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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
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<title>Designing complementary filters for sensor fusion using $\mathcal{H}_\infty$ synthesis - Tikz Figures</title>
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<meta name="author" content="Thomas Dehaeze" />
<meta name="generator" content="Org Mode" />
<link rel="stylesheet" type="text/css" href="https://research.tdehaeze.xyz/css/style.css"/>
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<script>
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svg: {
scale: 1,
fontCache: "global"
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tags: "ams",
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<script id="MathJax-script" async
src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js"></script>
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<body>
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<a accesskey="h" href="../index.html"> UP </a>
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<h1 class="title">Designing complementary filters for sensor fusion using \(\mathcal{H}_\infty\) synthesis - Tikz Figures</h1>
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<div id="table-of-contents" role="doc-toc">
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
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<li><a href="#org50515cc">1. Sensor Fusion - Overview</a></li>
<li><a href="#orgd0f42e8">2. Sensor Model</a></li>
<li><a href="#orgfe2b210">3. Sensor Model with calibration</a></li>
<li><a href="#org7a71f40">4. Sensor Fusion Architecture</a></li>
<li><a href="#org02ee7f2">5. Sensor Model with Uncertainty</a></li>
<li><a href="#org15f5c37">6. Sensor Model with Uncertainty - Simplified</a></li>
<li><a href="#org6703507">7. Sensor fusion architecture with sensor dynamics uncertainty</a></li>
<li><a href="#org730783f">8. Uncertainty set of the super sensor dynamics</a></li>
<li><a href="#org38b031f">9. Generalized plant used for \(\mathcal{H}_\infty\) synthesis of complementary filters</a></li>
<li><a href="#orgc8963ca">10. Architecture used for \(\mathcal{H}_\infty\) synthesis of complementary filters</a></li>
<li><a href="#orgc9e8b5c">11. LIGO Sensor Fusion Architecture</a></li>
<li><a href="#org852a702">12. Closed-Loop Complementary Filters</a></li>
<li><a href="#org21e2e13">13. Closed-Loop Fusion Architecture</a></li>
<li><a href="#org784c1ac">14. Feedback Loop Sensor Fusion Architecture</a></li>
<li><a href="#org08b29ce">15. Feedback Sensor Fusion - Generalized Plant</a></li>
<li><a href="#org9bf391e">16. Sensor Fusion - Sequential</a></li>
<li><a href="#orgc2ef6aa">17. Sensor Fusion - Parallel</a></li>
<li><a href="#org90ea882">18. Architecture for \(\mathcal{H}_\infty\) synthesis of three complementary filters</a></li>
<li><a href="#orge8d8968">19. Architecture for \(\mathcal{H}_\infty\) synthesis of three complementary filters</a></li>
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</ul>
</div>
</div>
<p>
Configuration file is accessible <a href="config.html">here</a>.
</p>
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<div id="outline-container-org50515cc" class="outline-2">
<h2 id="org50515cc"><span class="section-number-2">1.</span> Sensor Fusion - Overview</h2>
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<div class="outline-text-2" id="text-1">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate">\definecolor</span>{myblue}{rgb}{0, 0.447, 0.741}
<span class="org-font-latex-sedate">\definecolor</span>{myred}{rgb}{0.8500, 0.325, 0.098}
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[branch] (x) at (0, 0);
<span class="org-font-latex-sedate">\node</span>[block, above right=0.3 and 0.5 of x](sensor1){Sensor 1};
<span class="org-font-latex-sedate">\node</span>[block, below right=0.3 and 0.5 of x](sensor2){Sensor 2};
<span class="org-font-latex-sedate">\node</span>[block, right=1.1 of sensor1](H1){<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
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<span class="org-font-latex-sedate">\node</span>[addb, right=5.0 of x](add){};
<span class="org-font-latex-sedate">\draw</span>[] (<span class="org-font-latex-math">$(x)+(-0.7, 0)$</span>) node[above right]{<span class="org-font-latex-math">$x$</span>} -- (x.center);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (sensor1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (sensor2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor1.east) -- node[midway, above]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>} (H1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor2.east) -- node[midway, above]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>} (H2.west);
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<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2) -| (add.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add.east) -- ++(0.9, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(<span class="org-font-latex-math">$(H2.south-|x) + (0, -0.2)$</span>) (<span class="org-font-latex-math">$(H1.north-|add.east) + (0.2, 0.6)$</span>)}, fill=black!10!white, draw, inner sep=6pt] (supersensor) {};
<span class="org-font-latex-sedate">\node</span>[below] at (supersensor.north) {Super Sensor};
<span class="org-font-latex-sedate">\node</span>[fit={(sensor2.south west) (sensor1.north east)}, fill=black!20!white, draw, inner sep=6pt] (sensors) {};
<span class="org-font-latex-sedate">\node</span>[align=center] at (sensors.center) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Normalized</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Sensors</span>}};
<span class="org-font-latex-sedate">\node</span>[fit={(H2.south west) (H1.north-|add.east)}, fill=black!20!white, draw, inner sep=6pt] (filters) {};
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<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
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<p><img src="figs/sensor_fusion_overview.png" alt="sensor_fusion_overview.png" />
</p>
<p><span class="figure-number">Figure 1: </span>Schematic of a sensor fusion architecture using complementary filters</p>
</div>
</div>
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<div id="outline-container-orgd0f42e8" class="outline-2">
<h2 id="orgd0f42e8"><span class="section-number-2">2.</span> Sensor Model</h2>
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<div class="outline-text-2" id="text-2">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[addb](add1){};
<span class="org-font-latex-sedate">\node</span>[block, right=0.8 of add1](G1){<span class="org-font-latex-math">$G</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">i(s)$</span>};
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<span class="org-font-latex-sedate">\draw</span>[&lt;-] (add1.north) -- ++(0, 0.7)node[below right](n1){<span class="org-font-latex-math">$n</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">i$</span>};
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<span class="org-font-latex-sedate">\node</span>[fit={(add1.west |- G1.south) (n1.north -| G1.east)}, fill=black!20!white, draw, inner sep=3pt] (sensor1) {};
<span class="org-font-latex-sedate">\node</span>[below left] at (sensor1.north east) {Sensor};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
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<p><img src="figs/sensor_model.png" alt="sensor_model.png" />
</p>
<p><span class="figure-number">Figure 2: </span>Basic sensor model consisting of a noise input \(n_i\) and a linear time invariant transfer function \(G_i(s)\)</p>
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</div>
</div>
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<div id="outline-container-orgfe2b210" class="outline-2">
<h2 id="orgfe2b210"><span class="section-number-2">3.</span> Sensor Model with calibration</h2>
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<div class="outline-text-2" id="text-3">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[addb](add1){};
<span class="org-font-latex-sedate">\node</span>[block, right=0.8 of add1](G1){<span class="org-font-latex-math">$G</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">i(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=0.8 of G1](G1inv){<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{G}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">i</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">^</span></span><span class="org-font-latex-math">{-1}(s)$</span>};
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<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
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<p><img src="figs/sensor_model_calibrated.png" alt="sensor_model_calibrated.png" />
</p>
<p><span class="figure-number">Figure 3: </span>Normalized sensors using the inverse of an estimate \(\hat{G}_i(s)\) of the sensor dynamics</p>
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<h2 id="org7a71f40"><span class="section-number-2">4.</span> Sensor Fusion Architecture</h2>
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<div class="outline-text-2" id="text-4">
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<pre class="src src-latex"><span class="org-font-latex-sedate">\definecolor</span>{myblue}{rgb}{0, 0.447, 0.741}
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<span class="org-font-latex-sedate">\draw</span>[&lt;-] (add1.north) -- ++(0, 0.7)node[below right](n1){<span class="org-font-latex-math">$n</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add1.east) -- (G1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (G1.east) -- (G1inv.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\tilde</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (G1inv.east) -- (H1.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (add2.north) -- ++(0, 0.7)node[below right](n2){<span class="org-font-latex-math">$n</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add2.east) -- (G2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (G2.east) -- (G2inv.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\tilde</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (G2inv.east) -- (H2.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H1) -| (add.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2) -| (add.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add.east) -- ++(0.7, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(G2.south-|x) (n1.north-|add.east)}, fill=black!10!white, draw, inner sep=9pt] (supersensor) {};
<span class="org-font-latex-sedate">\node</span>[below left] at (supersensor.north east) {Super Sensor};
<span class="org-font-latex-sedate">\node</span>[fit={(add1.west |- G1inv.south) (n1.north -| G1inv.east)}, fill=myblue!20!white, draw, inner sep=6pt] (sensor1cal) {};
<span class="org-font-latex-sedate">\node</span>[below left, align=right] at (sensor1cal.north east) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Normalized</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> sensor</span>}};
<span class="org-font-latex-sedate">\node</span>[fit={(add1.west |- G1.south) (n1.north -| G1.east)}, fill=myblue!30!white, draw, inner sep=3pt] (sensor1) {};
<span class="org-font-latex-sedate">\node</span>[below left] at (sensor1.north east) {Sensor 1};
<span class="org-font-latex-sedate">\node</span>[fit={(add2.west |- G2inv.south) (n2.north -| G2inv.east)}, fill=myred!20!white, draw, inner sep=6pt] (sensor2cal) {};
<span class="org-font-latex-sedate">\node</span>[below left, align=right] at (sensor2cal.north east) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Normalized</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> sensor</span>}};
<span class="org-font-latex-sedate">\node</span>[fit={(add2.west |- G2.south) (n2.north -| G2.east)}, fill=myred!30!white, draw, inner sep=3pt] (sensor2) {};
<span class="org-font-latex-sedate">\node</span>[below left] at (sensor2.north east) {Sensor 2};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
Update title
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<div id="org895e3d1" class="figure">
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<p><img src="figs/fusion_super_sensor.png" alt="fusion_super_sensor.png" />
</p>
<p><span class="figure-number">Figure 4: </span>Sensor fusion architecture with two normalized sensors</p>
</div>
</div>
</div>
Update title
2021-09-02 10:04:16 +02:00
<div id="outline-container-org02ee7f2" class="outline-2">
<h2 id="org02ee7f2"><span class="section-number-2">5.</span> Sensor Model with Uncertainty</h2>
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<div class="outline-text-2" id="text-5">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[branch] (input) at (0,0) {};
<span class="org-font-latex-sedate">\node</span>[block, above right= 0.4 and 0.4 of input](W1){<span class="org-font-latex-math">$w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=0.4 of W1](delta1){<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\Delta</span></span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb] (addu) at (<span class="org-font-latex-math">$(delta1.east|-input) + (0.4, 0)$</span>) {};
<span class="org-font-latex-sedate">\node</span>[addb, right=0.4 of addu] (addn) {};
<span class="org-font-latex-sedate">\node</span>[block, right=0.4 of addn] (G1) {<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{G}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=0.8 of G1](G1inv){<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{G}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">^</span></span><span class="org-font-latex-math">{-1}(s)$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(input)+(-0.7, 0)$</span>) node[above right]{<span class="org-font-latex-math">$x$</span>} -- (addu);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (input.center) |- (W1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.east) -- (delta1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (delta1.east) -| (addu.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addu.east) -- (addn.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addn.east) -- (G1.west);
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (addn.north) -- ++(0, 0.7)node[below right](n1){<span class="org-font-latex-math">$n</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (G1.east) -- (G1inv.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\tilde</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (G1inv.east) -- ++(0.8, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(input.west |- G1inv.south) (delta1.north -| G1inv.east)}, fill=black!10!white, draw, inner sep=6pt] (sensor1cal) {};
<span class="org-font-latex-sedate">\node</span>[below left, align=right] at (sensor1cal.north east) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Normalized</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> sensor</span>}};
<span class="org-font-latex-sedate">\node</span>[fit={(input.west |- G1.south) (delta1.north -| G1.east)}, fill=black!20!white, draw, inner sep=3pt] (sensor1) {};
<span class="org-font-latex-sedate">\node</span>[below left] at (sensor1.north east) {Sensor};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
Update title
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<div id="orga300be8" class="figure">
Reworked tikz figures
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<p><img src="figs/sensor_model_uncertainty.png" alt="sensor_model_uncertainty.png" />
</p>
<p><span class="figure-number">Figure 5: </span>Sensor with multiplicative input uncertainty</p>
</div>
</div>
</div>
Update title
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<div id="outline-container-org15f5c37" class="outline-2">
<h2 id="org15f5c37"><span class="section-number-2">6.</span> Sensor Model with Uncertainty - Simplified</h2>
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<div class="outline-text-2" id="text-6">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[branch] (input) at (0,0) {};
<span class="org-font-latex-sedate">\node</span>[block, above right= 0.4 and 0.4 of input](W1){<span class="org-font-latex-math">$w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=0.4 of W1](delta1){<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\Delta</span></span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb] (addu) at (<span class="org-font-latex-math">$(delta1.east|-input) + (0.4, 0)$</span>) {};
<span class="org-font-latex-sedate">\node</span>[addb, right=0.4 of addu] (addn) {};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(input)+(-0.8, 0)$</span>) node[above right]{<span class="org-font-latex-math">$x$</span>} -- (addu);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (input.center) |- (W1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.east) -- (delta1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (delta1.east) -| (addu.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addu.east) -- (addn.west);
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (addn.north) -- ++(0, 0.6)node[below right](n1){<span class="org-font-latex-math">$n</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addn.east) -- ++(0.9, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(input.west |- addu.south) (<span class="org-font-latex-math">$(delta1.north -| addn.east) + (0.1, 0)$</span>)}, fill=black!10!white, draw, inner sep=6pt] (sensor1cal) {};
<span class="org-font-latex-sedate">\node</span>[below left, align=right] at (sensor1cal.north east) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Normalized</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> sensor</span>}};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
Update title
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<div id="org7ccc258" class="figure">
Reworked tikz figures
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<p><img src="figs/sensor_model_uncertainty_simplified.png" alt="sensor_model_uncertainty_simplified.png" />
</p>
<p><span class="figure-number">Figure 6: </span>Simplified sensor model</p>
</div>
</div>
</div>
Update title
2021-09-02 10:04:16 +02:00
<div id="outline-container-org6703507" class="outline-2">
<h2 id="org6703507"><span class="section-number-2">7.</span> Sensor fusion architecture with sensor dynamics uncertainty</h2>
Reworked tikz figures
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<div class="outline-text-2" id="text-7">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate">\definecolor</span>{myblue}{rgb}{0, 0.447, 0.741}
<span class="org-font-latex-sedate">\definecolor</span>{myred}{rgb}{0.8500, 0.325, 0.098}
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[branch] (x) at (0, 0);
<span class="org-font-latex-sedate">\node</span>[branch, above right=1.0 and 0.3 of x] (input1) {};
<span class="org-font-latex-sedate">\node</span>[branch, below right=1.0 and 0.3 of x] (input2) {};
<span class="org-font-latex-sedate">\node</span>[block, above right= 0.4 and 0.3 of input1](W1){<span class="org-font-latex-math">$w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, above right= 0.4 and 0.3 of input2](W2){<span class="org-font-latex-math">$w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=0.4 of W1](delta1){<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\Delta</span></span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=0.4 of W2](delta2){<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\Delta</span></span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb] (addu1) at (<span class="org-font-latex-math">$(delta1.east|-input1) + (0.4, 0)$</span>) {};
<span class="org-font-latex-sedate">\node</span>[addb] (addu2) at (<span class="org-font-latex-math">$(delta2.east|-input2) + (0.4, 0)$</span>) {};
<span class="org-font-latex-sedate">\node</span>[addb, right=0.4 of addu1] (addn1) {};
<span class="org-font-latex-sedate">\node</span>[addb, right=0.4 of addu2] (addn2) {};
<span class="org-font-latex-sedate">\node</span>[block, right=0.9 of addn1](H1){<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=0.9 of addn2](H2){<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb, right=7 of x](add){};
<span class="org-font-latex-sedate">\draw</span>[] (<span class="org-font-latex-math">$(x)+(-0.7, 0)$</span>) node[above right]{<span class="org-font-latex-math">$x$</span>} -- (x.center);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (addu1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (addu2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (input1.center) |- (W1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.east) -- (delta1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (delta1.east) -| (addu1.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addu1.east) -- (addn1.west);
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (addn1.north) -- ++(0, 0.6)node[below right](n1){<span class="org-font-latex-math">$n</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (input2.center) |- (W2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2.east) -- (delta2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (delta2.east) -| (addu2.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addu2.east) -- (addn2.west);
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (addn2.north) -- ++(0, 0.6)node[below right](n2){<span class="org-font-latex-math">$n</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addn1.east) -- (H1.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addn2.east) -- (H2.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H1) -| (add.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2) -| (add.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add.east) -- ++(0.7, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(addn2.south-|x) (delta1.north-|add.east)}, fill=black!10!white, draw, inner sep=9pt] (supersensor) {};
<span class="org-font-latex-sedate">\node</span>[below left] at (supersensor.north east) {Super Sensor};
<span class="org-font-latex-sedate">\node</span>[fit={(input1.west |- addu1.south) (<span class="org-font-latex-math">$(delta1.north -| addn1.east) + (0.1, 0.0)$</span>)}, fill=myblue!20!white, draw, inner sep=6pt] (sensor1cal) {};
<span class="org-font-latex-sedate">\node</span>[below left, align=right] at (sensor1cal.north east) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Normalized</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> sensor 1</span>}};
<span class="org-font-latex-sedate">\node</span>[fit={(input2.west |- addu2.south) (<span class="org-font-latex-math">$(delta2.north -| addn1.east) + (0.1, 0.0)$</span>)}, fill=myred!20!white, draw, inner sep=6pt] (sensor2cal) {};
<span class="org-font-latex-sedate">\node</span>[below left, align=right] at (sensor2cal.north east) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Normalized</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> sensor 2</span>}};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
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<div id="orgc80e315" class="figure">
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<p><img src="figs/sensor_fusion_dynamic_uncertainty.png" alt="sensor_fusion_dynamic_uncertainty.png" />
</p>
<p><span class="figure-number">Figure 7: </span>Sensor fusion architecture with sensor dynamics uncertainty</p>
</div>
</div>
</div>
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<div id="outline-container-org730783f" class="outline-2">
<h2 id="org730783f"><span class="section-number-2">8.</span> Uncertainty set of the super sensor dynamics</h2>
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<div class="outline-text-2" id="text-8">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate">\definecolor</span>{myblue}{rgb}{0, 0.447, 0.741}
<span class="org-font-latex-sedate">\definecolor</span>{myred}{rgb}{0.8500, 0.325, 0.098}
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[shift={(4, 0)}]
<span class="org-comment">% Uncertainty Circle</span>
<span class="org-font-latex-sedate">\node</span>[draw, circle, fill=black!20!white, minimum size=3.6cm] (c) at (0, 0) {};
<span class="org-font-latex-sedate">\path</span>[draw, fill=myblue!20!white] (0, 0) circle [radius=1.0];
<span class="org-font-latex-sedate">\path</span>[draw, fill=myred!20!white] (135:1.0) circle [radius=0.8];
<span class="org-font-latex-sedate">\path</span>[draw, dashed] (0, 0) circle [radius=1.0];
<span class="org-comment">% Center of Circle</span>
<span class="org-font-latex-sedate">\node</span>[below] at (0, 0){<span class="org-font-latex-math">$1$</span>};
<span class="org-font-latex-sedate">\draw</span>[&lt;-&gt;] (0, 0) node[branch]{} -- coordinate[midway](r1) ++(45:1.0);
<span class="org-font-latex-sedate">\draw</span>[&lt;-&gt;] (135:1.0)node[branch]{} -- coordinate[midway](r2) ++(135:0.8);
<span class="org-font-latex-sedate">\node</span>[] (l1) at (2, 1.5) {<span class="org-font-latex-math">$|w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1 H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1|$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;, out=-90, in=0] (l1.south) to (r1);
<span class="org-font-latex-sedate">\node</span>[] (l2) at (-3.2, 1.2) {<span class="org-font-latex-math">$|w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2 H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2|$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;, out=0, in=-180] (l2.east) to (r2);
<span class="org-font-latex-sedate">\draw</span>[&lt;-&gt;] (0, 0) -- coordinate[near end](r3) ++(200:1.8);
<span class="org-font-latex-sedate">\node</span>[] (l3) at (-2.5, -1.5) {<span class="org-font-latex-math">$|w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1 H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1| + |w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2 H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2|$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;, out=90, in=-90] (l3.north) to (r3);
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-comment">% Real and Imaginary Axis</span>
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (-0.5, 0) -- (7.0, 0) node[below left]{Re};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (0, -1.7) -- (0, 1.7) node[below left]{Im};
<span class="org-font-latex-sedate">\draw</span>[dashed] (0, 0) -- (tangent cs:node=c,point={(0, 0)},solution=2);
<span class="org-font-latex-sedate">\draw</span>[dashed] (1, 0) arc (0:28:1) node[midway, right]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\Delta</span></span><span class="org-font-latex-math"> </span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\phi</span></span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\text</span></span><span class="org-font-latex-math">{max}$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
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<div id="org6687171" class="figure">
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<p><img src="figs/uncertainty_set_super_sensor.png" alt="uncertainty_set_super_sensor.png" />
</p>
<p><span class="figure-number">Figure 8: </span>Uncertainty region of the super sensor dynamics in the complex plane (grey circle). The contribution of both sensors 1 and 2 to the total uncertainty are represented respectively by a blue circle and a red circle. The frequency dependency \(\omega\) is here omitted.</p>
</div>
</div>
</div>
Update title
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<div id="outline-container-org38b031f" class="outline-2">
<h2 id="org38b031f"><span class="section-number-2">9.</span> Generalized plant used for \(\mathcal{H}_\infty\) synthesis of complementary filters</h2>
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<div class="outline-text-2" id="text-9">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[block={4.0cm}{3.0cm}, fill=black!10!white] (P) {};
<span class="org-font-latex-sedate">\node</span>[above] at (P.north) {<span class="org-font-latex-math">$P(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, below=0.2 of P, opacity=0] (H2) {<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\coordinate</span>[] (inputw) at (<span class="org-font-latex-math">$(P.south west)!0.75!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (inputu) at (<span class="org-font-latex-math">$(P.south west)!0.35!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output1) at (<span class="org-font-latex-math">$(P.south east)!0.75!(P.north east) + ( 0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output2) at (<span class="org-font-latex-math">$(P.south east)!0.35!(P.north east) + ( 0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (outputv) at (<span class="org-font-latex-math">$(P.south east)!0.1!(P.north east) + ( 0.7, 0)$</span>);
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output1] (W1){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output2] (W2){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}, left=of W1] (sub) {};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputw) node[above right]{<span class="org-font-latex-math">$w$</span>} -- (sub.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputu) node[above right]{<span class="org-font-latex-math">$u$</span>} -- (W2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputu-|sub) node[branch]{} -- (sub.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sub.east) -- (W1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(sub.west)+(-0.6, 0)$</span>) node[branch]{} |- (outputv) node[above left]{<span class="org-font-latex-math">$v$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.east) -- (output1)node[above left]{<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2.east) -- (output2)node[above left]{<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
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<div id="orge10d26f" class="figure">
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<p><img src="figs/h_infinity_robust_fusion_plant.png" alt="h_infinity_robust_fusion_plant.png" />
</p>
<p><span class="figure-number">Figure 9: </span>Generalized plant used for \(\mathcal{H}_\infty\) synthesis of complementary filters</p>
</div>
</div>
</div>
Update title
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<div id="outline-container-orgc8963ca" class="outline-2">
<h2 id="orgc8963ca"><span class="section-number-2">10.</span> Architecture used for \(\mathcal{H}_\infty\) synthesis of complementary filters</h2>
Reworked tikz figures
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<div class="outline-text-2" id="text-10">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[block={4.0cm}{3.0cm}, fill=black!10!white] (P) {};
<span class="org-font-latex-sedate">\node</span>[above] at (P.north) {<span class="org-font-latex-math">$P(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, below=0.2 of P] (H2) {<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\coordinate</span>[] (inputw) at (<span class="org-font-latex-math">$(P.south west)!0.75!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (inputu) at (<span class="org-font-latex-math">$(P.south west)!0.35!(P.north west) + (-0.4, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output1) at (<span class="org-font-latex-math">$(P.south east)!0.75!(P.north east) + ( 0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output2) at (<span class="org-font-latex-math">$(P.south east)!0.35!(P.north east) + ( 0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (outputv) at (<span class="org-font-latex-math">$(P.south east)!0.1!(P.north east) + ( 0.4, 0)$</span>);
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output1] (W1){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output2] (W2){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}, left=of W1] (sub) {};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputw) node[above right]{<span class="org-font-latex-math">$w$</span>} -- (sub.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputu-|sub) node[branch]{} -- (sub.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sub.east) -- (W1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(sub.west)+(-0.6, 0)$</span>) node[branch]{} |- (outputv) |- (H2.east);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2.west) -| (inputu) -- (W2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.east) -- (output1)node[above left]{<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2.east) -- (output2)node[above left]{<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
Update title
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<div id="org0646c95" class="figure">
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<p><img src="figs/h_infinity_robust_fusion_fb.png" alt="h_infinity_robust_fusion_fb.png" />
</p>
<p><span class="figure-number">Figure 10: </span>Generalized plant with the synthesized filter</p>
</div>
</div>
</div>
Update title
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<div id="outline-container-orgc9e8b5c" class="outline-2">
<h2 id="orgc9e8b5c"><span class="section-number-2">11.</span> LIGO Sensor Fusion Architecture</h2>
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<div class="outline-text-2" id="text-11">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate">\definecolor</span>{myblue}{rgb}{0, 0.447, 0.741}
<span class="org-font-latex-sedate">\definecolor</span>{myred}{rgb}{0.8500, 0.325, 0.098}
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[block, align=center] (position) at (0, 2.2) {Position<span class="org-font-latex-warning">\\</span>Sensor};
<span class="org-font-latex-sedate">\node</span>[block, align=center] (seismometer) at (0, 1.0) {Seismometer};
<span class="org-font-latex-sedate">\node</span>[block, align=center] (geophone) at (0,-0.6) {Geophone};
<span class="org-font-latex-sedate">\node</span>[branch, left=0.4 of seismometer] (x);
<span class="org-font-latex-sedate">\node</span>[block, right=1.1 of seismometer](H1){<span class="org-font-latex-math">$L</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block](H2) at (H1|-geophone) {<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb] (add) at (4, 0){};
<span class="org-font-latex-sedate">\node</span>[block, right=1.1 of add](H2p) {<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block] (H1p) at (H2p|-position) {<span class="org-font-latex-math">$L</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb] (addp) at (7, 1.0){};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(x)+(-1.0, 0)$</span>) -- (seismometer.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (position.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (geophone.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (position.east) -- (H1p.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (seismometer.east) -- (H1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (geophone.east) -- (H2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H1) -| (add.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2) -| (add.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add.east) -- (H2p.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H1p) -| (addp.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2p) -| (addp.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addp.east) -- ++(1.0, 0);
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(x.west|-geophone.south) (position.north-|addp.east)}, fill=black!10!white, draw, inner sep=6pt] (supersensor) {};
<span class="org-font-latex-sedate">\node</span>[below] at (supersensor.north) {Super Sensor};
<span class="org-font-latex-sedate">\node</span>[fit={(x.west|-seismometer.north) (add.east|-geophone.south)}, fill=black!20!white, draw, inner sep=3pt] (superinertialsensor) {};
<span class="org-font-latex-sedate">\node</span>[] at (superinertialsensor.center) {"Inertial" Super Sensor};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
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<p><img src="figs/ligo_super_sensor_architecture.png" alt="ligo_super_sensor_architecture.png" />
</p>
<p><span class="figure-number">Figure 11: </span>Simplified block diagram of the sensor blending strategy for the first stage at the LIGO</p>
</div>
</div>
</div>
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<div id="outline-container-org852a702" class="outline-2">
<h2 id="org852a702"><span class="section-number-2">12.</span> Closed-Loop Complementary Filters</h2>
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<div class="outline-text-2" id="text-12">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}] (addfb) at (0, 0){};
<span class="org-font-latex-sedate">\node</span>[block, right=1 of addfb] (L){<span class="org-font-latex-math">$L(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{}, right=1 of L] (adddy){};
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (addfb.west) -- ++(-1, 0) node[above right]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addfb.east) -- (L.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (L.east) -- (adddy.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (adddy.east) -- ++(1.4, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(adddy.east) + (0.5, 0)$</span>) node[branch]{} -- ++(0, -0.8) coordinate(botc) -| (addfb.south);
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (adddy.north) -- ++(0, 1) node[below right]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(L.north-|addfb.west) (botc)}, fill=black!10!white, draw, inner sep=6pt] (supersensor) {};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
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<p><img src="figs/feedback_sensor_fusion.png" alt="feedback_sensor_fusion.png" />
</p>
<p><span class="figure-number">Figure 12: </span>&ldquo;Closed-Loop&rdquo; complementary filters</p>
</div>
</div>
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<div id="outline-container-org21e2e13" class="outline-2">
<h2 id="org21e2e13"><span class="section-number-2">13.</span> Closed-Loop Fusion Architecture</h2>
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<div class="outline-text-2" id="text-13">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}] (addfb) at (0, 0){};
<span class="org-font-latex-sedate">\node</span>[block, right=1 of addfb] (L){<span class="org-font-latex-math">$L(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{}, right=1 of L] (adddy){};
<span class="org-font-latex-sedate">\node</span>[block, left=1.2 of addfb] (sensor2){Sensor 2};
<span class="org-font-latex-sedate">\node</span>[block, above=0.4 of sensor2] (sensor1){Sensor 1};
<span class="org-font-latex-sedate">\node</span>[branch, left=0.6 of sensor2] (x){};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addfb.east) -- (L.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (L.east) -- (adddy.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (adddy.east) -- ++(1.4, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(adddy.east) + (0.5, 0)$</span>) node[branch]{} -- ++(0, -0.8) coordinate(botc) -| (addfb.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (sensor1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(x)-(0.8,0)$</span>) node[above right]{<span class="org-font-latex-math">$x$</span>} -- (sensor2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor2.east)node[above right=0 and 0.25]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>} -- (addfb.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor1.east)node[above right=0 and 0.25]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>} -| (adddy.north);
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(x|-sensor1.north) (botc)}, fill=black!10!white, draw, inner sep=9pt] (supersensor) {};
<span class="org-font-latex-sedate">\node</span>[fit={(sensor1.north-|addfb.west) (botc)}, fill=black!20!white, draw, inner sep=6pt] (feedbackfilter) {};
<span class="org-font-latex-sedate">\node</span>[fit={(sensor2.west|-botc) (sensor1.north east)}, fill=black!20!white, draw, inner sep=6pt] (sensors) {};
<span class="org-font-latex-sedate">\node</span>[above, align=center] at (sensors.south) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> Normalized</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> sensors</span>}};
<span class="org-font-latex-sedate">\node</span>[below, align=center] at (feedbackfilter.north) {{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> "Closed-Loop"</span>}<span class="org-font-latex-warning">\\</span>[-0.5em]{<span class="org-font-latex-sedate"><span class="org-keyword">\tiny</span></span><span class="org-type"> complementary filters</span>}};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
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<p><img src="figs/feedback_sensor_fusion_arch.png" alt="feedback_sensor_fusion_arch.png" />
</p>
<p><span class="figure-number">Figure 13: </span>Classical feedback architecture used for sensor fusion</p>
</div>
</div>
</div>
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<div id="outline-container-org784c1ac" class="outline-2">
<h2 id="org784c1ac"><span class="section-number-2">14.</span> Feedback Loop Sensor Fusion Architecture</h2>
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<div class="outline-text-2" id="text-14">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[block] (W2) at (0,0) {<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}, right=0.8 of W2] (addfb){};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{}, right=4.5 of W2] (adddy){};
<span class="org-font-latex-sedate">\node</span>[block, above=0.8 of adddy] (W1){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (W2.west) -- ++(-0.8, 0) node[above right]{<span class="org-font-latex-math">$w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2.east) -- (addfb.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\tilde</span></span><span class="org-font-latex-math">{w}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addfb.east) -- ++(1, 0) node[above left]{<span class="org-font-latex-math">$v$</span>};
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (adddy.west) -- ++(-1, 0) node[above right]{<span class="org-font-latex-math">$u$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (adddy.east) -- ++(1.4, 0) node[above left]{<span class="org-font-latex-math">$z$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.south) -- (adddy.north) node[above right]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\tilde</span></span><span class="org-font-latex-math">{w}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[&lt;-] (W1.north) -- ++(0, 0.8) node[below right]{<span class="org-font-latex-math">$w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(adddy.east) + (0.5, 0)$</span>) node[branch]{} -- ++(0, -0.8) -| (addfb.south);
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
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<p><img src="figs/feedback_synthesis_architecture.png" alt="feedback_synthesis_architecture.png" />
</p>
<p><span class="figure-number">Figure 14: </span>Feedback architecture with included weights</p>
</div>
</div>
</div>
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<div id="outline-container-org08b29ce" class="outline-2">
<h2 id="org08b29ce"><span class="section-number-2">15.</span> Feedback Sensor Fusion - Generalized Plant</h2>
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<div class="outline-text-2" id="text-15">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[block={4.5cm}{3.0cm}, fill=black!10!white] (P) {};
<span class="org-font-latex-sedate">\node</span>[above] at (P.north) {<span class="org-font-latex-math">$P</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">L(s)$</span>};
<span class="org-font-latex-sedate">\coordinate</span>[] (inputw1) at (<span class="org-font-latex-math">$(P.south west)!0.75!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (inputw2) at (<span class="org-font-latex-math">$(P.south west)!0.40!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (inputu) at (<span class="org-font-latex-math">$(P.south west)!0.15!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (outputz) at (<span class="org-font-latex-math">$(P.south east)!0.75!(P.north east) + ( 0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (outputv) at (<span class="org-font-latex-math">$(P.south east)!0.40!(P.north east) + ( 0.7, 0)$</span>);
<span class="org-font-latex-sedate">\node</span>[block, right=1.2 of inputw2] (W2){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=1.2 of inputw1] (W1){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{}, right=0.8 of W1] (add) {};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{-}{}{}, right=1.8 of W2] (sub) {};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputw2) node[above right]{<span class="org-font-latex-math">$w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>} -- (W2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputw1) node[above right]{<span class="org-font-latex-math">$w</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>} -- (W1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputu) node[above right]{<span class="org-font-latex-math">$u$</span>} -| (add.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2.east) -- (sub.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.east) -- (add.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add.east) -- (outputz)node[above left]{<span class="org-font-latex-math">$z$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sub.east) -- (outputv)node[above left]{<span class="org-font-latex-math">$v$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add-|sub) node[branch]{} -- (sub.north);
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
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<div id="orgc836b02" class="figure">
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<p><img src="figs/feedback_synthesis_architecture_generalized_plant.png" alt="feedback_synthesis_architecture_generalized_plant.png" />
</p>
<p><span class="figure-number">Figure 15: </span>Generalized plant used for the \(\mathcal{H}_\infty\) synthesis of &ldquo;closed-loop&rdquo; complementary filters</p>
</div>
</div>
</div>
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<div id="outline-container-org9bf391e" class="outline-2">
<h2 id="org9bf391e"><span class="section-number-2">16.</span> Sensor Fusion - Sequential</h2>
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<div class="outline-text-2" id="text-16">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[branch] (x) at (0, 0);
<span class="org-font-latex-sedate">\node</span>[block, right=0.4 of x] (sensor2) {Sensor 2};
<span class="org-font-latex-sedate">\node</span>[block, above=0.4 of sensor2] (sensor1) {Sensor 1};
<span class="org-font-latex-sedate">\node</span>[block, below=0.4 of sensor2] (sensor3) {Sensor 3};
<span class="org-font-latex-sedate">\node</span>[block, right=1.1 of sensor1](H1){<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=1.1 of sensor2](H2){<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb] (add) at (<span class="org-font-latex-math">$0.5*(H1.east)+0.5*(H2.east)+(0.6, 0)$</span>){};
<span class="org-font-latex-sedate">\node</span>[block, right=0.8 of add](H1p) {<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">^</span></span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\prime</span></span><span class="org-font-latex-math">(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block] (H2p) at (H1p|-sensor3) {<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">^</span></span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\prime</span></span><span class="org-font-latex-math">(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb] (addp) at (<span class="org-font-latex-math">$0.5*(H1p.east)+0.5*(H2p.east)+(0.6, 0)$</span>){};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(x)+(-0.8, 0)$</span>) node[above right]{<span class="org-font-latex-math">$x$</span>} -- (sensor2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (sensor1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (sensor3.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor1.east) -- (H1.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor2.east) -- (H2.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor3.east) -- (H2p.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H1) -| (add.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2) -| (add.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add.east) -- (H1p.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">{12}$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H1p) -| (addp.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2p) -| (addp.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (addp.east) -- ++(0.8, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(x.west|-sensor3.south) (sensor1.north-|addp.east)}, fill=black!10!white, draw, inner sep=6pt] (supersensor) {};
<span class="org-font-latex-sedate">\node</span>[fit={(x.west|-sensor1.north) (add.east|-sensor2.south)}, fill=black!20!white, draw, inner sep=3pt] (superinertialsensor) {};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
Update title
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<div id="org187b8ba" class="figure">
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<p><img src="figs/sensor_fusion_three_sequential.png" alt="sensor_fusion_three_sequential.png" />
</p>
<p><span class="figure-number">Figure 16: </span>Sequential fusion</p>
</div>
</div>
</div>
Update title
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<div id="outline-container-orgc2ef6aa" class="outline-2">
<h2 id="orgc2ef6aa"><span class="section-number-2">17.</span> Sensor Fusion - Parallel</h2>
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<div class="outline-text-2" id="text-17">
<div class="org-src-container">
<pre class="src src-latex"><span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[branch] (x) at (0, 0);
<span class="org-font-latex-sedate">\node</span>[block, right=0.4 of x] (sensor2) {Sensor 2};
<span class="org-font-latex-sedate">\node</span>[block, above=0.3 of sensor2] (sensor1) {Sensor 1};
<span class="org-font-latex-sedate">\node</span>[block, below=0.3 of sensor2] (sensor3) {Sensor 3};
<span class="org-font-latex-sedate">\node</span>[block, right=1.1 of sensor1](H1){<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=1.1 of sensor2](H2){<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, right=1.1 of sensor3](H3){<span class="org-font-latex-math">$H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb, right=0.6 of H2](add){};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (sensor1.west);
<span class="org-font-latex-sedate">\draw</span>[] (<span class="org-font-latex-math">$(x)+(-0.8, 0)$</span>) node[above right]{<span class="org-font-latex-math">$x$</span>} -- (sensor2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (x.center) |- (sensor3.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor1.east) -- (H1.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor2.east) -- (H2.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sensor3.east) -- (H3.west) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H1) -| (add.north);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H2) -- (add.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (H3) -| (add.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (add.east) -- ++(0.8, 0) node[above left]{<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-font-latex-math">\hat</span></span><span class="org-font-latex-math">{x}$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">scope</span>}[on background layer]
<span class="org-font-latex-sedate">\node</span>[fit={(H3.south-|x) (H1.north-|add.east)}, fill=black!10!white, draw, inner sep=6pt] (supersensor) {};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">scope</span>}
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
Update title
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<div id="org72ff7bd" class="figure">
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<p><img src="figs/sensor_fusion_three_parallel.png" alt="sensor_fusion_three_parallel.png" />
</p>
<p><span class="figure-number">Figure 17: </span>Parallel fusion</p>
</div>
</div>
</div>
Update title
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<div id="outline-container-org90ea882" class="outline-2">
<h2 id="org90ea882"><span class="section-number-2">18.</span> Architecture for \(\mathcal{H}_\infty\) synthesis of three complementary filters</h2>
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<div class="outline-text-2" id="text-18">
<div class="org-src-container">
<pre class="src src-latex"> <span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[block={5.0cm}{4.5cm}, fill=black!10!white] (P) {};
<span class="org-font-latex-sedate">\node</span>[above] at (P.north) {<span class="org-font-latex-math">$P</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3(s)$</span>};
<span class="org-font-latex-sedate">\coordinate</span>[] (inputw) at (<span class="org-font-latex-math">$(P.south west)!0.8!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (inputu) at (<span class="org-font-latex-math">$(P.south west)!0.4!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output1) at (<span class="org-font-latex-math">$(P.south east)!0.8!(P.north east) + (0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output2) at (<span class="org-font-latex-math">$(P.south east)!0.55!(P.north east) + (0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output3) at (<span class="org-font-latex-math">$(P.south east)!0.3!(P.north east) + (0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (outputv) at (<span class="org-font-latex-math">$(P.south east)!0.1!(P.north east) + (0.7, 0)$</span>);
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output1] (W1){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output2] (W2){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output3] (W3){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}, left=of W1] (sub1) {};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}, left=of sub1] (sub2) {};
<span class="org-font-latex-sedate">\node</span>[block, below=0.3 of P, opacity=0] (H) {<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-keyword"><span class="org-font-latex-math">\begin</span></span></span><span class="org-font-latex-math">{</span><span class="org-function-name"><span class="org-font-latex-math">bmatrix</span></span><span class="org-font-latex-math">}H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s) \\ H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3(s)</span><span class="org-font-latex-sedate"><span class="org-keyword"><span class="org-font-latex-math">\end</span></span></span><span class="org-font-latex-math">{</span><span class="org-function-name"><span class="org-font-latex-math">bmatrix</span></span><span class="org-font-latex-math">}$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputw) node[above right](w){<span class="org-font-latex-math">$w$</span>} -- (sub2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W3-|sub1)node[branch]{} -- (sub1.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2-|sub2)node[branch]{} -- (sub2.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(sub2.west)+(-0.5, 0)$</span>) node[branch]{} |- (outputv);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputu|-W2) -- (W2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputu|-W3) -- (W3.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sub2.east) -- (sub1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sub1.east) -- (W1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.east) -- (output1)node[above left](z){<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2.east) -- (output2)node[above left]{<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W3.east) -- (output3)node[above left]{<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3$</span>};
<span class="org-font-latex-sedate">\node</span>[above] at (W2-|w){<span class="org-font-latex-math">$u</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\node</span>[above] at (W3-|w){<span class="org-font-latex-math">$u</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\node</span>[above] at (outputv-|z){<span class="org-font-latex-math">$v$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
Update title
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<div id="org7b7c9c7" class="figure">
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<p><img src="figs/comp_filter_three_hinf_gen_plant.png" alt="comp_filter_three_hinf_gen_plant.png" />
</p>
<p><span class="figure-number">Figure 18: </span>Generalized plant for the \(\mathcal{H}_\infty\) synthesis of three complementary filters</p>
</div>
</div>
</div>
Update title
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<div id="outline-container-orge8d8968" class="outline-2">
<h2 id="orge8d8968"><span class="section-number-2">19.</span> Architecture for \(\mathcal{H}_\infty\) synthesis of three complementary filters</h2>
Reworked tikz figures
2021-09-01 10:16:26 +02:00
<div class="outline-text-2" id="text-19">
<div class="org-src-container">
<pre class="src src-latex"> <span class="org-font-latex-sedate"><span class="org-keyword">\begin</span></span>{<span class="org-function-name">tikzpicture</span>}
<span class="org-font-latex-sedate">\node</span>[block={5.0cm}{4.5cm}, fill=black!10!white] (P) {};
<span class="org-font-latex-sedate">\node</span>[above] at (P.north) {<span class="org-font-latex-math">$P</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3(s)$</span>};
<span class="org-font-latex-sedate">\coordinate</span>[] (inputw) at (<span class="org-font-latex-math">$(P.south west)!0.8!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (inputu) at (<span class="org-font-latex-math">$(P.south west)!0.4!(P.north west) + (-0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output1) at (<span class="org-font-latex-math">$(P.south east)!0.8!(P.north east) + (0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output2) at (<span class="org-font-latex-math">$(P.south east)!0.55!(P.north east) + (0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (output3) at (<span class="org-font-latex-math">$(P.south east)!0.3!(P.north east) + (0.7, 0)$</span>);
<span class="org-font-latex-sedate">\coordinate</span>[] (outputv) at (<span class="org-font-latex-math">$(P.south east)!0.1!(P.north east) + (0.7, 0)$</span>);
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output1] (W1){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output2] (W2){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[block, left=1.4 of output3] (W3){<span class="org-font-latex-math">$W</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3(s)$</span>};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}, left=of W1] (sub1) {};
<span class="org-font-latex-sedate">\node</span>[addb={+}{}{}{}{-}, left=of sub1] (sub2) {};
<span class="org-font-latex-sedate">\node</span>[block, below=0.3 of P] (H) {<span class="org-font-latex-math">$</span><span class="org-font-latex-sedate"><span class="org-keyword"><span class="org-font-latex-math">\begin</span></span></span><span class="org-font-latex-math">{</span><span class="org-function-name"><span class="org-font-latex-math">bmatrix</span></span><span class="org-font-latex-math">}H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2(s) \\ H</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3(s)</span><span class="org-font-latex-sedate"><span class="org-keyword"><span class="org-font-latex-math">\end</span></span></span><span class="org-font-latex-math">{</span><span class="org-function-name"><span class="org-font-latex-math">bmatrix</span></span><span class="org-font-latex-math">}$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (inputw) node[above right](w){<span class="org-font-latex-math">$w$</span>} -- (sub2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W3-|sub1)node[branch]{} -- (sub1.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2-|sub2)node[branch]{} -- (sub2.south);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(sub2.west)+(-0.5, 0)$</span>) node[branch]{} |- (outputv) |- (H.east);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(H.south west)!0.7!(H.north west)$</span>) -| (inputu|-W2) -- (W2.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (<span class="org-font-latex-math">$(H.south west)!0.3!(H.north west)$</span>) -| (<span class="org-font-latex-math">$(inputu|-W3)+(0.4, 0)$</span>) -- (W3.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sub2.east) -- (sub1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (sub1.east) -- (W1.west);
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W1.east) -- (output1)node[above left](z){<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W2.east) -- (output2)node[above left]{<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\draw</span>[-&gt;] (W3.east) -- (output3)node[above left]{<span class="org-font-latex-math">$z</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">3$</span>};
<span class="org-font-latex-sedate">\node</span>[above] at (W2-|w){<span class="org-font-latex-math">$u</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">1$</span>};
<span class="org-font-latex-sedate">\node</span>[above] at (W3-|w){<span class="org-font-latex-math">$u</span><span class="org-font-latex-math"><span class="org-font-latex-script-char">_</span></span><span class="org-font-latex-math">2$</span>};
<span class="org-font-latex-sedate">\node</span>[above] at (outputv-|z){<span class="org-font-latex-math">$v$</span>};
<span class="org-font-latex-sedate"><span class="org-keyword">\end</span></span>{<span class="org-function-name">tikzpicture</span>}
</pre>
</div>
Update title
2021-09-02 10:04:16 +02:00
<div id="org4f6f8fa" class="figure">
Reworked tikz figures
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<p><img src="figs/comp_filter_three_hinf_fb.png" alt="comp_filter_three_hinf_fb.png" />
</p>
<p><span class="figure-number">Figure 19: </span>Generalized plant with the synthesized filter for the \(\mathcal{H}_\infty\) synthesis of three complementary filters</p>
</div>
</div>
</div>
</div>
<div id="postamble" class="status">
<p class="author">Author: Thomas Dehaeze</p>
Update title
2021-09-02 10:04:16 +02:00
<p class="date">Created: 2021-09-02 jeu. 10:03</p>
Reworked tikz figures
2021-09-01 10:16:26 +02:00
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