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Code Issues Releases Activity

LP-604 Add a feed forward term to Stabilization outer loop

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This commit is contained in:
Eric Price 2018-10-18 19:15:28 +02:00
parent aba11f0e10
commit 73ba9ff589
5 changed files with 12 additions and 0 deletions
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8
flight/modules/Stabilization/outerloop.c
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@ -38,6 +38,7 @@
#include <ratedesired.h>
#include <stabilizationdesired.h>
#include <attitudestate.h>
#include <gyrostate.h>
#include <stabilizationstatus.h>
#include <flightstatus.h>
#include <manualcontrolcommand.h>
@ -78,6 +79,7 @@ void stabilizationOuterloopInit()
RateDesiredInitialize();
StabilizationDesiredInitialize();
AttitudeStateInitialize();
GyroStateInitialize();
StabilizationStatusInitialize();
FlightStatusInitialize();
ManualControlCommandInitialize();
@ -97,11 +99,13 @@ void stabilizationOuterloopInit()
static void stabilizationOuterloopTask()
{
AttitudeStateData attitudeState;
GyroStateData gyroState;
RateDesiredData rateDesired;
StabilizationDesiredData stabilizationDesired;
StabilizationStatusOuterLoopData enabled;
AttitudeStateGet(&attitudeState);
GyroStateGet(&gyroState);
StabilizationDesiredGet(&stabilizationDesired);
RateDesiredGet(&rateDesired);
StabilizationStatusOuterLoopGet(&enabled);
@ -190,6 +194,10 @@ static void stabilizationOuterloopTask()
#endif /* if defined(PIOS_QUATERNION_STABILIZATION) */
}
// Feed forward: Assume things always get worse before they get better
local_error[0] = local_error[0] - (gyroState.x * stabSettings.stabBank.AttitudeFeedForward.Roll);
local_error[1] = local_error[1] - (gyroState.y * stabSettings.stabBank.AttitudeFeedForward.Pitch);
local_error[2] = local_error[2] - (gyroState.z * stabSettings.stabBank.AttitudeFeedForward.Yaw);
for (t = STABILIZATIONSTATUS_OUTERLOOP_ROLL; t < STABILIZATIONSTATUS_OUTERLOOP_THRUST; t++) {
reinit = (StabilizationStatusOuterLoopToArray(enabled)[t] != previous_mode[t]);

1
shared/uavobjectdefinition/stabilizationbank.xml
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@ -8,6 +8,7 @@
<field name="ManualRate" units="degrees/sec" type="uint16" elementnames="Roll,Pitch,Yaw" defaultvalue="150,150,175" limits="%BE:0:500; %BE:0:500; %BE:0:500"/>
<field name="MaximumRate" units="degrees/sec" type="uint16" elementnames="Roll,Pitch,Yaw" defaultvalue="300,300,50" limits="%BE:0:500; %BE:0:500; %BE:0:500"/>
<field name="StickExpo" units="percent" type="int8" elementnames="Roll,Pitch,Yaw" defaultvalue="0,0,0" limits="%BE:-100:100; %BE:-100:100; %BE:-100:100"/>
<field name="AttitudeFeedForward" units="sec" type="float" elementnames="Roll,Pitch,Yaw" defaultvalue="0,0,0" limits="%BE:0:10; %BE:0:10; %BE:0:10;"/>
<field name="RollRatePID" units="" type="float" elementnames="Kp,Ki,Kd,ILimit" defaultvalue="0.0030,0.0065,0.000033,0.3" limits="%BE:0:0.01; %BE:0:0.025; ; "/>
<field name="PitchRatePID" units="" type="float" elementnames="Kp,Ki,Kd,ILimit" defaultvalue="0.0030,0.0065,0.000033,0.3" limits="%BE:0:0.01; %BE:0:0.025; ; "/>

1
shared/uavobjectdefinition/stabilizationsettingsbank1.xml
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@ -8,6 +8,7 @@
<field name="ManualRate" units="degrees/sec" type="uint16" elementnames="Roll,Pitch,Yaw" defaultvalue="220,220,220" limits="%BE:0:500; %BE:0:500; %BE:0:500"/>
<field name="MaximumRate" units="degrees/sec" type="uint16" elementnames="Roll,Pitch,Yaw" defaultvalue="300,300,300" limits="%BE:0:500; %BE:0:500; %BE:0:500"/>
<field name="StickExpo" units="percent" type="int8" elementnames="Roll,Pitch,Yaw" defaultvalue="0,0,0" limits="%BE:-100:100; %BE:-100:100; %BE:-100:100"/>
<field name="AttitudeFeedForward" units="sec" type="float" elementnames="Roll,Pitch,Yaw" defaultvalue="0,0,0" limits="%BE:0:10; %BE:0:10; %BE:0:10;"/>
<field name="RollRatePID" units="" type="float" elementnames="Kp,Ki,Kd,ILimit" defaultvalue="0.0030,0.0065,0.000033,0.3" limits="%BE:0:0.01; %BE:0:0.025; ; "/>
<field name="PitchRatePID" units="" type="float" elementnames="Kp,Ki,Kd,ILimit" defaultvalue="0.0030,0.0065,0.000033,0.3" limits="%BE:0:0.01; %BE:0:0.025; ; "/>

1
shared/uavobjectdefinition/stabilizationsettingsbank2.xml
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@ -8,6 +8,7 @@
<field name="ManualRate" units="degrees/sec" type="uint16" elementnames="Roll,Pitch,Yaw" defaultvalue="220,220,220" limits="%BE:0:500; %BE:0:500; %BE:0:500"/>
<field name="MaximumRate" units="degrees/sec" type="uint16" elementnames="Roll,Pitch,Yaw" defaultvalue="300,300,300" limits="%BE:0:500; %BE:0:500; %BE:0:500"/>
<field name="StickExpo" units="percent" type="int8" elementnames="Roll,Pitch,Yaw" defaultvalue="0,0,0" limits="%BE:-100:100; %BE:-100:100; %BE:-100:100"/>
<field name="AttitudeFeedForward" units="sec" type="float" elementnames="Roll,Pitch,Yaw" defaultvalue="0,0,0" limits="%BE:0:10; %BE:0:10; %BE:0:10;"/>
<field name="RollRatePID" units="" type="float" elementnames="Kp,Ki,Kd,ILimit" defaultvalue="0.0030,0.0065,0.000033,0.3" limits="%BE:0:0.01; %BE:0:0.025; ; "/>
<field name="PitchRatePID" units="" type="float" elementnames="Kp,Ki,Kd,ILimit" defaultvalue="0.0030,0.0065,0.000033,0.3" limits="%BE:0:0.01; %BE:0:0.025; ; "/>

1
shared/uavobjectdefinition/stabilizationsettingsbank3.xml
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@ -8,6 +8,7 @@
<field name="ManualRate" units="degrees/sec" type="uint16" elementnames="Roll,Pitch,Yaw" defaultvalue="220,220,220" limits="%BE:0:500; %BE:0:500; %BE:0:500"/>
<field name="MaximumRate" units="degrees/sec" type="uint16" elementnames="Roll,Pitch,Yaw" defaultvalue="300,300,300" limits="%BE:0:500; %BE:0:500; %BE:0:500"/>
<field name="StickExpo" units="percent" type="int8" elementnames="Roll,Pitch,Yaw" defaultvalue="0,0,0" limits="%BE:-100:100; %BE:-100:100; %BE:-100:100"/>
<field name="AttitudeFeedForward" units="sec" type="float" elementnames="Roll,Pitch,Yaw" defaultvalue="0,0,0" limits="%BE:0:10; %BE:0:10; %BE:0:10;"/>
<field name="RollRatePID" units="" type="float" elementnames="Kp,Ki,Kd,ILimit" defaultvalue="0.0030,0.0065,0.000033,0.3" limits="%BE:0:0.01; %BE:0:0.025; ; "/>
<field name="PitchRatePID" units="" type="float" elementnames="Kp,Ki,Kd,ILimit" defaultvalue="0.0030,0.0065,0.000033,0.3" limits="%BE:0:0.01; %BE:0:0.025; ; "/>