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Thomas Dehaeze 2019-07-19 09:36:54 +02:00
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modal-analysis/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>
<!-- 2019-07-12 ven. 11:24 -->
<!-- 2019-07-19 ven. 09:33 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Modal Analysis of the ID31 Micro-Station</title>
@ -278,22 +278,22 @@ for the JavaScript code in this tag.
<h1 class="title">Modal Analysis of the ID31 Micro-Station</h1>
<p>
The goal is to experimentally extract a <b>Spatial Model</b> (mass, damping, stiffness) of the structure (shown on figure <a href="#org4a31989">1</a>) in order to tune the Multi-Body model.
The goal is to experimentally extract a <b>Spatial Model</b> (mass, damping, stiffness) of the structure (shown on figure <a href="#orgb25ffa7">1</a>) in order to tune the Multi-Body model.
</p>
<div id="org4a31989" class="figure">
<div id="orgb25ffa7" class="figure">
<p><img src="img/nass_picture.png" alt="nass_picture.png" width="500px" />
</p>
<p><span class="figure-number">Figure 1: </span>Picture of the ID31 Micro-Station. (1) Granite (2) Translation Stage (3) Tilt Stage (4) Hexapod (5) Dummy Mass</p>
</div>
<p>
The procedure is represented on figure <a href="#org4a4053c">2</a> where we go from left to right.
The procedure is represented on figure <a href="#orgabc49bf">2</a> where we go from left to right.
</p>
<div id="org4a4053c" class="figure">
<div id="orgabc49bf" class="figure">
<p><img src="img/vibration_analysis_procedure.png" alt="vibration_analysis_procedure.png" width="400px" />
</p>
<p><span class="figure-number">Figure 2: </span>Vibration Analysis Procedure</p>
@ -316,7 +316,7 @@ Theses matrices will be used to tune the Simscape (multi-body) model.
The modes we want to identify are those in the frequency range between 0Hz and 150Hz.
</p>
<table id="org890b40f" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org41b882b" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<caption class="t-above"><span class="table-number">Table 1:</span> Terminology for further analysis</caption>
<colgroup>
@ -335,38 +335,38 @@ The modes we want to identify are those in the frequency range between 0Hz and 1
</thead>
<tbody>
<tr>
<td class="org-center">\(S\)</td>
<td class="org-center">\(p\)</td>
<td class="org-left">Number of solid body considered</td>
<td class="org-center">6</td>
</tr>
<tr>
<td class="org-center">\(M\)</td>
<td class="org-center">\(m\)</td>
<td class="org-left">Number of accelerometers</td>
<td class="org-center">23</td>
</tr>
<tr>
<td class="org-center">\(N\)</td>
<td class="org-center">\(n\)</td>
<td class="org-left">Number of identified modes</td>
<td class="org-center">21</td>
</tr>
<tr>
<td class="org-center">\(p\)</td>
<td class="org-center">\(q\)</td>
<td class="org-left">Number of frequency points</td>
<td class="org-center">801</td>
</tr>
<tr>
<td class="org-center">\(E\)</td>
<td class="org-center">\(s\)</td>
<td class="org-left">Number of excitation</td>
<td class="org-center">3</td>
</tr>
</tbody>
</table>
<table id="orgbda6b99" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org4089d51" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<caption class="t-above"><span class="table-number">Table 2:</span> Terminology for further analysis</caption>
<colgroup>
@ -382,7 +382,7 @@ The modes we want to identify are those in the frequency range between 0Hz and 1
</thead>
<tbody>
<tr>
<td class="org-center">\(\Lambda\)</td>
<td class="org-center">\([\Lambda]\)</td>
<td class="org-left">Complex eigen value matrix</td>
</tr>
@ -427,10 +427,17 @@ The modal analysis of the ID31 Micro-station thus consists of several parts:
<li><a href="modal_extraction.html">Modal Parameter Extraction</a></li>
<li><a href="mathematical_model.html">Derivation of Mathematical Model</a></li>
</ul>
<div id="org532fb43" class="figure">
<p><img src="figs/modal_test_procedure_vertical.png" alt="modal_test_procedure_vertical.png" width="600px" />
</p>
<p><span class="figure-number">Figure 3: </span>Modal Anslysis Procedure</p>
</div>
</div>
<div id="postamble" class="status">
<p class="author">Author: Dehaeze Thomas</p>
<p class="date">Created: 2019-07-12 ven. 11:24</p>
<p class="date">Created: 2019-07-19 ven. 09:33</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

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modal-analysis/index.org
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@ -72,3 +72,8 @@ The modal analysis of the ID31 Micro-station thus consists of several parts:
- [[file:frf_processing.org][Frequency Response Analysis and Processing]]
- [[file:modal_extraction.org][Modal Parameter Extraction]]
- [[file:mathematical_model.org][Derivation of Mathematical Model]]
#+name: fig:modal_test_procedure_vertical
#+caption: Modal Anslysis Procedure
#+attr_html: :width 600px
[[file:figs/modal_test_procedure_vertical.png]]