diff options
Diffstat (limited to 'src/lib/ecl/attitude_fw/ecl_roll_controller.cpp')
| -rw-r--r-- | src/lib/ecl/attitude_fw/ecl_roll_controller.cpp | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/src/lib/ecl/attitude_fw/ecl_roll_controller.cpp b/src/lib/ecl/attitude_fw/ecl_roll_controller.cpp index 2e86c72dc..9894a34d7 100644 --- a/src/lib/ecl/attitude_fw/ecl_roll_controller.cpp +++ b/src/lib/ecl/attitude_fw/ecl_roll_controller.cpp @@ -59,12 +59,23 @@ ECL_RollController::ECL_RollController() : _integrator(0.0f), _rate_error(0.0f), _rate_setpoint(0.0f), - _bodyrate_setpoint(0.0f) + _bodyrate_setpoint(0.0f), + _nonfinite_input_perf(perf_alloc(PC_COUNT, "fw att control roll nonfinite input")) { } +ECL_RollController::~ECL_RollController() +{ + perf_free(_nonfinite_input_perf); +} + float ECL_RollController::control_attitude(float roll_setpoint, float roll) { + /* Do not calculate control signal with bad inputs */ + if (!(isfinite(roll_setpoint) && isfinite(roll))) { + perf_count(_nonfinite_input_perf); + return _rate_setpoint; + } /* Calculate error */ float roll_error = roll_setpoint - roll; @@ -86,6 +97,14 @@ float ECL_RollController::control_bodyrate(float pitch, float yaw_rate_setpoint, float airspeed_min, float airspeed_max, float airspeed, float scaler, bool lock_integrator) { + /* Do not calculate control signal with bad inputs */ + if (!(isfinite(pitch) && isfinite(roll_rate) && isfinite(yaw_rate) && isfinite(yaw_rate_setpoint) && + isfinite(airspeed_min) && isfinite(airspeed_max) && + isfinite(scaler))) { + perf_count(_nonfinite_input_perf); + return math::constrain(_last_output, -1.0f, 1.0f); + } + /* get the usual dt estimate */ uint64_t dt_micros = ecl_elapsed_time(&_last_run); _last_run = ecl_absolute_time(); @@ -95,9 +114,6 @@ float ECL_RollController::control_bodyrate(float pitch, if (dt_micros > 500000) lock_integrator = true; -// float k_ff = math::max((_k_p - _k_i * _tc) * _tc - _k_d, 0.0f); - float k_ff = 0; //xxx: param - /* input conditioning */ // warnx("airspeed pre %.4f", (double)airspeed); if (!isfinite(airspeed)) { @@ -122,8 +138,8 @@ float ECL_RollController::control_bodyrate(float pitch, float id = _rate_error * dt; /* - * anti-windup: do not allow integrator to increase if actuator is at limit - */ + * anti-windup: do not allow integrator to increase if actuator is at limit + */ if (_last_output < -1.0f) { /* only allow motion to center: increase value */ id = math::max(id, 0.0f); |