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path: root/src/lib/ecl/attitude_fw/ecl_yaw_controller.cpp
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Diffstat (limited to 'src/lib/ecl/attitude_fw/ecl_yaw_controller.cpp')
-rw-r--r--src/lib/ecl/attitude_fw/ecl_yaw_controller.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lib/ecl/attitude_fw/ecl_yaw_controller.cpp b/src/lib/ecl/attitude_fw/ecl_yaw_controller.cpp
index a4ecc48a2..7c366aaf2 100644
--- a/src/lib/ecl/attitude_fw/ecl_yaw_controller.cpp
+++ b/src/lib/ecl/attitude_fw/ecl_yaw_controller.cpp
@@ -51,6 +51,7 @@ ECL_YawController::ECL_YawController() :
_k_p(0.0f),
_k_i(0.0f),
_k_d(0.0f),
+ _k_ff(0.0f),
_integrator_max(0.0f),
_max_rate(0.0f),
_roll_ff(0.0f),
@@ -159,7 +160,7 @@ float ECL_YawController::control_bodyrate(float roll, float pitch,
float integrator_constrained = math::constrain(_integrator * _k_i, -_integrator_max, _integrator_max);
/* Apply PI rate controller and store non-limited output */
- _last_output = (_rate_error * _k_p + integrator_constrained + _rate_setpoint * k_ff) * scaler * scaler; //scaler is proportional to 1/airspeed
+ _last_output = (_bodyrate_setpoint * _k_ff + _rate_error * _k_p + integrator_constrained + _rate_setpoint * k_ff) * scaler * scaler; //scaler is proportional to 1/airspeed
//warnx("yaw:_last_output: %.4f, _integrator: %.4f, _integrator_max: %.4f, airspeed %.4f, _k_i %.4f, _k_p: %.4f", (double)_last_output, (double)_integrator, (double)_integrator_max, (double)airspeed, (double)_k_i, (double)_k_p);