jsbsim.js/JSBSim/aircraft/J246/Systems/J246FirstStageEffectors.xml

JSBSim flight dynamics model ported to JavaScript

<?xml version="1.0"?>
<system name="J246 First Stage Effectors"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSimSystem.xsd">

  <channel name="Pitch">

    <switch name="fcs/pitch-output-selector">
      <default value="0.0"/>
      <test value="control/peg-pitch-controller">
        guidance/executive/current-mode eq 5 <!-- *** mode, second stage -->
      </test>
      <test value="control/gravity-turn-alpha-controller">
        guidance/executive/current-mode eq 4 <!-- Zero alpha/beta mode -->
      </test>
      <test value="control/gravity-turn-pitch-rate-command-gain">
        guidance/executive/current-mode eq 3 <!-- Gravity turn mode -->
      </test>
      <test value="control/gravity-turn-pitch-rate-command-gain">
        guidance/executive/current-mode eq 2 <!-- Initial kick angle turn mode -->
      </test>
      <test value="control/pitch-gain">
        guidance/executive/current-mode le 1 <!-- Vertical rise mode -->
      </test>
    </switch>

    <pure_gain name="fcs/pitch-actuator-cmd">
      <input>fcs/pitch-output-selector</input>
      <gain> 1.0 </gain>
    </pure_gain>

    <actuator name="fcs/pitch-actuator-pos">
      <input>fcs/pitch-actuator-cmd</input>
      <lag> 60 </lag>
      <bias> 0.0017 </bias>
      <hysteresis_width> 0.0017 </hysteresis_width>
      <rate_limit> 0.085 </rate_limit>
      <clipto>
        <min> -0.17 </min>
        <max>  0.17 </max>
      </clipto>
      <output>propulsion/engine[0]/pitch-angle-rad</output>
      <output>propulsion/engine[1]/pitch-angle-rad</output>
    </actuator>

  </channel>

  <channel name="Roll">

  </channel>

  <channel name="Yaw">

    <switch name="fcs/yaw-output-selector">
      <default value="0.0"/>
      <test logic="OR" value="control/yaw-gain">
        guidance/executive/current-mode eq 0 <!-- Vertical rise mode                 -->
        guidance/executive/current-mode eq 1 <!-- Roll-to-heading mode               -->
        guidance/executive/current-mode eq 2 <!-- Gravity turn angle pitch rate mode -->
        guidance/executive/current-mode eq 3 <!-- Gravity turn zero beta mode        -->
        guidance/executive/current-mode eq 4 <!-- Zero alpha zero beta mode          -->
        guidance/executive/current-mode eq 5 <!-- Second stage                       -->
      </test>
    </switch>

    <pure_gain name="fcs/yaw-actuator-cmd">
      <input>fcs/yaw-output-selector</input>
      <gain>1.0</gain>
    </pure_gain>

    <actuator name="fcs/yaw-actuator-pos">
      <input>fcs/yaw-actuator-cmd</input>
      <lag> 60 </lag>
      <bias> 0.0011 </bias>
      <hysteresis_width> 0.0017 </hysteresis_width>
      <rate_limit> 0.085 </rate_limit>
      <clipto>
        <min> -0.17 </min>
        <max>  0.17 </max>
      </clipto>
      <output>propulsion/engine[0]/yaw-angle-rad</output>
      <output>propulsion/engine[1]/yaw-angle-rad</output>
    </actuator>

  </channel>

</system>