diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/external_lgpl/tecs/tecs.cpp | 47 | ||||
| -rw-r--r-- | src/lib/external_lgpl/tecs/tecs.h | 74 |
2 files changed, 87 insertions, 34 deletions
diff --git a/src/lib/external_lgpl/tecs/tecs.cpp b/src/lib/external_lgpl/tecs/tecs.cpp index 6386e37a0..a57a0481a 100644 --- a/src/lib/external_lgpl/tecs/tecs.cpp +++ b/src/lib/external_lgpl/tecs/tecs.cpp @@ -298,7 +298,7 @@ void TECS::_update_throttle(float throttle_cruise, const math::Matrix<3,3> &rotM } else { // Calculate gain scaler from specific energy error to throttle - float K_STE2Thr = 1 / (_timeConst * (_STEdot_max - _STEdot_min)); + float K_STE2Thr = 1 / (_timeConstThrot * (_STEdot_max - _STEdot_min)); // Calculate feed-forward throttle float ff_throttle = 0; @@ -327,9 +327,12 @@ void TECS::_update_throttle(float throttle_cruise, const math::Matrix<3,3> &rotM _throttle_dem = constrain(_throttle_dem, _last_throttle_dem - thrRateIncr, _last_throttle_dem + thrRateIncr); - _last_throttle_dem = _throttle_dem; } + // Ensure _last_throttle_dem is always initialized properly + // Also: The throttle_slewrate limit is only applied to throttle_dem, but does not limit the integrator!! + _last_throttle_dem = _throttle_dem; + // Calculate integrator state upper and lower limits // Set to a value thqat will allow 0.1 (10%) throttle saturation to allow for noise on the demand @@ -551,18 +554,30 @@ void TECS::update_pitch_throttle(const math::Matrix<3,3> &rotMat, float pitch, f // Calculate pitch demand _update_pitch(); -// // Write internal variables to the log_tuning structure. This -// // structure will be logged in dataflash at 10Hz - // log_tuning.hgt_dem = _hgt_dem_adj; - // log_tuning.hgt = _integ3_state; - // log_tuning.dhgt_dem = _hgt_rate_dem; - // log_tuning.dhgt = _integ2_state; - // log_tuning.spd_dem = _TAS_dem_adj; - // log_tuning.spd = _integ5_state; - // log_tuning.dspd = _vel_dot; - // log_tuning.ithr = _integ6_state; - // log_tuning.iptch = _integ7_state; - // log_tuning.thr = _throttle_dem; - // log_tuning.ptch = _pitch_dem; - // log_tuning.dspd_dem = _TAS_rate_dem; + _tecs_state.timestamp = now; + + if (_underspeed) { + _tecs_state.mode = ECL_TECS_MODE_UNDERSPEED; + } else if (_badDescent) { + _tecs_state.mode = ECL_TECS_MODE_BAD_DESCENT; + } else if (_climbOutDem) { + _tecs_state.mode = ECL_TECS_MODE_CLIMBOUT; + } else { + // If no error flag applies, conclude normal + _tecs_state.mode = ECL_TECS_MODE_NORMAL; + } + + _tecs_state.hgt_dem = _hgt_dem_adj; + _tecs_state.hgt = _integ3_state; + _tecs_state.dhgt_dem = _hgt_rate_dem; + _tecs_state.dhgt = _integ2_state; + _tecs_state.spd_dem = _TAS_dem_adj; + _tecs_state.spd = _integ5_state; + _tecs_state.dspd = _vel_dot; + _tecs_state.ithr = _integ6_state; + _tecs_state.iptch = _integ7_state; + _tecs_state.thr = _throttle_dem; + _tecs_state.ptch = _pitch_dem; + _tecs_state.dspd_dem = _TAS_rate_dem; + } diff --git a/src/lib/external_lgpl/tecs/tecs.h b/src/lib/external_lgpl/tecs/tecs.h index 5cafb1c79..bcc2d90e5 100644 --- a/src/lib/external_lgpl/tecs/tecs.h +++ b/src/lib/external_lgpl/tecs/tecs.h @@ -28,6 +28,27 @@ class __EXPORT TECS { public: TECS() : + _tecs_state {}, + _update_50hz_last_usec(0), + _update_speed_last_usec(0), + _update_pitch_throttle_last_usec(0), + // TECS tuning parameters + _hgtCompFiltOmega(0.0f), + _spdCompFiltOmega(0.0f), + _maxClimbRate(2.0f), + _minSinkRate(1.0f), + _maxSinkRate(2.0f), + _timeConst(5.0f), + _timeConstThrot(8.0f), + _ptchDamp(0.0f), + _thrDamp(0.0f), + _integGain(0.0f), + _vertAccLim(0.0f), + _rollComp(0.0f), + _spdWeight(0.5f), + _heightrate_p(0.0f), + _speedrate_p(0.0f), + _throttle_dem(0.0f), _pitch_dem(0.0f), _integ1_state(0.0f), _integ2_state(0.0f), @@ -100,29 +121,42 @@ public: return _spdWeight; } - // log data on internal state of the controller. Called at 10Hz - // void log_data(DataFlash_Class &dataflash, uint8_t msgid); - - // struct PACKED log_TECS_Tuning { - // LOG_PACKET_HEADER; - // float hgt; - // float dhgt; - // float hgt_dem; - // float dhgt_dem; - // float spd_dem; - // float spd; - // float dspd; - // float ithr; - // float iptch; - // float thr; - // float ptch; - // float dspd_dem; - // } log_tuning; + enum ECL_TECS_MODE { + ECL_TECS_MODE_NORMAL = 0, + ECL_TECS_MODE_UNDERSPEED, + ECL_TECS_MODE_BAD_DESCENT, + ECL_TECS_MODE_CLIMBOUT + }; + + struct tecs_state { + uint64_t timestamp; + float hgt; + float dhgt; + float hgt_dem; + float dhgt_dem; + float spd_dem; + float spd; + float dspd; + float ithr; + float iptch; + float thr; + float ptch; + float dspd_dem; + enum ECL_TECS_MODE mode; + }; + + void get_tecs_state(struct tecs_state& state) { + state = _tecs_state; + } void set_time_const(float time_const) { _timeConst = time_const; } + void set_time_const_throt(float time_const_throt) { + _timeConstThrot = time_const_throt; + } + void set_min_sink_rate(float rate) { _minSinkRate = rate; } @@ -188,6 +222,9 @@ public: } private: + + struct tecs_state _tecs_state; + // Last time update_50Hz was called uint64_t _update_50hz_last_usec; @@ -204,6 +241,7 @@ private: float _minSinkRate; float _maxSinkRate; float _timeConst; + float _timeConstThrot; float _ptchDamp; float _thrDamp; float _integGain; |