jsbsim.js/JSBSim/systems/catapult.xml

JSBSim flight dynamics model ported to JavaScript

<?xml version="1.0"?>

<system name="catapult"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSimSystem.xsd">

  <channel name="Catapult">

       <switch name="systems/catapult/cat-cmd-norm">
          <default value="0"/>
          <test  logic="AND" value="0">
               systems/catapult/cat-pos-norm gt 0.999
          </test>
          <test  logic="AND" value="1">
               systems/catapult/cat-launch-cmd == 1
          </test>
          <output>systems/catapult/cat-launch-cmd</output>
       </switch>

       <kinematic name="systems/catapult/cat-timer">
          <input>systems/catapult/cat-cmd-norm</input>
          <traverse>
              <setting>
                 <position>0.0</position>
                 <time>0.0</time>
              </setting>
              <setting>
                 <position>1.0</position>
                 <time>2.7</time>
              </setting>
          </traverse>
          <output>systems/catapult/cat-pos-norm</output>
       </kinematic>

       <pure_gain name="systems/catapult/cat-force">
          <input>inertia/weight-lbs</input>
          <gain>2.0</gain>
       </pure_gain>

       <switch name="systems/catapult/cat-final">
           <default value="0"/>
           <test  logic="AND" value="systems/catapult/cat-force">
                systems/catapult/cat-launch-cmd == 1
                systems/catapult/cat-pos-norm lt 0.999
                systems/catapult/cat-pos-norm gt 0.0
           </test>
           <output>external_reactions/catapult/magnitude</output>
       </switch>

  </channel>

</system>