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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>
<!-- 2022-06-02 Thu 19:01 -->
<!-- 2022-06-02 Thu 19:09 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<title>Research Pages</title>
<meta name="author" content="Dehaeze Thomas" />
@@ -37,13 +37,13 @@
Welcome to my research pages.
</p>
<div id="outline-container-org214a5d4" class="outline-2">
<h2 id="org214a5d4"><span class="section-number-2">1.</span> Papers</h2>
<div id="outline-container-orgb676d1d" class="outline-2">
<h2 id="orgb676d1d"><span class="section-number-2">1.</span> Papers</h2>
<div class="outline-text-2" id="text-1">
</div>
<div id="outline-container-org08b5680" class="outline-3">
<h3 id="org08b5680"><span class="section-number-3">1.1.</span> Conference Papers</h3>
<div id="outline-container-orged07e19" class="outline-3">
<h3 id="orged07e19"><span class="section-number-3">1.1.</span> Conference Papers</h3>
<div class="outline-text-3" id="text-1-1">
<ul class="org-ul">
<li>Dehaeze, T., Mattenet, M. M., Collette, C., <b>Sample Stabilization For Tomography Experiments In Presence Of Large Plant Uncertainty</b>, In MEDSI&rsquo;18 (pp. 153–157) (2018). Geneva, Switzerland: JACoW Publishing
@@ -79,8 +79,8 @@ Welcome to my research pages.
</div>
</div>
<div id="outline-container-orgef14c6e" class="outline-3">
<h3 id="orgef14c6e"><span class="section-number-3">1.2.</span> Journal Papers</h3>
<div id="outline-container-org8a30e88" class="outline-3">
<h3 id="org8a30e88"><span class="section-number-3">1.2.</span> Journal Papers</h3>
<div class="outline-text-3" id="text-1-2">
<ul class="org-ul">
<li>Verma, M., Dehaeze, T., Zhao, G., Watchi, J., Collette, C., <b>Virtual sensor fusion for high precision control, Mechanical Systems and Signal Processing</b>, 150, 107241 (2020)
@@ -99,173 +99,14 @@ Welcome to my research pages.
</div>
</div>
<div id="outline-container-org34dfd08" class="outline-2">
<h2 id="org34dfd08"><span class="section-number-2">2.</span> Useful Pages / Tutorials</h2>
<div id="outline-container-org9062bf9" class="outline-2">
<h2 id="org9062bf9"><span class="section-number-2">2.</span> Nano Active Stabilization System (NASS)</h2>
<div class="outline-text-2" id="text-2">
</div>
<div id="outline-container-orgea20de2" class="outline-3">
<h3 id="orgea20de2"><span class="section-number-3">2.1.</span> General Mechatronics</h3>
<div id="outline-container-org37b0d42" class="outline-3">
<h3 id="org37b0d42"><span class="section-number-3">2.1.</span> General Reports</h3>
<div class="outline-text-3" id="text-2-1">
<p>
<a href="spectral-analysis/index.html">Spectral Analysis</a>
</p>
<blockquote>
<p>
Basics of spectral analysis are presented alongside the Matlab codes.
This includes:
</p>
<ul class="org-ul">
<li>power spectral density</li>
<li>cumulative power spectrum</li>
<li>noise budgeting</li>
<li>&#x2026;</li>
</ul>
</blockquote>
<p>
<a href="filters-matlab-bank/index.html">Bank of Filters using matlab</a>
</p>
<blockquote>
<p>
Several types of linear filters (low pass, high pass, notch, lead, etc.) are presented with the corresponding Matlab code.
</p>
</blockquote>
</div>
</div>
<div id="outline-container-orgeaf3094" class="outline-3">
<h3 id="orgeaf3094"><span class="section-number-3">2.2.</span> System Modeling using Simscape</h3>
<div class="outline-text-3" id="text-2-2">
<p>
<a href="simscape-fem/index.html">Finite Element Models with Simscape</a>
</p>
<blockquote>
<p>
Finite Element Models (FEM) can be included into Simscape Multi-Body models.
This document presents how to do so.
</p>
</blockquote>
<p>
<a href="stewart-simscape/docs/index.html">Stewart Platforms modeled with Simscape</a>
</p>
<blockquote>
<p>
The goal of this project is to provide a Matlab/Simscape Toolbox to study Stewart platforms.
</p>
</blockquote>
<p>
<a href="simscape-gravity/index.html">Manage Gravity within Simscape</a>
</p>
<blockquote>
<p>
Gravity can add some problems in multi-body simscape models: at the beginning of the simulation, some sag will be experience that may be unwanted.
In order to start the simulation at equilibrium, few measured can be employed that are described in this document.
</p>
</blockquote>
</div>
</div>
</div>
<div id="outline-container-org705200d" class="outline-2">
<h2 id="org705200d"><span class="section-number-2">3.</span> Test Benches / Experiments</h2>
<div class="outline-text-2" id="text-3">
</div>
<div id="outline-container-org723678d" class="outline-3">
<h3 id="org723678d"><span class="section-number-3">3.1.</span> Intrumentation Related</h3>
<div class="outline-text-3" id="text-3-1">
<p>
<a href="test-bench-piezo-amplifiers/index.html">Voltage Amplifiers for Piezoelectric Actuators</a>
</p>
<blockquote>
<p>
Voltage amplifiers for capacitive loads (piezoelectric actuators) are measured in term of dynamics from input voltage to output voltage.
Their output impedance are also measured.
</p>
</blockquote>
<p>
<a href="attocube-test-bench/index.html">Attocube</a>
</p>
<blockquote>
<p>
The Attocube (a fiber based interferometer) is tested.
Its noise characteristics as well as non-linearities are measured.
</p>
</blockquote>
</div>
</div>
<div id="outline-container-orgf4b6473" class="outline-3">
<h3 id="orgf4b6473"><span class="section-number-3">3.2.</span> Amplified Piezoelecric Actuator</h3>
<div class="outline-text-3" id="text-3-2">
<p>
<a href="test-bench-apa/index.html">Amplified Piezoelectric Actuator - Test bench and Finite Element Model</a>
</p>
<blockquote>
<p>
A test bench is used to characterise the performances of an Amplified Piezoelectric Actuator (APA).
The dynamics of the system is identified and compared with a Finite Element Model (FEM).
</p>
</blockquote>
<p>
<a href="encoder-test-bench/test-bench-encoder.html">Encoder in parallel with an Amplified Piezoelectric Actuator</a>
</p>
<blockquote>
<p>
An encoder is fixed in parallel with an amplified piezoelectric actuator.
The transfer function from the actuator to the motions measured by the encoder is identified.
</p>
</blockquote>
<p>
<a href="test-bench-force-sensor/index.html">Piezoelectric Stack as Force Sensor</a>
</p>
<blockquote>
<p>
A part of a piezoelectric stack can be used as a force sensor.
Then, the force sensors is collocated with the part of the stack used as an actuator and Integral Force Feedback control strategy can be used to add damping in the system.
This is performed on an Amplified Piezoelectric Actuator
</p>
</blockquote>
<p>
<a href="sensor-fusion-test-bench/index.html">Sensor Fusion of Inertial Sensors</a>
</p>
<blockquote>
<p>
A geophone and a accelerometer are experimentally fused together using complementary filters.
The goal is to form a <i>super sensor</i> that has better noise characteristics than the individual sensors.
</p>
</blockquote>
</div>
</div>
<div id="outline-container-org5b5cb69" class="outline-3">
<h3 id="org5b5cb69"><span class="section-number-3">3.3.</span> Vibration Table</h3>
<div class="outline-text-3" id="text-3-3">
<p>
<a href="vibration-table/index.html">Instrumented Vibration Table used for Modal Testing</a>
</p>
<blockquote>
<p>
A vibration table is developed to perform controlled modal tests.
</p>
</blockquote>
</div>
</div>
</div>
<div id="outline-container-org6f2e5c9" class="outline-2">
<h2 id="org6f2e5c9"><span class="section-number-2">4.</span> PhD Project - Nano Active Stabilization System</h2>
<div class="outline-text-2" id="text-4">
</div>
<div id="outline-container-org583b492" class="outline-3">
<h3 id="org583b492"><span class="section-number-3">4.1.</span> General Reports</h3>
<div class="outline-text-3" id="text-4-1">
<p>
<a href="nass-report-2020/index.html">NASS - Report 2020</a>
</p>
<blockquote>
@@ -276,9 +117,9 @@ General report on the NASS project made in 2020.
</div>
</div>
<div id="outline-container-orgb6aa9be" class="outline-3">
<h3 id="orgb6aa9be"><span class="section-number-3">4.2.</span> Measurements, Models and Test Benches</h3>
<div class="outline-text-3" id="text-4-2">
<div id="outline-container-org975f2b2" class="outline-3">
<h3 id="org975f2b2"><span class="section-number-3">2.2.</span> Measurements, Models and Test Benches</h3>
<div class="outline-text-3" id="text-2-2">
<p>
<a href="nass-micro-station-measurements/index.html">NASS - Micro Station Measurements</a>
</p>
@@ -328,9 +169,9 @@ Presentation of the short stroke metrology concept.
</div>
</div>
<div id="outline-container-org0b9e697" class="outline-3">
<h3 id="org0b9e697"><span class="section-number-3">4.3.</span> Nano-Hexapod</h3>
<div class="outline-text-3" id="text-4-3">
<div id="outline-container-orgc6b7ba7" class="outline-3">
<h3 id="orgc6b7ba7"><span class="section-number-3">2.3.</span> Nano-Hexapod</h3>
<div class="outline-text-3" id="text-2-3">
<p>
<b>Equipments</b>:
</p>
@@ -361,17 +202,176 @@ Presentation of the short stroke metrology concept.
</div>
</div>
<div id="outline-container-org6e17d1e" class="outline-2">
<h2 id="org6e17d1e"><span class="section-number-2">5.</span> Double Crystal Monochromator (DCM)</h2>
<div class="outline-text-2" id="text-5">
<div id="outline-container-org1e5816e" class="outline-2">
<h2 id="org1e5816e"><span class="section-number-2">3.</span> Double Crystal Monochromator (DCM)</h2>
<div class="outline-text-2" id="text-3">
<p>
<a href="dcm-kinematics/index.html">Kinematics</a>
</p>
</div>
</div>
<div id="outline-container-orgf901a08" class="outline-2">
<h2 id="orgf901a08"><span class="section-number-2">6.</span> Notes</h2>
<div id="outline-container-org95fdc27" class="outline-2">
<h2 id="org95fdc27"><span class="section-number-2">4.</span> Useful Pages / Tutorials</h2>
<div class="outline-text-2" id="text-4">
</div>
<div id="outline-container-org5755e33" class="outline-3">
<h3 id="org5755e33"><span class="section-number-3">4.1.</span> General Mechatronics</h3>
<div class="outline-text-3" id="text-4-1">
<p>
<a href="spectral-analysis/index.html">Spectral Analysis</a>
</p>
<blockquote>
<p>
Basics of spectral analysis are presented alongside the Matlab codes.
This includes:
</p>
<ul class="org-ul">
<li>power spectral density</li>
<li>cumulative power spectrum</li>
<li>noise budgeting</li>
<li>&#x2026;</li>
</ul>
</blockquote>
<p>
<a href="filters-matlab-bank/index.html">Bank of Filters using matlab</a>
</p>
<blockquote>
<p>
Several types of linear filters (low pass, high pass, notch, lead, etc.) are presented with the corresponding Matlab code.
</p>
</blockquote>
</div>
</div>
<div id="outline-container-org395a07e" class="outline-3">
<h3 id="org395a07e"><span class="section-number-3">4.2.</span> System Modeling using Simscape</h3>
<div class="outline-text-3" id="text-4-2">
<p>
<a href="simscape-fem/index.html">Finite Element Models with Simscape</a>
</p>
<blockquote>
<p>
Finite Element Models (FEM) can be included into Simscape Multi-Body models.
This document presents how to do so.
</p>
</blockquote>
<p>
<a href="stewart-simscape/docs/index.html">Stewart Platforms modeled with Simscape</a>
</p>
<blockquote>
<p>
The goal of this project is to provide a Matlab/Simscape Toolbox to study Stewart platforms.
</p>
</blockquote>
<p>
<a href="simscape-gravity/index.html">Manage Gravity within Simscape</a>
</p>
<blockquote>
<p>
Gravity can add some problems in multi-body simscape models: at the beginning of the simulation, some sag will be experience that may be unwanted.
In order to start the simulation at equilibrium, few measured can be employed that are described in this document.
</p>
</blockquote>
</div>
</div>
</div>
<div id="outline-container-orga7a59ce" class="outline-2">
<h2 id="orga7a59ce"><span class="section-number-2">5.</span> Test Benches / Experiments</h2>
<div class="outline-text-2" id="text-5">
</div>
<div id="outline-container-org9a3eeca" class="outline-3">
<h3 id="org9a3eeca"><span class="section-number-3">5.1.</span> Intrumentation Related</h3>
<div class="outline-text-3" id="text-5-1">
<p>
<a href="test-bench-piezo-amplifiers/index.html">Voltage Amplifiers for Piezoelectric Actuators</a>
</p>
<blockquote>
<p>
Voltage amplifiers for capacitive loads (piezoelectric actuators) are measured in term of dynamics from input voltage to output voltage.
Their output impedance are also measured.
</p>
</blockquote>
<p>
<a href="attocube-test-bench/index.html">Attocube</a>
</p>
<blockquote>
<p>
The Attocube (a fiber based interferometer) is tested.
Its noise characteristics as well as non-linearities are measured.
</p>
</blockquote>
</div>
</div>
<div id="outline-container-orgab8c47a" class="outline-3">
<h3 id="orgab8c47a"><span class="section-number-3">5.2.</span> Amplified Piezoelecric Actuator</h3>
<div class="outline-text-3" id="text-5-2">
<p>
<a href="test-bench-apa/index.html">Amplified Piezoelectric Actuator - Test bench and Finite Element Model</a>
</p>
<blockquote>
<p>
A test bench is used to characterise the performances of an Amplified Piezoelectric Actuator (APA).
The dynamics of the system is identified and compared with a Finite Element Model (FEM).
</p>
</blockquote>
<p>
<a href="encoder-test-bench/test-bench-encoder.html">Encoder in parallel with an Amplified Piezoelectric Actuator</a>
</p>
<blockquote>
<p>
An encoder is fixed in parallel with an amplified piezoelectric actuator.
The transfer function from the actuator to the motions measured by the encoder is identified.
</p>
</blockquote>
<p>
<a href="test-bench-force-sensor/index.html">Piezoelectric Stack as Force Sensor</a>
</p>
<blockquote>
<p>
A part of a piezoelectric stack can be used as a force sensor.
Then, the force sensors is collocated with the part of the stack used as an actuator and Integral Force Feedback control strategy can be used to add damping in the system.
This is performed on an Amplified Piezoelectric Actuator
</p>
</blockquote>
<p>
<a href="sensor-fusion-test-bench/index.html">Sensor Fusion of Inertial Sensors</a>
</p>
<blockquote>
<p>
A geophone and a accelerometer are experimentally fused together using complementary filters.
The goal is to form a <i>super sensor</i> that has better noise characteristics than the individual sensors.
</p>
</blockquote>
</div>
</div>
<div id="outline-container-org4622549" class="outline-3">
<h3 id="org4622549"><span class="section-number-3">5.3.</span> Vibration Table</h3>
<div class="outline-text-3" id="text-5-3">
<p>
<a href="vibration-table/index.html">Instrumented Vibration Table used for Modal Testing</a>
</p>
<blockquote>
<p>
A vibration table is developed to perform controlled modal tests.
</p>
</blockquote>
</div>
</div>
</div>
<div id="outline-container-orge7d2fd3" class="outline-2">
<h2 id="orge7d2fd3"><span class="section-number-2">6.</span> Notes</h2>
<div class="outline-text-2" id="text-6">
<ul class="org-ul">
<li><a href="euspen_2020_notes/notes.html">EUSPEN - 2020 - Notes</a></li>
@@ -379,8 +379,8 @@ Presentation of the short stroke metrology concept.
</div>
</div>
<div id="outline-container-orgd1af59a" class="outline-2">
<h2 id="orgd1af59a"><span class="section-number-2">7.</span> Lectures</h2>
<div id="outline-container-org1531998" class="outline-2">
<h2 id="org1531998"><span class="section-number-2">7.</span> Lectures</h2>
<div class="outline-text-2" id="text-7">
<ul class="org-ul">
<li><a href="lecture-h-infinity/index.html">H-Infinity - Robust Control</a></li>