ardupilot/libraries/APM_Control/AP_YawController.h

73 lines
1.8 KiB
C++

#pragma once
#include <AP_Common/AP_Common.h>
#include <AP_Vehicle/AP_Vehicle.h>
#include <AC_PID/AC_PID.h>
#include "AP_AutoTune.h"
class AP_YawController
{
public:
AP_YawController(const AP_Vehicle::FixedWing &parms);
/* Do not allow copies */
AP_YawController(const AP_YawController &other) = delete;
AP_YawController &operator=(const AP_YawController&) = delete;
// return true if rate control is enabled
bool rate_control_enabled(void) const { return _rate_enable != 0; }
// get actuator output for sideslip and yaw damping control
int32_t get_servo_out(float scaler, bool disable_integrator);
// get actuator output for direct rate control
// desired_rate is in deg/sec. scaler is the surface speed scaler
float get_rate_out(float desired_rate, float scaler, bool disable_integrator);
void reset_I();
/*
reduce the integrator, used when we have a low scale factor in a quadplane hover
*/
void decay_I()
{
// this reduces integrator by 95% over 2s
_pid_info.I *= 0.995f;
}
const AP_PIDInfo& get_pid_info(void) const
{
return _pid_info;
}
// start/stop auto tuner
void autotune_start(void);
void autotune_restore(void);
static const struct AP_Param::GroupInfo var_info[];
private:
const AP_Vehicle::FixedWing &aparm;
AP_Float _K_A;
AP_Float _K_I;
AP_Float _K_D;
AP_Float _K_FF;
AP_Int16 _imax;
AP_Int8 _rate_enable;
AC_PID rate_pid{0.04, 0.15, 0, 0.15, 0.666, 3, 0, 12, 0.02, 150, 1};
uint32_t _last_t;
float _last_out;
float _last_rate_hp_out;
float _last_rate_hp_in;
float _K_D_last;
float _integrator;
AP_AutoTune::ATGains gains;
AP_AutoTune *autotune;
bool failed_autotune_alloc;
AP_PIDInfo _pid_info;
};