Compiling attitude control, ready for tests

This commit is contained in:
Lorenz Meier 2013-09-08 20:04:39 +02:00
parent 2697790aa5
commit 9b48fe3622
5 changed files with 33 additions and 17 deletions

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@ -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()

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@ -83,7 +83,7 @@ public:
}
float get_desired_rate() {
return _desired_rate;
return _rate_setpoint;
}
private:

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@ -39,6 +39,11 @@
#include "../ecl.h"
#include "ecl_roll_controller.h"
#include <stdint.h>
#include <float.h>
#include <geo/geo.h>
#include <ecl/ecl.h>
#include <mathlib/mathlib.h>
ECL_RollController::ECL_RollController() :
_last_run(0),
@ -61,7 +66,7 @@ float ECL_RollController::control(float roll_setpoint, float roll, float roll_ra
float dt = (dt_micros > 500000) ? 0.0f : dt_micros / 1000000;
float k_ff = max((_k_p - _k_i * _tc) * _tc - _k_d, 0.0f);
float k_ff = math::max((_k_p - _k_i * _tc) * _tc - _k_d, 0.0f);
float k_i_rate = _k_i * _tc;
/* input conditioning */
@ -86,7 +91,7 @@ float ECL_RollController::control(float roll_setpoint, float roll, float roll_ra
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;
@ -96,21 +101,21 @@ float ECL_RollController::control(float roll_setpoint, float roll, float roll_ra
*/
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;
_last_output = ((_rate_error * _k_d * scaler) + _integrator + (_rate_setpoint * k_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_RollController::reset_integrator()

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@ -79,7 +79,7 @@ public:
}
float get_desired_rate() {
return _desired_rate;
return _rate_setpoint;
}
private:

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@ -38,6 +38,11 @@
*/
#include "ecl_yaw_controller.h"
#include <stdint.h>
#include <float.h>
#include <geo/geo.h>
#include <ecl/ecl.h>
#include <mathlib/mathlib.h>
ECL_YawController::ECL_YawController() :
_last_run(0),