jsbsim.js/JSBSim/aircraft/ah1s/Systems/trim_control.xml

JSBSim flight dynamics model ported to JavaScript

<system name="trim control">
<!-- 
  Utility system:
    used to switch between 'piloted' (manual) and table based flight,
    unneeded for interactive use.
-->

  <property value="0.0"> fcs/automatic/steady-flight-data-enable </property>
  <property value="0.0"> fcs/manual/collective-trim-cmd-norm </property>
  <property value="0.0"> fcs/manual/pitch-trim-cmd-norm </property>
  <property value="0.0"> fcs/manual/roll-trim-cmd-norm </property>
  <property value="0.0"> fcs/manual/yaw-trim-cmd-norm </property>
  <property value="0.0"> ap/afcs/manual/phi-trim-rad </property>
  <property value="0.0"> ap/afcs/manual/theta-trim-rad </property>

  <channel name='control_wiring'>

    <fcs_function name='fcs/automatic/collective-trim-cmd-norm-func'>
      <function>
        <sum>
          <property> fcs/manual/collective-trim-cmd-norm </property>
          <product>
            <property> fcs/automatic/steady-flight-data-enable </property>
            <property> fcs/automatic/collective-trim-cmd-norm </property>
          </product>
        </sum>
      </function>
      <output> fcs/collective-trim-cmd-norm </output>
    </fcs_function>

    <fcs_function name='fcs/automatic/pitch-trim-cmd-norm-func'>
      <function>
        <sum>
          <property> fcs/manual/pitch-trim-cmd-norm </property>
          <product>
            <property> fcs/automatic/steady-flight-data-enable </property>
            <property> fcs/automatic/pitch-trim-cmd-norm </property>
          </product>
        </sum>
      </function>
      <output> fcs/pitch-trim-cmd-norm </output>
    </fcs_function>

    <fcs_function name='fcs/automatic/roll-trim-cmd-norm-func'>
      <function>
        <sum>
          <property> fcs/manual/roll-trim-cmd-norm </property>
          <product>
            <property> fcs/automatic/steady-flight-data-enable </property>
            <property> fcs/automatic/roll-trim-cmd-norm </property>
          </product>
        </sum>
      </function>
      <output> fcs/roll-trim-cmd-norm </output>
    </fcs_function>

    <fcs_function name='fcs/automatic/yaw-trim-cmd-norm-func'>
      <function>
        <sum>
          <property> fcs/manual/yaw-trim-cmd-norm </property>
          <product>
            <property> fcs/automatic/steady-flight-data-enable </property>
            <property> fcs/automatic/yaw-trim-cmd-norm </property>
          </product>
        </sum>
      </function>
      <output> fcs/yaw-trim-cmd-norm </output>
    </fcs_function>

    <fcs_function name='ap/afcs/phi-trim-rad-func'>
      <function>
        <sum>
          <property> ap/afcs/manual/phi-trim-rad </property>
          <product>
            <property> fcs/automatic/steady-flight-data-enable </property>
            <property> ap/afcs/automatic/phi-trim-rad </property>
          </product>
        </sum>
      </function>
      <output> ap/afcs/phi-trim-rad </output>
    </fcs_function>

    <fcs_function name='ap/afcs/theta-trim-rad-func'>
      <function>
        <sum>
          <property> ap/afcs/manual/theta-trim-rad </property>
          <product>
            <property> fcs/automatic/steady-flight-data-enable </property>
            <property> ap/afcs/automatic/theta-trim-rad </property>
          </product>
        </sum>
      </function>
      <output> ap/afcs/theta-trim-rad </output>
    </fcs_function>

  </channel>

</system>