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  <b>VUT Brno<sup>&reg;</sup></b>
  <h1 class="reftitle">SRM</h1>
    <p>Model of Switched Reluctance Motor</p>
    
  <h2>Library</h2>
    <p>Electromechanical Drives</p>
    
  <h2>Description <span class="inlinemediaobject"></span></h2>
    <img src="SRM_blocks.png" alt="">
    <p>Model of Switched Reluctance Motor is in the five variants, created by </p>
    <ul type="disc">
        <li><p>Simulink blocks (SRM Block)</p></li>
        <li><p>S-function Lvel-2 in language C as continous (SRM continous)</p></li>
        <li><p>S-function Lvel-2 in language C as discrete (SRM discrete)</p></li>
        <li><p>S-function Lvel-2 in language M as continous (SRM continous)</p></li>
        <li><p>S-function Lvel-2 in language M as discrete (SRM discrete)</p></li>
    </ul>
    
  <h2>Data Type Support</h2>
    <p> The block of SRM accepts only one dimension input signals and any numeric data type supported by Simulink software. Three-phase stator currents represents single vector output.</p>
  
  <h2>Parameters and Dialog Box</h2>
    <p><img src="SRM_Main.png" alt=""></p>
    <dl>
        <dt><span class="term"><b>Input parameters</b></span></dt>
            <dd><p>Enter the value of parameters or mark checkbox, if you want created new input insted of parameter.</p></dd>
        <dt><span class="term"><b>Sample time (Only in discrete type of model)</b></span></dt>
            <dd><p>Enter the time interval between sample time hits. Model use Euler method.</p></dd>
        <dt><span class="term"><b>Magnetic flux </b></span></dt>
            <dd><p>Magnetic flux is defined as table by phase current and rotor position. Table can be loaded from workspace or from Mat-file. If table is loaded from Mat-file, then Mat-file must be in the current directory. Table must be defined excatly as shown on the next figure and motor position must be from interval<45`>. Bilinear interpolation is used for estimation actual values.</p></dd>
            <dd><img src="SRM_ExTable.png"  alt=""></dd>
        <dt><span class="term"><b>Non zeros initial conditions</b></span></dt>
            <dd><p>After this button is clicked, new window is opened. Enter the value of initial state variables. Default values of initial conditions are set to zero.</p></dd>
            <dd><img src="SRM_IC.png"  alt=""></dd>
        <dt><span class="term"><b>Output paramters</b></span></dt>
            <dd><p>You may add another outputs to block.</p></dd>
    </dl>
    
  <h2>Table of model parameters</h2>
    <img src="SRM_Table.png" alt="">
        
  <h2>Mathematical model</h2>
    <img src="SRM_eq.bmp" alt="">
     
  <h2>See Also</h2>
    <p><a href="ASM_Help.html"><tt>AC Induction Motor</tt></a>, <a href="SEPEXDCM_Help.html"><tt>SEPEX DC Motor</tt></a>, <a href="PMSM_Help.html"><tt>PMSM</tt></a></p>
   
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  <!-- Last updated: 20 May 2010 -->