jsbsim.js/JSBSim/scripts/sim_primer.xml

JSBSim flight dynamics model ported to JavaScript

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="http://jsbsim.sf.net/JSBSimScript.xsl"?>

<!--
     primer for scripted helicopter flights.
-->


<runscript
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:noNamespaceSchemaLocation="http://jsbsim.sf.net/JSBSimScript.xsd" 
    name="sim primer"> 

  <use aircraft="ah1s" initialize="reset00"/>

  <run start="0.0" end="100.0" dt="0.0083333">

    <property> simulation/notify-time-trigger </property>

    <event name="Time Notify" persistent="true">
      <description>Output message at intervals</description>
      <condition> simulation/sim-time-sec ge simulation/notify-time-trigger </condition>
      <set name="simulation/notify-time-trigger" value="5.0" type="FG_DELTA"/>
      <notify>
        <property> velocities/vc-kts</property>
      </notify>
    </event>

    <event name="Setup">
      <condition>simulation/sim-time-sec ge 0.2</condition>
      <set name="propulsion/tank/contents-lbs" value="400.0" action="FG_RAMP" tc="0.05"/>
      <set name="fcs/mixture-cmd-norm[0]" value="0.00" action="FG_RAMP" tc="0.05"/>
      <set name="fcs/advance-cmd-norm[0]" value="0.00" action="FG_RAMP" tc="0.05"/>
      <set name="fcs/throttle-cmd-norm[0]" value="0.00" action="FG_RAMP" tc="0.01"/>
      <set name="fcs/aileron-cmd-norm" value="0.0" action="FG_RAMP" tc="0.01"/>
      <set name="fcs/elevator-cmd-norm" value="0.0" action="FG_RAMP" tc="0.01"/>
      <set name="fcs/rudder-cmd-norm" value="0.0" action="FG_RAMP" tc="0.01"/>
      <set name="ap/afcs/psi-trim-rad" value="1.0" action="FG_RAMP" tc="0.01"/>
      <set name="ap/afcs/x-lat-trim" value="-0.0100" action="FG_RAMP" tc="0.01"/>
      <set name="ap/afcs/x-lon-trim" value="0.0558" action="FG_RAMP" tc="0.01"/>
      <set name="ap/afcs/h-agl-trim-ft" value="50.0" action="FG_RAMP" tc="0.01"/>
      <set name="propulsion/set-running" value="-1"/>
      <!-- do not use this with the electric_engine substitute
      <set name="propulsion/starter_cmd" value="1"/>
      -->
      <notify/>
    </event>

    <event name="hello world">
      <condition>simulation/sim-time-sec  ge  1</condition>
      <notify/>
    </event>

    <event name="engage rpm governor">
      <condition>simulation/sim-time-sec  ge  3</condition>
      <set name="fcs/rpm-governor-active-norm" value="1.0" action="FG_RAMP" tc="1.0"/>
      <notify/>
    </event>

    <event name="engage yaw afcs">
      <condition> simulation/sim-time-sec  ge  8 </condition>
      <set name="ap/afcs/yaw-channel-active-norm" value="1.0" action="FG_RAMP" tc="3.0"/>
      <notify/>
    </event>

    <event name="engage pitch'n'roll afcs">
      <condition>simulation/sim-time-sec  ge  20</condition>
      <set name="ap/afcs/pitch-channel-active-norm" value="1.0" action="FG_RAMP" tc="3.0"/>
      <set name="ap/afcs/roll-channel-active-norm" value="1.0" action="FG_RAMP" tc="3.0"/>
      <notify/>
    </event>

    <event name="off_bottom">
      <condition>
         simulation/sim-time-sec  ge  1
         forces/fbx-gear-lbs eq 0
         forces/fby-gear-lbs eq 0
         forces/fbz-gear-lbs eq 0
      </condition>
      <notify>
        <property>fcs/mixture-cmd-norm</property>
        <property>ap/afcs/altitude-error-input</property>
        <property>ap/collective-cmd</property>
        <property>velocities/vc-kts</property>
        <property>position/h-agl-ft</property>
      </notify>
    </event>

  </run>

</runscript>