Resolution3.xml
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<?xml version="1.0"?>
<!-- Autopilot for Resolutionh -->
<!-- Each component is evaluated in the order specified. You can make up -->
<!-- property names to pass the result of one component on to a subsequent -->
<!-- component. -->
<PropertyList>
<!-- =============================================================== -->
<!-- Roll Axis Modes -->
<!-- =============================================================== -->
<!-- Wing leveler -->
<pid-controller>
<name>Wing Leveler (Turn Coordinator based)</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/heading</prop>
<value>wing-leveler</value>
</enable>
<input>
<prop>/orientation/roll-deg</prop>
</input>
<reference>
<value>0.0</value>
</reference>
<output>
<prop>/controls/flight/aileron</prop>
</output>
<config>
<Kp>0.05</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>0.5</Ti> <!-- integrator time -->
<Td>0.01</Td> <!-- derivator time -->
<u_min>-1.0</u_min> <!-- minimum output clamp -->
<u_max>1.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- Bank hold -->
<pid-controller>
<name>Bank Hold</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/heading</prop>
<value>bank-hold</value>
</enable>
<input>
<prop>/orientation/roll-deg</prop>
</input>
<reference>
<prop>/autopilot/settings/target-bank-deg</prop>
</reference>
<output>
<prop>/controls/flight/aileron</prop>
</output>
<config>
<Kp>0.05</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>1.0</Ti> <!-- integrator time -->
<Td>0.01</Td> <!-- derivator time -->
<u_min>-1.0</u_min> <!-- minimum output clamp -->
<u_max>1.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- Heading Bug Hold. 2 stage cascade controller. -->
<!-- Stage #1 sets target roll based on diff between current heading -->
<!-- and heading bug. -->
<pid-controller>
<name>Heading Bug Hold (DG based) Stage 1</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/heading</prop>
<value>dg-heading-hold</value>
</enable>
<input>
<prop>/autopilot/internal/fdm-heading-bug-error-deg</prop>
</input>
<reference>
<value>0.0</value>
</reference>
<output>
<prop>/autopilot/internal/target-roll-deg</prop>
</output>
<config>
<Kp>-0.1</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>10.0</Ti> <!-- integrator time -->
<Td>0.00001</Td> <!-- derivator time -->
<u_min>-20.0</u_min> <!-- minimum output clamp -->
<u_max>20.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- Stage #2 drives the ailerons to achieve the desired roll deg. -->
<pid-controller>
<name>Heading Bug Hold (DG based) Stage 2</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/heading</prop>
<value>dg-heading-hold</value>
</enable>
<input>
<prop>/orientation/roll-deg</prop>
</input>
<reference>
<prop>/autopilot/internal/target-roll-deg</prop>
</reference>
<output>
<prop>/controls/flight/aileron</prop>
</output>
<config>
<Kp>0.05</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>1.0</Ti> <!-- integrator time -->
<Td>0.01</Td> <!-- derivator time -->
<u_min>-1.0</u_min> <!-- minimum output clamp -->
<u_max>1.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- True Heading hold. 2 stage cascade controller. -->
<!-- Stage #1 sets target roll based on diff between current heading -->
<!-- and target heading. -->
<pid-controller>
<name>True Heading Hold (DG based) Stage 1</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/heading</prop>
<value>true-heading-hold</value>
</enable>
<input>
<prop>/autopilot/internal/true-heading-error-deg</prop>
</input>
<reference>
<value>0.0</value>
</reference>
<output>
<prop>/autopilot/internal/target-roll-deg</prop>
</output>
<config>
<Kp>-2.0</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>2.5</Ti> <!-- integrator time -->
<Td>0.0000001</Td> <!-- derivator time -->
<u_min>-20.0</u_min> <!-- minimum output clamp -->
<u_max>20.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- Stage #2 drives the ailerons to achieve the desired roll deg. -->
<pid-controller>
<name>True Heading Hold (DG based) Stage 2</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/heading</prop>
<value>true-heading-hold</value>
</enable>
<input>
<prop>/orientation/roll-deg</prop>
</input>
<reference>
<prop>/autopilot/internal/target-roll-deg</prop>
</reference>
<output>
<prop>/controls/flight/aileron</prop>
</output>
<config>
<Kp>0.05</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>1.0</Ti> <!-- integrator time -->
<Td>0.01</Td> <!-- derivator time -->
<u_min>-0.25</u_min> <!-- minimum output clamp -->
<u_max>0.25</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- Nav1 hold. 2 stage cascade controller. -->
<!-- Stage #1 sets target roll based on diff between current heading -->
<!-- and target heading. -->
<pid-controller>
<name>Nav1 Hold Stage 1</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/heading</prop>
<value>nav1-hold</value>
</enable>
<input>
<prop>/autopilot/internal/nav1-heading-error-deg</prop>
</input>
<reference>
<value>0.0</value>
</reference>
<output>
<prop>/autopilot/internal/target-roll-deg</prop>
</output>
<config>
<Kp>-1.0</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>10.0</Ti> <!-- integrator time -->
<Td>0.00001</Td> <!-- derivator time -->
<u_min>-20.0</u_min> <!-- minimum output clamp -->
<u_max>20.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- Stage #2 drives the ailerons to achieve the desired roll deg. -->
<pid-controller>
<name>Nav1 Hold Stage 2</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/heading</prop>
<value>nav1-hold</value>
</enable>
<input>
<prop>/orientation/roll-deg</prop>
</input>
<reference>
<prop>/autopilot/internal/target-roll-deg</prop>
</reference>
<output>
<prop>/controls/flight/aileron</prop>
</output>
<config>
<Kp>0.05</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>1.0</Ti> <!-- integrator time -->
<Td>0.01</Td> <!-- derivator time -->
<u_min>-1.0</u_min> <!-- minimum output clamp -->
<u_max>1.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- =============================================================== -->
<!-- Altitude Hold -->
<!-- =============================================================== -->
<!-- drive the throttle based on altitude error. -->
<pid-controller>
<name>Altitude Hold (Altimeter based) Stage 2</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/altitude</prop>
<value>throttle</value>
</enable>
<input>
<prop>/position/altitude-ft</prop>
</input>
<reference>
<prop>/autopilot/settings/target-altitude-ft</prop>
<!-- <value>1000</value> -->
</reference>
<output>
<prop>/controls/engines/engine[0]/throttle</prop>
</output>
<config>
<Kp>0.01</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>10.0</Ti> <!-- integrator time -->
<Td>0.000001</Td> <!-- derivator time -->
<u_min>0.0</u_min> <!-- minimum output clamp -->
<u_max>1.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- Throttle based vertical speed hold -->
<pid-controller>
<name>Vertical Speed</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/altitude</prop>
<value>vertical-speed-hold</value>
</enable>
<input>
<prop>/velocities/vertical-speed-fps</prop>
</input>
<reference>
<prop>/autopilot/settings/target-rate-of-climb</prop>
</reference>
<output>
<prop>/controls/engines/engine[0]/throttle</prop>
</output>
<config>
<Kp>0.08</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.1</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>20.0</Ti> <!-- integrator time -->
<Td>0.00001</Td> <!-- derivator time -->
<u_min>0.0</u_min> <!-- minimum output clamp -->
<u_max>1.0</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
<!-- =============================================================== -->
<!-- Pitch Axis Modes -->
<!-- =============================================================== -->
<!-- Stage 1, command a pitch rate based on velocity error -->
<pi-simple-controller>
<name>Speed hold (vary elevator)</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/speed</prop>
<value>elevatorblahblah</value>
</enable>
<input>
<prop>/velocities/airspeed-kt</prop>
</input>
<reference>
<prop>/autopilot/settings/target-speed-kt</prop>
</reference>
<output>
<prop>/autopilot/settings/target-the-dot</prop>
</output>
<config>
<!-- increased gains to produce a more aggressive target pitch rate -->
<Kp>-0.3</Kp> <!-- prop gain: 5 kt error = 4 deg/sec-->
<Ki>0.0</Ki> <!-- integral gain -->
<u_min>-10</u_min> <!-- minimum output clamp (-4 deg/sec) -->
<u_max>10</u_max> <!-- maximum output clamp (+8 deg/sec)-->
</config>
</pi-simple-controller>
<!-- Stage 2, command elevator to achieve target pitch rate -->
<pid-controller>
<name>Speed hold (vary elevator)</name>
<debug>false</debug>
<enable>
<prop>/autopilot/locks/speed</prop>
<value>elevator</value>
</enable>
<input>
<prop>/velocities/airspeed-noisy-kt</prop>
</input>
<reference>
<prop>/autopilot/settings/target-speed-kt</prop>
</reference>
<output>
<prop>/controls/flight/elevator</prop>
</output>
<config>
<!-- 4/4/2013 P=0.1 I=0.20, correct elevator sense, mostly convergent, about 2hz oscillations though in elevator and pitch rate, dial down a bit? -->
<!-- 4/7/2013 P=0.08 I=0.50, correct elevator sense, mostly convergent, still seems like a lot of oscillatiions? -->
<!-- 4/8/2013 P=0.05 I=0.50, -->
<Kp>0.06</Kp> <!-- proportional gain -->
<beta>1.0</beta> <!-- input value weighing factor -->
<alpha>0.5</alpha> <!-- low pass filter weighing factor -->
<gamma>0.0</gamma> <!-- input value weighing factor for -->
<!-- unfiltered derivative error -->
<Ti>3.0</Ti> <!-- integrator time -->
<Td>0.5</Td> <!-- derivator time -->
<u_min>-0.50</u_min> <!-- minimum output clamp -->
<u_max>-0.10</u_max> <!-- maximum output clamp -->
</config>
</pid-controller>
</PropertyList>