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<div id="content">
<h1 class="title">Measurement of the ID31 Micro-Station</h1>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
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<li><a href="#org3dd37ca">1. Measurements of the dynamics of the station</a>
<ul>
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<li><a href="#orgc6a04a7">1.1. Measurement 1</a>
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<ul>
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<li><a href="#org3d7d31e">1.1.1. Notes</a></li>
<li><a href="#org6f222a5">1.1.2. Goal</a></li>
<li><a href="#org66caa3c">1.1.3. Results</a></li>
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</ul>
</li>
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<li><a href="#orga240707">1.2. Measurement 2</a>
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<ul>
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<li><a href="#org6750c68">1.2.1. Notes</a></li>
<li><a href="#org514680e">1.2.2. Goal</a></li>
<li><a href="#orga1029fa">1.2.3. Results</a></li>
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</ul>
</li>
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<li><a href="#org0266a1b">1.3. <span class="todo TODO">TODO</span> Measurement 3</a>
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<ul>
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<li><a href="#org3a059d2">1.3.1. Notes</a></li>
<li><a href="#org8fec9e8">1.3.2. Goal</a></li>
<li><a href="#org638b982">1.3.3. Results</a></li>
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</ul>
</li>
</ul>
</li>
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<li><a href="#orge16cbdc">2. Measurements of perturbations</a></li>
<li><a href="#org7e1127d">3. Other</a></li>
</ul>
</div>
</div>
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<p>
This web-page gathers all the measurements done on the ID31 Micro Station.
</p>
<div id="outline-container-org3dd37ca" class="outline-2">
<h2 id="org3dd37ca"><span class="section-number-2">1</span> Measurements of the dynamics of the station</h2>
<div class="outline-text-2" id="text-1">
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<ul class="org-ul">
<li><a href="dynamical-meas-granite/index.html">Dynamics from floor motion to marble motion</a></li>
</ul>
</div>
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<div id="outline-container-orgc6a04a7" class="outline-3">
<h3 id="orgc6a04a7"><span class="section-number-3">1.1</span> Measurement 1</h3>
<div class="outline-text-3" id="text-1-1">
<p>
<a href="2017-11-17 - Marc/index.html">Link to the analysis</a>
</p>
</div>
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<div id="outline-container-org3d7d31e" class="outline-4">
<h4 id="org3d7d31e"><span class="section-number-4">1.1.1</span> Notes</h4>
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<div class="outline-text-4" id="text-1-1-1">
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
<col class="org-left" />
<col class="org-left" />
</colgroup>
<tbody>
<tr>
<td class="org-left"><b>Date</b></td>
<td class="org-left">2017-11-17</td>
</tr>
<tr>
<td class="org-left"><b>Sensors</b></td>
<td class="org-left">Accelerometers</td>
</tr>
<tr>
<td class="org-left"><b>Excitation</b></td>
<td class="org-left">Instrumented Hammer</td>
</tr>
<tr>
<td class="org-left"><b>Location</b></td>
<td class="org-left">Laboratory</td>
</tr>
</tbody>
</table>
<p>
Dynamics of the station is evaluated using instrumented hammer and accelerometers fixed on each stage.
</p>
</div>
</div>
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<div id="outline-container-org6f222a5" class="outline-4">
<h4 id="org6f222a5"><span class="section-number-4">1.1.2</span> Goal</h4>
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<div class="outline-text-4" id="text-1-1-2">
<ul class="org-ul">
<li>Obtain a first estimation of resonance frequencies</li>
</ul>
</div>
</div>
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<div id="outline-container-org66caa3c" class="outline-4">
<h4 id="org66caa3c"><span class="section-number-4">1.1.3</span> Results</h4>
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<div class="outline-text-4" id="text-1-1-3">
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<div class="important">
<ul class="org-ul">
<li>Resonances have been identified at 45Hz and 75Hz</li>
<li>However, the quality of the measurements are bad at low frequency</li>
<li>New measurements should be done with Geophones</li>
</ul>
</div>
</div>
</div>
</div>
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<div id="outline-container-orga240707" class="outline-3">
<h3 id="orga240707"><span class="section-number-3">1.2</span> Measurement 2</h3>
<div class="outline-text-3" id="text-1-2">
<p>
<a href="2018-01-12 - Marc/index.html">Link to the analysis</a>
</p>
</div>
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<div id="outline-container-org6750c68" class="outline-4">
<h4 id="org6750c68"><span class="section-number-4">1.2.1</span> Notes</h4>
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<div class="outline-text-4" id="text-1-2-1">
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
<col class="org-left" />
<col class="org-left" />
</colgroup>
<tbody>
<tr>
<td class="org-left"><b>Date</b></td>
<td class="org-left">2018-01-12</td>
</tr>
<tr>
<td class="org-left"><b>Sensors</b></td>
<td class="org-left">Geophones</td>
</tr>
<tr>
<td class="org-left"><b>Excitation</b></td>
<td class="org-left">Instrumented Hammer</td>
</tr>
<tr>
<td class="org-left"><b>Location</b></td>
<td class="org-left">Laboratory</td>
</tr>
<tr>
<td class="org-left"><b>Notes</b></td>
<td class="org-left">Unglued Granite</td>
</tr>
</tbody>
</table>
</div>
</div>
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<div id="outline-container-org514680e" class="outline-4">
<h4 id="org514680e"><span class="section-number-4">1.2.2</span> Goal</h4>
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<div class="outline-text-4" id="text-1-2-2">
<p>
Obtain better coherence at low frequency.
</p>
</div>
</div>
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<div id="outline-container-orga1029fa" class="outline-4">
<h4 id="orga1029fa"><span class="section-number-4">1.2.3</span> Results</h4>
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<div class="outline-text-4" id="text-1-2-3">
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<div class="important">
<ul class="org-ul">
<li>Resonances at 42Hz, 70Hz and 125Hz have been identified</li>
<li>The coherence is much better than when using accelerometers</li>
</ul>
</div>
</div>
</div>
</div>
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<div id="outline-container-org0266a1b" class="outline-3">
<h3 id="org0266a1b"><span class="section-number-3">1.3</span> <span class="todo TODO">TODO</span> Measurement 3</h3>
<div class="outline-text-3" id="text-1-3">
<p>
<a href="2018-10-12 - Marc/index.html">Link to the analysis</a>
</p>
</div>
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<div id="outline-container-org3a059d2" class="outline-4">
<h4 id="org3a059d2"><span class="section-number-4">1.3.1</span> Notes</h4>
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<div class="outline-text-4" id="text-1-3-1">
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
<col class="org-left" />
<col class="org-left" />
</colgroup>
<tbody>
<tr>
<td class="org-left"><b>Date</b></td>
<td class="org-left">2018-10-12</td>
</tr>
<tr>
<td class="org-left"><b>Sensors</b></td>
<td class="org-left">Geophones</td>
</tr>
<tr>
<td class="org-left"><b>Excitation</b></td>
<td class="org-left">Instrumented Hammer</td>
</tr>
<tr>
<td class="org-left"><b>Location</b></td>
<td class="org-left">Experimental Hutch</td>
</tr>
</tbody>
</table>
</div>
</div>
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<div id="outline-container-org8fec9e8" class="outline-4">
<h4 id="org8fec9e8"><span class="section-number-4">1.3.2</span> Goal</h4>
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<div class="outline-text-4" id="text-1-3-2">
<p>
The station is now installed on the experimental hutch with a glued granite (final location).
The station is identified again.
</p>
</div>
</div>
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<div id="outline-container-org638b982" class="outline-4">
<h4 id="org638b982"><span class="section-number-4">1.3.3</span> Results</h4>
<div class="outline-text-4" id="text-1-3-3">
<div class="important">
<p>
</p>
</div>
</div>
</div>
</div>
</div>
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<div id="outline-container-orge16cbdc" class="outline-2">
<h2 id="orge16cbdc"><span class="section-number-2">2</span> Measurements of perturbations</h2>
<div class="outline-text-2" id="text-2">
<ul class="org-ul">
<li><a href="disturbance-sr-rz/index.html">Measurement of the vibrations induced by the rotation of the slip-ring and spindle</a></li>
<li><a href="disturbance-ty-sr/index.html">Measurement of the vibrations induced by the simultaneous rotation of the slip-ring and scan of the translation stage</a></li>
<li><a href="disturbance-measurement/index.html">Disturbance Measurement - Spindle</a> TODO</li>
<li><a href="slip-ring-electrical-noise/index.html">Measurement of the electrical noise induced by the slip-ring</a></li>
<li><a href="ground-motion/index.html">Ground motion measurements</a></li>
<li><a href="static-to-dynamic/index.html">Static guiding errors - Ty</a></li>
<li><a href="static-spindle/index.html">Static guiding errors - Spindle</a></li>
<li><a href="disturbance-control-system/index.html">Disturbance induced by the control system of each stage</a></li>
<li><a href="disturbance-ty/index.html">Vibrations due to Ty scans</a></li>
<li><a href="2018-10-15 - Marc/index.html">Perturbation due to the control loop of each stage</a></li>
</ul>
</div>
</div>
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<div id="outline-container-org7e1127d" class="outline-2">
<h2 id="org7e1127d"><span class="section-number-2">3</span> Other</h2>
<div class="outline-text-2" id="text-3">
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<ul class="org-ul">
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<li><a href="huddle-test-geophones/index.html">Huddle Test - Geophones</a></li>
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<li><a href="instrumentation/index.html">Measurement on the instrumentation</a></li>
<li><a href="slip-ring-electrical-noise/index.html">Slip Ring - Noise measurement</a></li>
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<li><a href="static-measurements/index.html">Control System Measurement</a></li>
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<li><a href="actuators-sensors/index.html">Actuators and Sensors</a></li>
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<li><a href="equipment/equipment.html">Equipment used for the measurements</a></li>
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<li><a href="src/index.html">Matlab functions used for the data analysis</a></li>
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</ul>
</div>
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</div>
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2019-03-14 16:36:39 +01:00
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<p class="author">Author: Thomas Dehaeze</p>
2019-05-14 23:02:36 +02:00
<p class="date">Created: 2019-05-14 mar. 23:02</p>
2019-03-14 16:36:39 +01:00
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
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