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authorLorenz Meier <lm@inf.ethz.ch>2013-09-08 20:04:39 +0200
committerLorenz Meier <lm@inf.ethz.ch>2013-09-08 20:04:39 +0200
commit9b48fe36229f27242ce8d80d2807f0849b2b55e5 (patch)
treee9a68a5d0f70772ba50045bf69be438ea14fae77 /src/lib/ecl/attitude_fw/ecl_pitch_controller.cpp
parent2697790aa512891dc84ad415770fbe5b22fd316b (diff)
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Compiling attitude control, ready for tests
Diffstat (limited to 'src/lib/ecl/attitude_fw/ecl_pitch_controller.cpp')
-rw-r--r--src/lib/ecl/attitude_fw/ecl_pitch_controller.cpp22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/lib/ecl/attitude_fw/ecl_pitch_controller.cpp b/src/lib/ecl/attitude_fw/ecl_pitch_controller.cpp
index 0e1a0d7f6..77ec15c53 100644
--- a/src/lib/ecl/attitude_fw/ecl_pitch_controller.cpp
+++ b/src/lib/ecl/attitude_fw/ecl_pitch_controller.cpp
@@ -38,13 +38,19 @@
*/
#include "ecl_pitch_controller.h"
+#include <math.h>
+#include <stdint.h>
+#include <float.h>
+#include <geo/geo.h>
+#include <ecl/ecl.h>
+#include <mathlib/mathlib.h>
ECL_PitchController::ECL_PitchController() :
_last_run(0),
_last_output(0.0f),
_integrator(0.0f),
_rate_error(0.0f),
- _desired_rate(0.0f),
+ _rate_setpoint(0.0f),
_max_deflection_rad(math::radians(45.0f))
{
}
@@ -62,7 +68,7 @@ float ECL_PitchController::control(float pitch_setpoint, float pitch, float pitc
if (dt_micros > 500000)
lock_integrator = true;
- float k_roll_ff = max((_k_p - _k_i * _tc) * _tc - _k_d, 0.0f);
+ float k_roll_ff = math::max((_k_p - _k_i * _tc) * _tc - _k_d, 0.0f);
float k_i_rate = _k_i * _tc;
/* input conditioning */
@@ -75,7 +81,7 @@ float ECL_PitchController::control(float pitch_setpoint, float pitch, float pitc
/* calculate the offset in the rate resulting from rolling */
float turn_offset = fabsf((CONSTANTS_ONE_G / airspeed) *
- tanf(roll) * sinf(roll)) * _roll;
+ tanf(roll) * sinf(roll)) * _roll_ff;
float pitch_error = pitch_setpoint - pitch;
/* rate setpoint from current error and time constant */
@@ -88,7 +94,7 @@ float ECL_PitchController::control(float pitch_setpoint, float pitch, float pitc
float ilimit_scaled = 0.0f;
- if (!lock_integrator && k_i_rate > 0.0f && airspeed > 0.5 * airspeed_min) {
+ if (!lock_integrator && k_i_rate > 0.0f && airspeed > 0.5f * airspeed_min) {
float id = _rate_error * k_i_rate * dt * scaler;
@@ -98,21 +104,21 @@ float ECL_PitchController::control(float pitch_setpoint, float pitch, float pitc
*/
if (_last_output < -_max_deflection_rad) {
/* only allow motion to center: increase value */
- id = max(id, 0.0f);
+ id = math::max(id, 0.0f);
} else if (_last_output > _max_deflection_rad) {
/* only allow motion to center: decrease value */
- id = min(id, 0.0f);
+ id = math::min(id, 0.0f);
}
_integrator += id;
}
/* integrator limit */
- _integrator = constrain(_integrator, -ilimit_scaled, ilimit_scaled);
+ _integrator = math::constrain(_integrator, -ilimit_scaled, ilimit_scaled);
/* store non-limited output */
_last_output = ((_rate_error * _k_d * scaler) + _integrator + (_rate_setpoint * k_roll_ff)) * scaler;
- return constrain(_last_output, -_max_deflection_rad, _max_deflection_rad);
+ return math::constrain(_last_output, -_max_deflection_rad, _max_deflection_rad);
}
void ECL_PitchController::reset_integrator()