ecl_pitch_controller.h
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/****************************************************************************
*
* Copyright (c) 2013-2020 Estimation and Control Library (ECL). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name ECL nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file ecl_pitch_controller.h
* Definition of a simple orthogonal pitch PID controller.
*
* @author Lorenz Meier <lm@inf.ethz.ch>
* @author Thomas Gubler <thomasgubler@gmail.com>
*
* Acknowledgements:
*
* The control design is based on a design
* by Paul Riseborough and Andrew Tridgell, 2013,
* which in turn is based on initial work of
* Jonathan Challinger, 2012.
*/
#ifndef ECL_PITCH_CONTROLLER_H
#define ECL_PITCH_CONTROLLER_H
#include <mathlib/mathlib.h>
#include "ecl_controller.h"
class ECL_PitchController :
public ECL_Controller
{
public:
ECL_PitchController() = default;
~ECL_PitchController() = default;
float control_attitude(const float dt, const ECL_ControlData &ctl_data) override;
float control_euler_rate(const float dt, const ECL_ControlData &ctl_data) override;
float control_bodyrate(const float dt, const ECL_ControlData &ctl_data) override;
/* Additional Setters */
void set_max_rate_pos(float max_rate_pos)
{
_max_rate = max_rate_pos;
}
void set_max_rate_neg(float max_rate_neg)
{
_max_rate_neg = max_rate_neg;
}
void set_bodyrate_setpoint(float rate)
{
_bodyrate_setpoint = math::constrain(rate, -_max_rate_neg, _max_rate);
}
protected:
float _max_rate_neg{0.0f};
};
#endif // ECL_PITCH_CONTROLLER_H