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Add data analysis of marble dynamics

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Thomas Dehaeze
2019-05-14 14:11:31 +02:00
parent d413f4aaa3
commit 0ead56a3a1
13 changed files with 1043 additions and 40 deletions
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disturbance-sr-rz/index.html
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@@ -3,7 +3,7 @@
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<!-- 2019-05-13 lun. 13:24 -->
<!-- 2019-05-14 mar. 10:53 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Vibrations induced by the Slip-Ring and the Spindle</title>
@@ -258,22 +258,26 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#org371ff02">1. Experimental Setup</a></li>
<li><a href="#orgecddaf0">2. Data Analysis</a>
<li><a href="#orgae707b1">1. Experimental Setup</a></li>
<li><a href="#org78dded5">2. Data Analysis</a>
<ul>
<li><a href="#orgc4627de">2.1. Load data</a></li>
<li><a href="#orgb8a6467">2.2. Time domain plots</a></li>
<li><a href="#org27d9d17">2.3. Frequency Domain</a></li>
<li><a href="#org6127e14">2.4. Conclusion</a></li>
<li><a href="#orgaf48712">2.1. Load data</a></li>
<li><a href="#orga3184c9">2.2. Time domain plots</a></li>
<li><a href="#org66e3cd4">2.3. Frequency Domain</a></li>
<li><a href="#orgbe56ee4">2.4. Conclusion</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div id="outline-container-org371ff02" class="outline-2">
<h2 id="org371ff02"><span class="section-number-2">1</span> Experimental Setup</h2>
<div id="outline-container-orgae707b1" class="outline-2">
<h2 id="orgae707b1"><span class="section-number-2">1</span> Experimental Setup</h2>
<div class="outline-text-2" id="text-1">
</div>
<ol class="org-ol">
<li><a id="orgd4a8f25"></a>Setup<br />
<div class="outline-text-6" id="text-1-0-0-0-1">
<p>
All the stages are OFF.
</p>
@@ -306,7 +310,9 @@ A first order low pass filter is also added at the input of the voltage amplifie
<li>Identify the vibrations induced by the rotation of the Slip-Ring and Spindle</li>
</ul>
<p>
<b>Measurements</b>:
Three measurements are done:
</p>
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
@@ -377,23 +383,25 @@ Each of the measurement <code>mat</code> file contains one <code>data</code> arr
</table>
<p>
A movie showing the experiment is shown on figure <a href="#orgc3a4296">1</a>.
A movie showing the experiment is shown on figure <a href="#orgb52ab90">1</a>.
</p>
<div id="orgc3a4296" class="figure">
<div id="orgb52ab90" class="figure">
<p><img src="./img/VID_20190510_155655.gif" alt="VID_20190510_155655.gif" width="300px" />
</p>
<p><span class="figure-number">Figure 1: </span>Movie of the experiment, rotation speed is 6rpm</p>
</div>
</div>
</li>
</ol>
</div>
<div id="outline-container-orgecddaf0" class="outline-2">
<h2 id="orgecddaf0"><span class="section-number-2">2</span> Data Analysis</h2>
<div id="outline-container-org78dded5" class="outline-2">
<h2 id="org78dded5"><span class="section-number-2">2</span> Data Analysis</h2>
<div class="outline-text-2" id="text-2">
<p>
<a id="orgc194b61"></a>
<a id="org66307ff"></a>
</p>
<div class="note">
@@ -404,8 +412,8 @@ All the files (data and Matlab scripts) are accessible <a href="data/spindle_sli
</div>
</div>
<div id="outline-container-orgc4627de" class="outline-3">
<h3 id="orgc4627de"><span class="section-number-3">2.1</span> Load data</h3>
<div id="outline-container-orgaf48712" class="outline-3">
<h3 id="orgaf48712"><span class="section-number-3">2.1</span> Load data</h3>
<div class="outline-text-3" id="text-2-1">
<div class="org-src-container">
<pre class="src src-matlab">of = load<span class="org-rainbow-delimiters-depth-1">(</span><span class="org-string">'mat/data_024.mat', 'data'</span><span class="org-rainbow-delimiters-depth-1">)</span>; of = of.data;
@@ -416,8 +424,8 @@ sp = load<span class="org-rainbow-delimiters-depth-1">(</span><span class="org-s
</div>
</div>
<div id="outline-container-orgb8a6467" class="outline-3">
<h3 id="orgb8a6467"><span class="section-number-3">2.2</span> Time domain plots</h3>
<div id="outline-container-orga3184c9" class="outline-3">
<h3 id="orga3184c9"><span class="section-number-3">2.2</span> Time domain plots</h3>
<div class="outline-text-3" id="text-2-2">
<div class="org-src-container">
<pre class="src src-matlab"><span class="org-type">figure</span>;
@@ -433,7 +441,7 @@ legend<span class="org-rainbow-delimiters-depth-1">(</span><span class="org-stri
</div>
<div id="org914392c" class="figure">
<div id="orga435a98" class="figure">
<p><img src="figs/slip_ring_spindle_marble_time.png" alt="slip_ring_spindle_marble_time.png" />
</p>
<p><span class="figure-number">Figure 2: </span>Measurement of the geophone located on the marble - Time domain</p>
@@ -453,7 +461,7 @@ legend<span class="org-rainbow-delimiters-depth-1">(</span><span class="org-stri
</div>
<div id="orge34f253" class="figure">
<div id="org2bafcfa" class="figure">
<p><img src="figs/slip_ring_spindle_sample_time.png" alt="slip_ring_spindle_sample_time.png" />
</p>
<p><span class="figure-number">Figure 3: </span>Measurement of the geophone at the sample location - Time domain</p>
@@ -461,8 +469,8 @@ legend<span class="org-rainbow-delimiters-depth-1">(</span><span class="org-stri
</div>
</div>
<div id="outline-container-org27d9d17" class="outline-3">
<h3 id="org27d9d17"><span class="section-number-3">2.3</span> Frequency Domain</h3>
<div id="outline-container-org66e3cd4" class="outline-3">
<h3 id="org66e3cd4"><span class="section-number-3">2.3</span> Frequency Domain</h3>
<div class="outline-text-3" id="text-2-3">
<p>
We first compute some parameters that will be used for the PSD computation.
@@ -504,8 +512,8 @@ And for the geophone located at the sample position.
And we plot the ASD of the measured signals:
</p>
<ul class="org-ul">
<li>figure <a href="#orgf453585">4</a> for the geophone located on the marble</li>
<li>figure <a href="#org3aa1b94">5</a> for the geophone at the sample position</li>
<li>figure <a href="#org3fb6d61">4</a> for the geophone located on the marble</li>
<li>figure <a href="#orge9619ee">5</a> for the geophone at the sample position</li>
</ul>
<div class="org-src-container">
@@ -524,7 +532,7 @@ xlim<span class="org-rainbow-delimiters-depth-1">(</span><span class="org-rainbo
</div>
<div id="orgf453585" class="figure">
<div id="org3fb6d61" class="figure">
<p><img src="figs/sr_sp_psd_marble_compare.png" alt="sr_sp_psd_marble_compare.png" />
</p>
<p><span class="figure-number">Figure 4: </span>Comparison of the ASD of the measured voltage from the Geophone on the marble</p>
@@ -546,7 +554,7 @@ xlim<span class="org-rainbow-delimiters-depth-1">(</span><span class="org-rainbo
</div>
<div id="org3aa1b94" class="figure">
<div id="orge9619ee" class="figure">
<p><img src="figs/sr_sp_psd_sample_compare.png" alt="sr_sp_psd_sample_compare.png" />
</p>
<p><span class="figure-number">Figure 5: </span>Comparison of the ASD of the measured voltage from the Geophone at the sample location</p>
@@ -554,8 +562,8 @@ xlim<span class="org-rainbow-delimiters-depth-1">(</span><span class="org-rainbo
</div>
</div>
<div id="outline-container-org6127e14" class="outline-3">
<h3 id="org6127e14"><span class="section-number-3">2.4</span> Conclusion</h3>
<div id="outline-container-orgbe56ee4" class="outline-3">
<h3 id="orgbe56ee4"><span class="section-number-3">2.4</span> Conclusion</h3>
<div class="outline-text-3" id="text-2-4">
<div class="important">
<p>
@@ -574,7 +582,7 @@ There is a huge peak at 24Hz on the sample vibration but not on the granite vibr
</div>
<div id="postamble" class="status">
<p class="author">Author: Dehaeze Thomas</p>
<p class="date">Created: 2019-05-13 lun. 13:24</p>
<p class="date">Created: 2019-05-14 mar. 10:53</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>