fgdata/Aircraft/Generic/generic-autopilot-helper.xml

<?xml version="1.0"?>
<!-- 
     These are the autopilot helpers, currently implemented
     in the c++ code of xmlauto.cxx.
     These will take over the functionality of the hard
     coded helpers, once they are removed and this file
     has been added as an autopilot to preferences.xml
-->
 
<PropertyList>

  <filter>
    <name>heading bug error computer/normalizer</name>
    <debug>false</debug>
    <type>gain</type>
    <input>
      <property>autopilot/settings/heading-bug-deg</property>
      <offset>
        <property>orientation/heading-magnetic-deg</property>
        <scale>-1.0</scale>
      </offset>
    </input>
    <output>autopilot/internal/heading-bug-error-deg</output>
    <output>autopilot/internal/fdm-heading-bug-error-deg</output>
    <period>
      <min>-180</min>
      <max>180</max>
    </period>
    <gain>1.0</gain>
  </filter>

  <filter>
    <name>true heading error computer/normalizer</name>
    <debug>false</debug>
    <type>gain</type>
    <input>
      <property>autopilot/settings/true-heading-deg</property>
      <offset>
        <property>orientation/heading-deg</property>
        <scale>-1.0</scale>
      </offset>
    </input>
    <output>autopilot/internal/true-heading-error-deg</output>
    <period>
      <min>-180</min>
      <max>180</max>
    </period>
    <gain>1.0</gain>
  </filter>

  <filter>
    <name>nav1 heading error computer/normalizer</name>
    <debug>false</debug>
    <type>gain</type>
    <input>
      <property>instrumentation/nav[0]/radials/target-auto-hdg-deg</property>
      <offset>
        <property>orientation/heading-deg</property>
        <scale>-1.0</scale>
      </offset>
    </input>
    <output>autopilot/internal/nav1-heading-error-deg</output>
    <period>
      <min>-180</min>
      <max>180</max>
    </period>
    <gain>1.0</gain>
  </filter>

  <filter>
    <name>nav1 selected course error computer/normalizer</name>
    <debug>false</debug>
    <type>gain</type>
    <input>
      <property>instrumentation/nav[0]/radials/selected-deg</property>
      <offset>
        <property>orientation/heading-magnetic-deg</property>
        <scale>-1.0</scale>
      </offset>
    </input>
    <output>autopilot/internal/nav1-course-error</output>
    <period>
      <min>-180</min>
      <max>180</max>
    </period>
    <gain>1.0</gain>
  </filter>

  <filter>
    <name>vertical speed fpm computer</name>
    <debug>false</debug>
    <type>gain</type>
    <input>velocities/vertical-speed-fps</input>
    <output>autopilot/internal/vert-speed-fpm</output>
    <gain>60.0</gain>
  </filter>

  <predict-simple>
    <name>speed in 5 seconds predictor</name>
    <debug>false</debug>
    <input>velocities/airspeed-kt</input>
    <output>autopilot/internal/lookahead-5-sec-airspeed-kt</output>
    <seconds>5.0</seconds>
    <filter-gain>0.0</filter-gain>
  </predict-simple>

  <predict-simple>
    <name>speed in 10 seconds predictor</name>
    <debug>false</debug>
    <input>velocities/airspeed-kt</input>
    <output>autopilot/internal/lookahead-10-sec-airspeed-kt</output>
    <seconds>10.0</seconds>
    <filter-gain>0.0</filter-gain>
  </predict-simple>

  <filter>
    <name>static port pressure rate computer</name>
    <debug>false</debug>
    <type>derivative</type>
    <input>systems/static[0]/pressure-inhg</input>
    <output>autopilot/internal/pressure-rate</output>
    <filter-time>1.0</filter-time>
  </filter>

  <filter>
    <name>nav1 track error computer</name>
    <debug>false</debug>
    <type>gain</type>
    <input>
      <property>instrumentation/nav[0]/radials/target-auto-hdg-deg</property>
      <offset>
        <property>orientation/track-deg</property>
        <scale>-1.0</scale>
      </offset>
    </input>
    <output>autopilot/internal/nav1-track-error-deg</output>
    <period>
      <min>-180</min>
      <max>180</max>
    </period>
    <gain>1.0</gain>
  </filter>

</PropertyList>