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Author SHA1 Message Date
15f2220884 Remove link to speedgoat page 2022-08-16 20:31:12 +02:00
98861c242b Remove DCM-speedgoat 2022-08-16 20:28:24 +02:00
8af7df9d2d Add all DCM documents 2022-06-02 22:34:36 +02:00
c10adeffaf Add DCM metrology 2022-06-02 22:22:41 +02:00
4b956a1998 Add repo 2022-06-02 19:15:34 +02:00
db587d73fc Re-arrange sections 2022-06-02 19:09:04 +02:00
d9b5b7e0b6 Remove DCM submodules 2022-06-02 19:01:08 +02:00
67b72f71f7 Add description of DCM files 2022-02-15 14:30:46 +01:00
6d99ed92d1 Add links 2022-02-15 14:27:22 +01:00
12 changed files with 386 additions and 241 deletions

21
.gitmodules vendored
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@@ -132,13 +132,28 @@
url = https://git.tdehaeze.xyz/tdehaeze/dehaeze19_compl_filter_shapin_using_synth
[submodule "dcm-stepper-calibration"]
path = dcm-stepper-calibration
url = https://git.tdehaeze.xyz/tdehaeze/dcm-stepper-calibration
url = https://gitlab.esrf.fr/dehaeze/dcm-stepper-calibration
[submodule "dcm-feedback-control"]
path = dcm-feedback-control
url = https://git.tdehaeze.xyz/tdehaeze/dcm-feedback-control
url = https://gitlab.esrf.fr/dehaeze/dcm-feedback-control
[submodule "dcm-simscape-model"]
path = dcm-simscape-model
url = https://git.tdehaeze.xyz/tdehaeze/dcm-simscape-model
[submodule "dcm-metrology"]
path = dcm-metrology
url = https://git.tdehaeze.xyz/tdehaeze/dcm-metrology
url = https://gitlab.esrf.fr/dehaeze/dcm-metrology
[submodule "dcm-kinematics"]
path = dcm-kinematics
url = https://gitlab.esrf.fr/dehaeze/dcm-kinematics
[submodule "dcm-user-guide"]
path = dcm-user-guide
url = https://gitlab.esrf.fr/dehaeze/dcm-user-guide
[submodule "dcm-laser-setup"]
path = dcm-laser-setup
url = https://gitlab.esrf.fr/dehaeze/dcm-laser-setup
[submodule "dcm-bragg-control"]
path = dcm-bragg-control
url = https://gitlab.esrf.fr/dehaeze/dcm-bragg-control
[submodule "dcm-simscape"]
path = dcm-simscape
url = https://gitlab.esrf.fr/dehaeze/dcm-simscape

1
dcm-bragg-control Submodule

Submodule dcm-bragg-control added at 30e24e3ad3

1
dcm-kinematics Submodule

Submodule dcm-kinematics added at a36ebddf2f

1
dcm-laser-setup Submodule

Submodule dcm-laser-setup added at eb495136c8

1
dcm-simscape Submodule

Submodule dcm-simscape added at f6400c14de

1
dcm-user-guide Submodule

Submodule dcm-user-guide added at b1a511922a

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@@ -3,10 +3,10 @@
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<!-- 2021-08-27 ven. 19:20 -->
<!-- 2022-08-16 Tue 20:31 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<title>Research Pages</title>
<meta name="author" content="Thomas Dehaeze" />
<meta name="author" content="Dehaeze Thomas" />
<meta name="generator" content="Org Mode" />
<link rel="stylesheet" type="text/css" href="css/style.css"/>
<link rel="stylesheet" href="https://maxst.icons8.com/vue-static/landings/line-awesome/line-awesome/1.3.0/css/line-awesome.min.css">
@@ -37,12 +37,13 @@
Welcome to my research pages.
</p>
<div id="outline-container-orgad78a15" class="outline-2">
<h2 id="orgad78a15"><span class="section-number-2">1.</span> Papers</h2>
<div id="outline-container-orgf4ecbf1" class="outline-2">
<h2 id="orgf4ecbf1"><span class="section-number-2">1.</span> Papers</h2>
<div class="outline-text-2" id="text-1">
</div>
<div id="outline-container-orge21dea9" class="outline-3">
<h3 id="orge21dea9"><span class="section-number-3">1.1.</span> Conference Papers</h3>
<div id="outline-container-org1d2c088" class="outline-3">
<h3 id="org1d2c088"><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. 153157) (2018). Geneva, Switzerland: JACoW Publishing
@@ -78,8 +79,8 @@ Welcome to my research pages.
</div>
</div>
<div id="outline-container-orge836f16" class="outline-3">
<h3 id="orge836f16"><span class="section-number-3">1.2.</span> Journal Papers</h3>
<div id="outline-container-org54b0f02" class="outline-3">
<h3 id="org54b0f02"><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)
@@ -98,173 +99,14 @@ Welcome to my research pages.
</div>
</div>
<div id="outline-container-orge8f5344" class="outline-2">
<h2 id="orge8f5344"><span class="section-number-2">2.</span> Useful Pages / Tutorials</h2>
<div id="outline-container-org573519e" class="outline-2">
<h2 id="org573519e"><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-orge536db1" class="outline-3">
<h3 id="orge536db1"><span class="section-number-3">2.1.</span> General Mechatronics</h3>
<div id="outline-container-org92954d9" class="outline-3">
<h3 id="org92954d9"><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-orgaa34396" class="outline-3">
<h3 id="orgaa34396"><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-orgbacec51" class="outline-2">
<h2 id="orgbacec51"><span class="section-number-2">3.</span> Test Benches / Experiments</h2>
<div class="outline-text-2" id="text-3">
</div>
<div id="outline-container-orgfd8174d" class="outline-3">
<h3 id="orgfd8174d"><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-org4006b3b" class="outline-3">
<h3 id="org4006b3b"><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-org56e1ee5" class="outline-3">
<h3 id="org56e1ee5"><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-org6177bd7" class="outline-2">
<h2 id="org6177bd7"><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-orgd548468" class="outline-3">
<h3 id="orgd548468"><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>
@@ -275,9 +117,9 @@ General report on the NASS project made in 2020.
</div>
</div>
<div id="outline-container-org78b1fd3" class="outline-3">
<h3 id="org78b1fd3"><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-orgbacbc1f" class="outline-3">
<h3 id="orgbacbc1f"><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>
@@ -327,9 +169,9 @@ Presentation of the short stroke metrology concept.
</div>
</div>
<div id="outline-container-orgebf76bf" class="outline-3">
<h3 id="orgebf76bf"><span class="section-number-3">4.3.</span> Nano-Hexapod</h3>
<div class="outline-text-3" id="text-4-3">
<div id="outline-container-org36da088" class="outline-3">
<h3 id="org36da088"><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>
@@ -360,18 +202,258 @@ Presentation of the short stroke metrology concept.
</div>
</div>
<div id="outline-container-org9ff2104" class="outline-2">
<h2 id="org9ff2104"><span class="section-number-2">5.</span> Notes</h2>
<div id="outline-container-org725796d" class="outline-2">
<h2 id="org725796d"><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>
<blockquote>
<p>
Kinematics of the DCM is described (both for motors and sensors). Transformations matrices are derived and all notations and conventions are well defined.
</p>
</blockquote>
<p>
<a href="dcm-metrology/index.html">Metrology</a>
</p>
<blockquote>
<p>
Internal metrology of the DCM (i.e. interferometers) is described. Methods to properly initialize and calibrate the metrology are proposed.
</p>
</blockquote>
<p>
<a href="dcm-feedback-control/index.html">Feedback Control</a>
</p>
<blockquote>
<p>
This project deals with the Feedback Control of the DCM:
</p>
<p>
Identification of the system&rsquo;s dynamics Change of coordinates Feedback controller design Obtained performances in closed loop
</p>
</blockquote>
<p>
<a href="dcm-user-guide/index.html">User Guide</a>
</p>
<blockquote>
<p>
The goal of this repository is to provide a simple guide for the use of the DCM.
</p>
</blockquote>
<p>
<a href="dcm-stepper-calibration/index.html">Stepper Motor Calibration</a>
</p>
<blockquote>
<p>
This repository includes all the work done in order to calibrate the errors induced by the stepper motors.
</p>
</blockquote>
<p>
<a href="dcm-laser-setup/index.html">Laser Setup</a>
</p>
<blockquote>
<p>
This project summarized all the work done on the Laser Setup. This includes alignement, calibration, noise and stability measurements.
</p>
</blockquote>
<p>
<a href="dcm-bragg-control/index.html">Control of Bragg Axis</a>
</p>
<blockquote>
<p>
The control of the Bragg angle using the Aerotech controller is described (control architecture, identified dynamics, etc.).
</p>
</blockquote>
<p>
<a href="dcm-simscape/index.html">Multi-Body model (Simscape)</a>
</p>
<blockquote>
<p>
Multi-body model of the DCM using Simscape (Matlab Toolbox). Dynamics of the system is studied, matched with the identified dynamics. Feedback control is applied, and the model is used to study possible improvements.
</p>
</blockquote>
</div>
</div>
<div id="outline-container-org08aac7b" class="outline-2">
<h2 id="org08aac7b"><span class="section-number-2">4.</span> Useful Pages / Tutorials</h2>
<div class="outline-text-2" id="text-4">
</div>
<div id="outline-container-org1506f1e" class="outline-3">
<h3 id="org1506f1e"><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-org30a45fa" class="outline-3">
<h3 id="org30a45fa"><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-orged54513" class="outline-2">
<h2 id="orged54513"><span class="section-number-2">5.</span> Test Benches / Experiments</h2>
<div class="outline-text-2" id="text-5">
</div>
<div id="outline-container-org5d3e0ef" class="outline-3">
<h3 id="org5d3e0ef"><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-orgeae29eb" class="outline-3">
<h3 id="orgeae29eb"><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-orgb023554" class="outline-3">
<h3 id="orgb023554"><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-orgf8f9a12" class="outline-2">
<h2 id="orgf8f9a12"><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>
</ul>
</div>
</div>
<div id="outline-container-orgd57d27c" class="outline-2">
<h2 id="orgd57d27c"><span class="section-number-2">6.</span> Lectures</h2>
<div class="outline-text-2" id="text-6">
<div id="outline-container-org8b720a8" class="outline-2">
<h2 id="org8b720a8"><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>
</ul>

148
index.org
View File

@@ -96,6 +96,102 @@ Then add a new submodule with the updated url.
- [[file:dehaeze20_virtu_senso_fusio/index.org][Virtual Sensor Fusion]]
- [[file:svd-control/index.org][SVD Control - Simscape Models]]
* Nano Active Stabilization System (NASS)
** General Reports
[[file:nass-report-2020/index.org][NASS - Report 2020]]
#+begin_quote
General report on the NASS project made in 2020.
#+end_quote
** Measurements, Models and Test Benches
[[file:nass-micro-station-measurements/index.org][NASS - Micro Station Measurements]]
#+begin_quote
This document gathers all the measurements made on the Micro-Station.
#+end_quote
[[file:nass-simscape/docs/index.org][NASS - Simscape Model]]
#+begin_quote
This document presents the Simscape model used to represent the micro-station as well as the Nano Active Stabilization System.
#+end_quote
[[file:nass-fem/index.org][NASS - Finite Element Models]]
#+begin_quote
Finite Element Models of the nano-hexapod are developed and used with Simscape to perform dynamics meaurements.
In this document, models of Amplified Piezoelectric Actuators, Flexible Joints, and Entire Stewart platform's strut are developed and tested.
#+end_quote
[[file:nass-metrology-test-bench/index.org][NASS - Metrology Concept 1]]
#+begin_quote
Presentation of the first metrology concept for the NASS.
First experimental results are presented.
#+end_quote
[[file:nass-short-stroke-metrology/short-stroke-metrology.org][NASS - Short Stroke Metrology]]
#+begin_quote
Presentation of the short stroke metrology concept.
#+end_quote
** Nano-Hexapod
*Equipments*:
- [[file:test-bench-pd200/index.org][Voltage Amplifier: PD200]]
- [[file:test-bench-vionic/index.org][Encoder: Renishaw Vionic]]
- [[file:test-bench-nass-flexible-joints/index.org][Flexible Joints]]
- [[file:test-bench-apa300ml/index.org][Amplified Piezoelectric Actuator: APA300ML]]
- [[file:nass-cabling/index.org][Control Electronics and Cabling]]
*Assembly*:
- [[file:test-bench-strut-mounting/index.org][Nano-Hexapod Struts - Assembly]]
- [[file:nass-nano-hexapod-assembly/index.html][Nano-Hexapod - Assembly]]
*Nano-Hexapod Test Benches*:
- [[file:test-bench-nano-hexapod/index.org][Nano-Hexapod on a Granite]]
- [[file:test-bench-nass-spindle/index.org][Nano-Hexapod on top of Spindle]]
* Double Crystal Monochromator (DCM)
[[file:dcm-kinematics/index.html][Kinematics]]
#+begin_quote
Kinematics of the DCM is described (both for motors and sensors). Transformations matrices are derived and all notations and conventions are well defined.
#+end_quote
[[file:dcm-metrology/index.html][Metrology]]
#+begin_quote
Internal metrology of the DCM (i.e. interferometers) is described. Methods to properly initialize and calibrate the metrology are proposed.
#+end_quote
[[file:dcm-feedback-control/index.html][Feedback Control]]
#+begin_quote
This project deals with the Feedback Control of the DCM:
Identification of the system's dynamics Change of coordinates Feedback controller design Obtained performances in closed loop
#+end_quote
[[file:dcm-user-guide/index.html][User Guide]]
#+begin_quote
The goal of this repository is to provide a simple guide for the use of the DCM.
#+end_quote
[[file:dcm-stepper-calibration/index.html][Stepper Motor Calibration]]
#+begin_quote
This repository includes all the work done in order to calibrate the errors induced by the stepper motors.
#+end_quote
[[file:dcm-laser-setup/index.html][Laser Setup]]
#+begin_quote
This project summarized all the work done on the Laser Setup. This includes alignement, calibration, noise and stability measurements.
#+end_quote
[[file:dcm-bragg-control/index.html][Control of Bragg Axis]]
#+begin_quote
The control of the Bragg angle using the Aerotech controller is described (control architecture, identified dynamics, etc.).
#+end_quote
[[file:dcm-simscape/index.html][Multi-Body model (Simscape)]]
#+begin_quote
Multi-body model of the DCM using Simscape (Matlab Toolbox). Dynamics of the system is studied, matched with the identified dynamics. Feedback control is applied, and the model is used to study possible improvements.
#+end_quote
* Useful Pages / Tutorials
** General Mechatronics
@@ -182,58 +278,6 @@ The goal is to form a /super sensor/ that has better noise characteristics than
A vibration table is developed to perform controlled modal tests.
#+end_quote
* PhD Project - Nano Active Stabilization System
** General Reports
[[file:nass-report-2020/index.org][NASS - Report 2020]]
#+begin_quote
General report on the NASS project made in 2020.
#+end_quote
** Measurements, Models and Test Benches
[[file:nass-micro-station-measurements/index.org][NASS - Micro Station Measurements]]
#+begin_quote
This document gathers all the measurements made on the Micro-Station.
#+end_quote
[[file:nass-simscape/docs/index.org][NASS - Simscape Model]]
#+begin_quote
This document presents the Simscape model used to represent the micro-station as well as the Nano Active Stabilization System.
#+end_quote
[[file:nass-fem/index.org][NASS - Finite Element Models]]
#+begin_quote
Finite Element Models of the nano-hexapod are developed and used with Simscape to perform dynamics meaurements.
In this document, models of Amplified Piezoelectric Actuators, Flexible Joints, and Entire Stewart platform's strut are developed and tested.
#+end_quote
[[file:nass-metrology-test-bench/index.org][NASS - Metrology Concept 1]]
#+begin_quote
Presentation of the first metrology concept for the NASS.
First experimental results are presented.
#+end_quote
[[file:nass-short-stroke-metrology/short-stroke-metrology.org][NASS - Short Stroke Metrology]]
#+begin_quote
Presentation of the short stroke metrology concept.
#+end_quote
** Nano-Hexapod
*Equipments*:
- [[file:test-bench-pd200/index.org][Voltage Amplifier: PD200]]
- [[file:test-bench-vionic/index.org][Encoder: Renishaw Vionic]]
- [[file:test-bench-nass-flexible-joints/index.org][Flexible Joints]]
- [[file:test-bench-apa300ml/index.org][Amplified Piezoelectric Actuator: APA300ML]]
- [[file:nass-cabling/index.org][Control Electronics and Cabling]]
*Assembly*:
- [[file:test-bench-strut-mounting/index.org][Nano-Hexapod Struts - Assembly]]
- [[file:nass-nano-hexapod-assembly/index.html][Nano-Hexapod - Assembly]]
*Nano-Hexapod Test Benches*:
- [[file:test-bench-nano-hexapod/index.org][Nano-Hexapod on a Granite]]
- [[file:test-bench-nass-spindle/index.org][Nano-Hexapod on top of Spindle]]
* Notes
- [[file:euspen_2020_notes/notes.org][EUSPEN - 2020 - Notes]]