diff options
| -rw-r--r-- | src/modules/fw_pos_control_l1/mtecs/mTecs.cpp | 19 | ||||
| -rw-r--r-- | src/modules/fw_pos_control_l1/mtecs/mTecs.h | 34 | ||||
| -rw-r--r-- | src/modules/fw_pos_control_l1/mtecs/mTecs_params.c | 7 | ||||
| -rw-r--r-- | src/modules/sdlog2/sdlog2.c | 1 | ||||
| -rw-r--r-- | src/modules/sdlog2/sdlog2_messages.h | 3 | ||||
| -rw-r--r-- | src/modules/uORB/topics/tecs_status.h | 1 |
6 files changed, 43 insertions, 22 deletions
diff --git a/src/modules/fw_pos_control_l1/mtecs/mTecs.cpp b/src/modules/fw_pos_control_l1/mtecs/mTecs.cpp index 48c9079a4..fc0a2551c 100644 --- a/src/modules/fw_pos_control_l1/mtecs/mTecs.cpp +++ b/src/modules/fw_pos_control_l1/mtecs/mTecs.cpp @@ -58,6 +58,7 @@ mTecs::mTecs() : _controlEnergyDistribution(this, "PIT", true), _controlAltitude(this, "FPA", true), _controlAirSpeed(this, "ACC"), + _flightPathAngleLowpass(this, "FPA_LP"), _airspeedLowpass(this, "A_LP"), _airspeedDerivative(this, "AD"), _throttleSp(0.0f), @@ -123,7 +124,7 @@ int mTecs::updateFlightPathAngleSpeed(float flightPathAngle, float flightPathAng /* time measurement */ updateTimeMeasurement(); - /* Filter arispeed */ + /* Filter airspeed */ float airspeedFiltered = _airspeedLowpass.update(airspeed); /* calculate longitudinal acceleration setpoint from airspeed setpoint*/ @@ -138,8 +139,6 @@ int mTecs::updateFlightPathAngleSpeed(float flightPathAngle, float flightPathAng } /* Write part of the status message */ - _status.flightPathAngleSp = flightPathAngleSp; - _status.flightPathAngle = flightPathAngle; _status.airspeedSp = airspeedSp; _status.airspeed = airspeed; _status.airspeedFiltered = airspeedFiltered; @@ -164,8 +163,11 @@ int mTecs::updateFlightPathAngleAcceleration(float flightPathAngle, float flight /* update parameters first */ updateParams(); + /* Filter flightpathangle */ + float flightPathAngleFiltered = _flightPathAngleLowpass.update(flightPathAngle); + /* calculate values (energies) */ - float flightPathAngleError = flightPathAngleSp - flightPathAngle; + float flightPathAngleError = flightPathAngleSp - flightPathAngleFiltered; float airspeedDerivative = 0.0f; if(_airspeedDerivative.getDt() > 0.0f) { airspeedDerivative = _airspeedDerivative.update(airspeedFiltered); @@ -175,12 +177,12 @@ int mTecs::updateFlightPathAngleAcceleration(float flightPathAngle, float flight float airspeedDerivativeNormSp = airspeedDerivativeSp / CONSTANTS_ONE_G; float airspeedDerivativeNormError = airspeedDerivativeNormSp - airspeedDerivativeNorm; - float totalEnergyRate = flightPathAngle + airspeedDerivativeNorm; + float totalEnergyRate = flightPathAngleFiltered + airspeedDerivativeNorm; float totalEnergyRateError = flightPathAngleError + airspeedDerivativeNormError; float totalEnergyRateSp = flightPathAngleSp + airspeedDerivativeNormSp; float totalEnergyRateError2 = totalEnergyRateSp - totalEnergyRate; - float energyDistributionRate = flightPathAngle - airspeedDerivativeNorm; + float energyDistributionRate = flightPathAngleFiltered - airspeedDerivativeNorm; float energyDistributionRateError = flightPathAngleError - airspeedDerivativeNormError; float energyDistributionRateSp = flightPathAngleSp - airspeedDerivativeNormSp; float energyDistributionRateError2 = energyDistributionRateSp - energyDistributionRate; @@ -202,7 +204,7 @@ int mTecs::updateFlightPathAngleAcceleration(float flightPathAngle, float flight BlockOutputLimiter *outputLimiterThrottle = &_controlTotalEnergy.getOutputLimiter(); BlockOutputLimiter *outputLimiterPitch = &_controlEnergyDistribution.getOutputLimiter(); if (mode == TECS_MODE_TAKEOFF) { - outputLimiterThrottle = &_BlockOutputLimiterTakeoffThrottle; //XXX: accept prelaunch values from launchdetector + outputLimiterThrottle = &_BlockOutputLimiterTakeoffThrottle; outputLimiterPitch = &_BlockOutputLimiterTakeoffPitch; } else if (mode == TECS_MODE_LAND) { // only limit pitch but do not limit throttle @@ -221,6 +223,9 @@ int mTecs::updateFlightPathAngleAcceleration(float flightPathAngle, float flight bool limitApplied = limitOverride.applyOverride(*outputLimiterThrottle, *outputLimiterPitch); /* Write part of the status message */ + _status.flightPathAngleSp = flightPathAngleSp; + _status.flightPathAngle = flightPathAngle; + _status.flightPathAngleFiltered = flightPathAngleFiltered; _status.airspeedDerivativeSp = airspeedDerivativeSp; _status.airspeedDerivative = airspeedDerivative; _status.totalEnergyRateSp = totalEnergyRateSp; diff --git a/src/modules/fw_pos_control_l1/mtecs/mTecs.h b/src/modules/fw_pos_control_l1/mtecs/mTecs.h index c102f5dee..efa89a5d3 100644 --- a/src/modules/fw_pos_control_l1/mtecs/mTecs.h +++ b/src/modules/fw_pos_control_l1/mtecs/mTecs.h @@ -104,12 +104,17 @@ protected: uORB::Publication<tecs_status_s> _status; /**< publish internal values for logging */ /* control blocks */ - BlockFFPILimitedCustom _controlTotalEnergy; /**< FFPI controller for total energy control: output is throttle */ - BlockFFPILimitedCustom _controlEnergyDistribution; /**< FFPI controller for energy distribution control: output is pitch */ - BlockPDLimited _controlAltitude; /**< PD controller for altitude: output is the flight path angle setpoint */ - BlockPDLimited _controlAirSpeed; /**< PD controller for airspeed: output is acceleration setpoint */ + BlockFFPILimitedCustom _controlTotalEnergy; /**< FFPI controller for total energy control: output + is throttle */ + BlockFFPILimitedCustom _controlEnergyDistribution; /**< FFPI controller for energy distribution control: + output is pitch */ + BlockPDLimited _controlAltitude; /**< PD controller for altitude: output is the flight + path angle setpoint */ + BlockPDLimited _controlAirSpeed; /**< PD controller for airspeed: output is acceleration + setpoint */ /* Other calculation Blocks */ + control::BlockLowPass _flightPathAngleLowpass; /**< low pass filter for the flight path angle */ control::BlockLowPass _airspeedLowpass; /**< low pass filter for airspeed */ control::BlockDerivative _airspeedDerivative; /**< airspeed derivative calulation */ @@ -118,21 +123,22 @@ protected: float _pitchSp; /**< Pitch Setpoint from -pi to pi */ /* Output Limits in special modes */ - BlockOutputLimiter _BlockOutputLimiterTakeoffThrottle; /**< Throttle Limits during takeoff */ - BlockOutputLimiter _BlockOutputLimiterTakeoffPitch; /**< Pitch Limit during takeoff */ - BlockOutputLimiter _BlockOutputLimiterUnderspeedThrottle; /**< Throttle Limits when underspeed is detected */ - BlockOutputLimiter _BlockOutputLimiterUnderspeedPitch; /**< Pitch Limit when underspeed is detected */ - BlockOutputLimiter _BlockOutputLimiterLandThrottle; /**< Throttle Limits during landing (only in last phase)*/ - BlockOutputLimiter _BlockOutputLimiterLandPitch; /**< Pitch Limit during landing */ + BlockOutputLimiter _BlockOutputLimiterTakeoffThrottle; /**< Throttle Limits during takeoff */ + BlockOutputLimiter _BlockOutputLimiterTakeoffPitch; /**< Pitch Limit during takeoff */ + BlockOutputLimiter _BlockOutputLimiterUnderspeedThrottle; /**< Throttle Limits when underspeed is detected */ + BlockOutputLimiter _BlockOutputLimiterUnderspeedPitch; /**< Pitch Limit when underspeed is detected */ + BlockOutputLimiter _BlockOutputLimiterLandThrottle; /**< Throttle Limits during landing (only in + last phase)*/ + BlockOutputLimiter _BlockOutputLimiterLandPitch; /**< Pitch Limit during landing */ /* Time measurements */ - hrt_abstime timestampLastIteration; /**< Saves the result of hrt_absolute_time() of the last iteration */ + hrt_abstime timestampLastIteration; /**< Saves the result of hrt_absolute_time() of the last iteration */ - bool _firstIterationAfterReset; /**< True during the first iteration after a reset */ - bool _dtCalculated; /**< True if dt has been calculated in this iteration */ + bool _firstIterationAfterReset; /**< True during the first iteration after a reset */ + bool _dtCalculated; /**< True if dt has been calculated in this iteration */ int _counter; - bool _debug; ///< Set true to enable debug output + bool _debug; ///< Set true to enable debug output static void debug_print(const char *fmt, va_list args); diff --git a/src/modules/fw_pos_control_l1/mtecs/mTecs_params.c b/src/modules/fw_pos_control_l1/mtecs/mTecs_params.c index bbbb8f9db..5b9238780 100644 --- a/src/modules/fw_pos_control_l1/mtecs/mTecs_params.c +++ b/src/modules/fw_pos_control_l1/mtecs/mTecs_params.c @@ -175,6 +175,13 @@ PARAM_DEFINE_FLOAT(MT_PIT_MIN, -45.0f); PARAM_DEFINE_FLOAT(MT_PIT_MAX, 20.0f); /** + * Lowpass (cutoff freq.) for the flight path angle + * + * @group mTECS + */ +PARAM_DEFINE_FLOAT(MT_FPA_LP, 1.0f); + +/** * P gain for the altitude control * Maps the altitude error to the flight path angle setpoint * diff --git a/src/modules/sdlog2/sdlog2.c b/src/modules/sdlog2/sdlog2.c index 0813bf7b0..ab9c1639c 100644 --- a/src/modules/sdlog2/sdlog2.c +++ b/src/modules/sdlog2/sdlog2.c @@ -1507,6 +1507,7 @@ int sdlog2_thread_main(int argc, char *argv[]) log_msg.body.log_TECS.altitude = buf.tecs_status.altitude; log_msg.body.log_TECS.flightPathAngleSp = buf.tecs_status.flightPathAngleSp; log_msg.body.log_TECS.flightPathAngle = buf.tecs_status.flightPathAngle; + log_msg.body.log_TECS.flightPathAngleFiltered = buf.tecs_status.flightPathAngleFiltered; log_msg.body.log_TECS.airspeedSp = buf.tecs_status.airspeedSp; log_msg.body.log_TECS.airspeed = buf.tecs_status.airspeed; log_msg.body.log_TECS.airspeedFiltered = buf.tecs_status.airspeedFiltered; diff --git a/src/modules/sdlog2/sdlog2_messages.h b/src/modules/sdlog2/sdlog2_messages.h index 5645ebcf1..a631317df 100644 --- a/src/modules/sdlog2/sdlog2_messages.h +++ b/src/modules/sdlog2/sdlog2_messages.h @@ -353,6 +353,7 @@ struct log_TECS_s { float altitude; float flightPathAngleSp; float flightPathAngle; + float flightPathAngleFiltered; float airspeedSp; float airspeed; float airspeedFiltered; @@ -431,7 +432,7 @@ static const struct log_format_s log_formats[] = { LOG_FORMAT(GS0B, "BBBBBBBBBBBBBBBB", "s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13,s14,s15"), LOG_FORMAT(GS1A, "BBBBBBBBBBBBBBBB", "s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13,s14,s15"), LOG_FORMAT(GS1B, "BBBBBBBBBBBBBBBB", "s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13,s14,s15"), - LOG_FORMAT(TECS, "fffffffffffffB", "AltSP,Alt,FpaSP,Fpa,AsSP,As,AsF,AsDSP,AsD,TERSP,TER,EDRSP,EDR,M"), + LOG_FORMAT(TECS, "ffffffffffffffB", "AltSP,Alt,FSP,F,FF,AsSP,As,AsF,AsDSP,AsD,TERSP,TER,EDRSP,EDR,M"), LOG_FORMAT(WIND, "ffff", "X,Y,CovX,CovY"), /* system-level messages, ID >= 0x80 */ diff --git a/src/modules/uORB/topics/tecs_status.h b/src/modules/uORB/topics/tecs_status.h index 05310e906..c4d0c1874 100644 --- a/src/modules/uORB/topics/tecs_status.h +++ b/src/modules/uORB/topics/tecs_status.h @@ -68,6 +68,7 @@ struct tecs_status_s { float altitude; float flightPathAngleSp; float flightPathAngle; + float flightPathAngleFiltered; float airspeedSp; float airspeed; float airspeedFiltered; |