ardupilot/libraries/AC_PID/AC_HELI_PID.h

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// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
/// @file AC_HELI_PID.h
/// @brief Helicopter Specific Rate PID algorithm, with EEPROM-backed storage of constants.
#ifndef __AC_HELI_PID_H__
#define __AC_HELI_PID_H__
#include <AP_Common.h>
#include <AP_Param.h>
#include <stdlib.h>
#include <math.h>
#include <AC_PID.h>
/// @class AC_HELI_PID
/// @brief Heli PID control class
class AC_HELI_PID : public AC_PID {
public:
/// Constructor for PID
AC_HELI_PID(float initial_p, float initial_i, float initial_d, float initial_imax, float initial_filt_hz, float dt);
/// get_ff - return FeedForward Term
float get_ff(float requested_rate) const;
/// get_leaky_i - replacement for get_i but output is leaded at leak_rate
float get_leaky_i(float leak_rate);
// accessors
float ff() const { return _ff.get(); }
void ff(const float v) { _ff.set(v); }
static const struct AP_Param::GroupInfo var_info[];
private:
AP_Float _ff;
};
#endif // __AC_HELI_PID_H__