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LibrePilot/shared/uavobjectdefinition/fixedwingpathfollowersettings.xml

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<xml>
<object name="FixedWingPathFollowerSettings" singleinstance="true" settings="true" category="Control">
<description>Settings for the @ref FixedWingPathFollowerModule</description>
<!-- these coefficients control desired movement in airspace -->
<field name="HorizontalVelMax" units="m/s" type="float" elements="1" defaultvalue="20"/>
<!-- Maximum speed the autopilot will try to achieve, usually for long distances -->
<field name="HorizontalVelMin" units="m/s" type="float" elements="1" defaultvalue="10"/>
<!-- V_y, Minimum speed the autopilot will try to fly, for example when loitering -->
<field name="VerticalVelMax" units="m/s" type="float" elements="1" defaultvalue="10"/>
<!-- maximum allowed climb or sink rate in guided flight-->
<field name="CourseFeedForward" units="s" type="float" elements="1" defaultvalue="3.0"/>
<!-- how many seconds to plan the flight vector ahead when initiating necessary heading changes - increase for planes with sluggish response -->
<field name="ReverseCourseOverlap" units="deg" type="float" elements="1" defaultvalue="20.0"/>
<!-- how big the overlapping area behind the plane is, where, if the desired course lies behind, the current bank angle will determine if the plane goes left or right -->
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<field name="HorizontalPosP" units="(m/s)/m" type="float" elements="1" defaultvalue="0.05"/>
<!-- proportional coefficient for correction vector in path vector field to get back on course - reduce for fast planes to prevent course oscillations -->
<field name="VerticalPosP" units="(m/s)/m" type="float" elements="1" defaultvalue="0.2"/>
<!-- proportional coefficient for desired vertical speed in relation to altitude displacement-->
<!-- these coefficients control actual control outputs -->
<field name="CoursePI" units="deg/deg" type="float" elements="3" elementnames="Kp,Ki,ILimit" defaultvalue="0.2, 0, 0"/>
<!-- coefficients for desired bank angle in relation to ground bearing error - this controls heading -->
<field name="SpeedPI" units="deg / (m/s)" type="float" elements="3" elementnames="Kp,Ki,ILimit" defaultvalue="2.5, .25, 10"/>
<!-- coefficients for desired pitch
in relation to speed error IASerror -->
<field name="VerticalToPitchCrossFeed" units="deg / (m/s)" type="float" elementnames="Kp,Max" defaultvalue="5, 10"/>
<!-- coefficients for adjusting desired pitch
in relation to "vertical speed error -->
<field name="AirspeedToPowerCrossFeed" units="1 / (m/s)" type="float" elementnames="Kp,Max" defaultvalue="0.2, 1"/>
<!-- proportional coefficient for adjusting vertical speed error for power calculation
in relation to airspeed error IASerror -->
<field name="PowerPI" units="1/(m/s)" type="float" elements="3" elementnames="Kp,Ki,ILimit" defaultvalue="0.01,0.05,0.5"/>
<!-- proportional coefficient for desired thrust
in relation to vertical speed error (absolute but including crossfeed) -->
<!-- output limits -->
<field name="RollLimit" units="deg" type="float" elements="3" elementnames="Min,Neutral,Max" defaultvalue="-35,0,35" />
<!-- maximum allowed bank angles in navigates flight -->
<field name="PitchLimit" units="deg" type="float" elements="3" elementnames="Min,Neutral,Max" defaultvalue="-10,5,20" />
<!-- maximum allowed pitch angles and setpoint for neutral pitch -->
<field name="ThrustLimit" units="" type="float" elements="3" elementnames="Min,Neutral,Max" defaultvalue="0.1,0.5,0.9" />
<!-- minimum and maximum allowed thrust and setpoint for cruise speed -->
<field name="Safetymargins" units="" type="float"
elementnames="Wind, Stallspeed, Lowspeed, Highspeed, Overspeed, Lowpower, Highpower, Pitchcontrol"
defaultvalue="90, 1.0, 0.5, 1.5, 1.0, 1, 1, 1" />
<!-- Wind: degrees of crabbing allowed
Speeds: percentage (1.0=100%) of the limit to be over/onder
Power & Control: flag to turn on/off 0.0 =off 1.0 = on -->
<field name="UpdatePeriod" units="ms" type="int32" elements="1" defaultvalue="100"/>
<access gcs="readwrite" flight="readwrite"/>
<telemetrygcs acked="true" updatemode="onchange" period="0"/>
<telemetryflight acked="true" updatemode="onchange" period="0"/>
<logging updatemode="manual" period="0"/>
</object>
</xml>