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<!-- 2020-08-13 jeu. 09:43 --> <!-- 2020-08-13 jeu. 10:00 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<title>Measurement of Piezoelectric Amplifiers</title> <title>Measurement of Piezoelectric Amplifiers</title>
<meta name="generator" content="Org mode" /> <meta name="generator" content="Org mode" />
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<div id="content"> <div id="content">
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<h2>Table of Contents</h2> <h2>Table of Contents</h2>
<div id="text-table-of-contents"> <div id="text-table-of-contents">
<ul> <ul>
<li><a href="#org7cd0359">1. Effect of a change of capacitance</a> <li><a href="#orgf4c5526">1. Effect of a change of capacitance</a>
<ul> <ul>
<li><a href="#org8d85654">1.1. Cedrat Technology</a></li> <li><a href="#org52f8a23">1.1. Cedrat Technology</a></li>
<li><a href="#org68ca424">1.2. PI</a></li> <li><a href="#org96f04ca">1.2. PI</a></li>
</ul> </ul>
</li> </li>
<li><a href="#org050cae4">2. Effect of a change in Voltage level</a> <li><a href="#orgcd4115f">2. Effect of a change in Voltage level</a>
<ul> <ul>
<li><a href="#orga37be55">2.1. Cedrat Technology</a></li> <li><a href="#orgacb19bc">2.1. Cedrat Technology</a></li>
<li><a href="#org84c2c10">2.2. PI</a></li> <li><a href="#org4012e58">2.2. PI</a></li>
</ul> </ul>
</li> </li>
<li><a href="#org0a60460">3. Comparison PI / Cedrat</a> <li><a href="#org6c9c30b">3. Comparison PI / Cedrat</a>
<ul> <ul>
<li><a href="#orgbed9e43">3.1. Results</a></li> <li><a href="#org05eec9b">3.1. Results</a></li>
</ul> </ul>
</li> </li>
</ul> </ul>
</div> </div>
</div> </div>
<div id="outline-container-org7cd0359" class="outline-2"> <p>
<h2 id="org7cd0359"><span class="section-number-2">1</span> Effect of a change of capacitance</h2> Two voltage amplifiers are tested:
</p>
<ul class="org-ul">
<li>PI E-505.00 (<a href="https://www.pi-usa.us/en/products/controllers-drivers-motion-control-software/piezo-drivers-controllers-power-supplies-high-voltage-amplifiers/e-505-piezo-amplifier-module-602300/">link</a>)</li>
<li>Cedrat Technology LA75B (<a href="https://www.cedrat-technologies.com/en/products/piezo-controllers/electronic-amplifier-boards.html">link</a>)</li>
</ul>
<p>
The piezoelectric actuator under test is an APA95ML from Cedrat technology.
It contains three stacks with a capacitance of \(5 \mu F\) each that can be connected independently to the amplifier.
</p>
<div id="outline-container-orgf4c5526" class="outline-2">
<h2 id="orgf4c5526"><span class="section-number-2">1</span> Effect of a change of capacitance</h2>
<div class="outline-text-2" id="text-1"> <div class="outline-text-2" id="text-1">
</div> </div>
<div id="outline-container-org8d85654" class="outline-3"> <div id="outline-container-org52f8a23" class="outline-3">
<h3 id="org8d85654"><span class="section-number-3">1.1</span> Cedrat Technology</h3> <h3 id="org52f8a23"><span class="section-number-3">1.1</span> Cedrat Technology</h3>
<div class="outline-text-3" id="text-1-1"> <div class="outline-text-3" id="text-1-1">
<p> <p>
Load Data Load Data
@ -82,7 +103,7 @@ win = hann(ceil(0.1/Ts));
</div> </div>
<div id="orgea0a250" class="figure"> <div id="org988e499" class="figure">
<p><img src="figs/change_capa_cedrat.png" alt="change_capa_cedrat.png" /> <p><img src="figs/change_capa_cedrat.png" alt="change_capa_cedrat.png" />
</p> </p>
<p><span class="figure-number">Figure 1: </span>Effect of a change of the piezo capacitance on the Amplifier transfer function</p> <p><span class="figure-number">Figure 1: </span>Effect of a change of the piezo capacitance on the Amplifier transfer function</p>
@ -90,8 +111,8 @@ win = hann(ceil(0.1/Ts));
</div> </div>
</div> </div>
<div id="outline-container-org68ca424" class="outline-3"> <div id="outline-container-org96f04ca" class="outline-3">
<h3 id="org68ca424"><span class="section-number-3">1.2</span> PI</h3> <h3 id="org96f04ca"><span class="section-number-3">1.2</span> PI</h3>
<div class="outline-text-3" id="text-1-2"> <div class="outline-text-3" id="text-1-2">
<div class="org-src-container"> <div class="org-src-container">
<pre class="src src-matlab">piezo1 = load('mat/pi_505_high.mat', 't', 'V_in', 'V_out'); <pre class="src src-matlab">piezo1 = load('mat/pi_505_high.mat', 't', 'V_in', 'V_out');
@ -118,7 +139,7 @@ win = hann(ceil(0.1/Ts));
</div> </div>
<div id="org2b2f935" class="figure"> <div id="org9cf27f7" class="figure">
<p><img src="figs/change_capa_pi.png" alt="change_capa_pi.png" /> <p><img src="figs/change_capa_pi.png" alt="change_capa_pi.png" />
</p> </p>
<p><span class="figure-number">Figure 2: </span>Effect of a change of the piezo capacitance on the Amplifier transfer function</p> <p><span class="figure-number">Figure 2: </span>Effect of a change of the piezo capacitance on the Amplifier transfer function</p>
@ -127,12 +148,12 @@ win = hann(ceil(0.1/Ts));
</div> </div>
</div> </div>
<div id="outline-container-org050cae4" class="outline-2"> <div id="outline-container-orgcd4115f" class="outline-2">
<h2 id="org050cae4"><span class="section-number-2">2</span> Effect of a change in Voltage level</h2> <h2 id="orgcd4115f"><span class="section-number-2">2</span> Effect of a change in Voltage level</h2>
<div class="outline-text-2" id="text-2"> <div class="outline-text-2" id="text-2">
</div> </div>
<div id="outline-container-orga37be55" class="outline-3"> <div id="outline-container-orgacb19bc" class="outline-3">
<h3 id="orga37be55"><span class="section-number-3">2.1</span> Cedrat Technology</h3> <h3 id="orgacb19bc"><span class="section-number-3">2.1</span> Cedrat Technology</h3>
<div class="outline-text-3" id="text-2-1"> <div class="outline-text-3" id="text-2-1">
<div class="org-src-container"> <div class="org-src-container">
<pre class="src src-matlab">hi = load('mat/cedrat_la75b_high_1_stack.mat', 't', 'V_in', 'V_out'); <pre class="src src-matlab">hi = load('mat/cedrat_la75b_high_1_stack.mat', 't', 'V_in', 'V_out');
@ -157,7 +178,7 @@ win = hann(ceil(0.1/Ts));
</div> </div>
<div id="orgde72643" class="figure"> <div id="orgbd8e672" class="figure">
<p><img src="figs/change_level_cedrat.png" alt="change_level_cedrat.png" /> <p><img src="figs/change_level_cedrat.png" alt="change_level_cedrat.png" />
</p> </p>
<p><span class="figure-number">Figure 3: </span>Effect of a change of voltage level on the Amplifier transfer function</p> <p><span class="figure-number">Figure 3: </span>Effect of a change of voltage level on the Amplifier transfer function</p>
@ -165,8 +186,8 @@ win = hann(ceil(0.1/Ts));
</div> </div>
</div> </div>
<div id="outline-container-org84c2c10" class="outline-3"> <div id="outline-container-org4012e58" class="outline-3">
<h3 id="org84c2c10"><span class="section-number-3">2.2</span> PI</h3> <h3 id="org4012e58"><span class="section-number-3">2.2</span> PI</h3>
<div class="outline-text-3" id="text-2-2"> <div class="outline-text-3" id="text-2-2">
<div class="org-src-container"> <div class="org-src-container">
<pre class="src src-matlab">hi = load('mat/pi_505_high.mat', 't', 'V_in', 'V_out'); <pre class="src src-matlab">hi = load('mat/pi_505_high.mat', 't', 'V_in', 'V_out');
@ -187,7 +208,7 @@ win = hann(ceil(0.1/Ts));
</div> </div>
<div id="orge91bdf4" class="figure"> <div id="orgaafc93d" class="figure">
<p><img src="figs/change_level_pi.png" alt="change_level_pi.png" /> <p><img src="figs/change_level_pi.png" alt="change_level_pi.png" />
</p> </p>
<p><span class="figure-number">Figure 4: </span>Effect of a change of voltage level on the Amplifier transfer function</p> <p><span class="figure-number">Figure 4: </span>Effect of a change of voltage level on the Amplifier transfer function</p>
@ -196,12 +217,12 @@ win = hann(ceil(0.1/Ts));
</div> </div>
</div> </div>
<div id="outline-container-org0a60460" class="outline-2"> <div id="outline-container-org6c9c30b" class="outline-2">
<h2 id="org0a60460"><span class="section-number-2">3</span> Comparison PI / Cedrat</h2> <h2 id="org6c9c30b"><span class="section-number-2">3</span> Comparison PI / Cedrat</h2>
<div class="outline-text-2" id="text-3"> <div class="outline-text-2" id="text-3">
</div> </div>
<div id="outline-container-orgbed9e43" class="outline-3"> <div id="outline-container-org05eec9b" class="outline-3">
<h3 id="orgbed9e43"><span class="section-number-3">3.1</span> Results</h3> <h3 id="org05eec9b"><span class="section-number-3">3.1</span> Results</h3>
<div class="outline-text-3" id="text-3-1"> <div class="outline-text-3" id="text-3-1">
<div class="org-src-container"> <div class="org-src-container">
<pre class="src src-matlab">ce_results = load('mat/cedrat_la75b_high_1_stack.mat', 't', 'V_in', 'V_out'); <pre class="src src-matlab">ce_results = load('mat/cedrat_la75b_high_1_stack.mat', 't', 'V_in', 'V_out');
@ -219,7 +240,7 @@ win = hann(ceil(0.1/Ts));
</div> </div>
<div id="orgcb60c2b" class="figure"> <div id="org1897cd3" class="figure">
<p><img src="figs/tf_amplifiers_comp.png" alt="tf_amplifiers_comp.png" /> <p><img src="figs/tf_amplifiers_comp.png" alt="tf_amplifiers_comp.png" />
</p> </p>
<p><span class="figure-number">Figure 5: </span>Comparison of the two Amplifier transfer functions</p> <p><span class="figure-number">Figure 5: </span>Comparison of the two Amplifier transfer functions</p>
@ -230,7 +251,7 @@ win = hann(ceil(0.1/Ts));
</div> </div>
<div id="postamble" class="status"> <div id="postamble" class="status">
<p class="author">Author: Dehaeze Thomas</p> <p class="author">Author: Dehaeze Thomas</p>
<p class="date">Created: 2020-08-13 jeu. 09:43</p> <p class="date">Created: 2020-08-13 jeu. 10:00</p>
</div> </div>
</body> </body>
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#+PROPERTY: header-args:matlab+ :output-dir figs #+PROPERTY: header-args:matlab+ :output-dir figs
:END: :END:
* Introduction :ignore:
Two voltage amplifiers are tested:
- PI E-505.00 ([[https://www.pi-usa.us/en/products/controllers-drivers-motion-control-software/piezo-drivers-controllers-power-supplies-high-voltage-amplifiers/e-505-piezo-amplifier-module-602300/][link]])
- Cedrat Technology LA75B ([[https://www.cedrat-technologies.com/en/products/piezo-controllers/electronic-amplifier-boards.html][link]])
The piezoelectric actuator under test is an APA95ML from Cedrat technology.
It contains three stacks with a capacitance of $5 \mu F$ each that can be connected independently to the amplifier.
* Effect of a change of capacitance * Effect of a change of capacitance
** Matlab Init :noexport:ignore: ** Matlab Init :noexport:ignore:
#+begin_src matlab :tangle no :exports none :results silent :noweb yes :var current_dir=(file-name-directory buffer-file-name) #+begin_src matlab :tangle no :exports none :results silent :noweb yes :var current_dir=(file-name-directory buffer-file-name)