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reset position at start when slowed down, retain rotated iTerm back

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This commit is contained in:
ctzsnooze 2024-10-16 10:04:07 +11:00
parent 7cdad7323d
commit 48b39c92ae
1 changed files with 13 additions and 10 deletions
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23
src/main/flight/autopilot.c
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@ -190,14 +190,17 @@ bool positionControl(gpsLocation_t targetLocation, float deadband) {
// once it has 'stopped' the PIDs will push back towards home, and the distance error will decrease
// it looks a lot better if we reset the target point to the point that we 'pull up' at
// otherwise there is a big distance to pull back if we start pos hold while carrying some speed
if (posHold.justStarted && distanceCm > posHold.previousDistanceCm) {
if (posHold.justStarted && distanceCm < posHold.previousDistanceCm) {
targetLocation = gpsSol.llh;
resetPositionControl();
posHold.justStarted = false;
}
posHold.previousDistanceCm = distanceCm;
// simple (very simple) sanity check, mostly to detect flyaway from no Mag or badly oriented Mag
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 3, lrintf(gpsDataIntervalHz * 100));
// simple (very simple) sanity check
// primarily to detect flyaway from no Mag or badly oriented Mag
// TODO - maybe figure how to make a better check by giving more leeway at the start?
if (distanceCm > 1000) {
return false; // must stay within 10m or probably flying away
@ -300,15 +303,15 @@ bool positionControl(gpsLocation_t targetLocation, float deadband) {
// calculate distance based attenuator for iTerm out, but retain the rotated iTerm factors
const float absDistanceRoll = fabsf(distanceRoll);
const float absDistancePitch = fabsf(distancePitch);
const float rollIAttenuator = (absDistanceRoll < 200.0f) ? absDistanceRoll / 200.0f : 1.0f;
const float pitchIAttenuator = (absDistancePitch < 200.0f) ? absDistancePitch / 200.0f : 1.0f;
const float rollIAttenuator = (absDistanceRoll < 100.0f) ? absDistanceRoll / 100.0f : 1.0f;
const float pitchIAttenuator = (absDistancePitch < 100.0f) ? absDistancePitch / 100.0f : 1.0f;
posHold.rollI = rotatedRollI * rollIAttenuator;
posHold.pitchI = rotatedPitchI * pitchIAttenuator;
posHold.rollI = rotatedRollI;
posHold.pitchI = rotatedPitchI;
// add up pid factors
const float pidSumRoll = rollP + posHold.rollI + rollD + rollJ;
const float pidSumPitch = pitchP + posHold.pitchI + pitchD + pitchJ;
const float pidSumRoll = rollP + posHold.rollI * rollIAttenuator + rollD + rollJ;
const float pidSumPitch = pitchP + posHold.pitchI * pitchIAttenuator + pitchD + pitchJ;
// todo: upsample filtering
// pidSum will have steps at GPS rate, and may require an upsampling filter for smoothness.
@ -329,14 +332,14 @@ bool positionControl(gpsLocation_t targetLocation, float deadband) {
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 1, lrintf(distanceRoll));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 2, lrintf(posHoldAngle[AI_ROLL] * 10));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 4, lrintf(rollP * 10)); // degrees*10
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 5, lrintf(posHold.rollI * 10));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 5, lrintf(posHold.rollI * rollIAttenuator * 10));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 6, lrintf(rollD * 10));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 7, lrintf(rollJ * 10));
} else {
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 1, lrintf(distancePitch));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 2, lrintf(posHoldAngle[AI_PITCH] * 10));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 4, lrintf(pitchP * 10)); // degrees*10
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 5, lrintf(posHold.pitchI * 10));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 5, lrintf(posHold.pitchI * pitchIAttenuator * 10));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 6, lrintf(pitchD * 10));
DEBUG_SET(DEBUG_AUTOPILOT_POSITION, 7, lrintf(pitchJ * 10));
}