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Diffstat (limited to 'src/modules/fw_pos_control_l1/mtecs/mTecs.h')
-rw-r--r-- | src/modules/fw_pos_control_l1/mtecs/mTecs.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/modules/fw_pos_control_l1/mtecs/mTecs.h b/src/modules/fw_pos_control_l1/mtecs/mTecs.h new file mode 100644 index 000000000..393dd294d --- /dev/null +++ b/src/modules/fw_pos_control_l1/mtecs/mTecs.h @@ -0,0 +1,133 @@ +/**************************************************************************** + * + * Copyright (c) 2013 PX4 Development Team. All rights reserved. + * Author: @author Thomas Gubler <thomasgubler@gmail.com> + * + * 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 PX4 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 mTecs.h + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + + +#ifndef MTECS_H_ +#define MTECS_H_ + +#include "mTecs_blocks.h" + +#include <controllib/block/BlockParam.hpp> +#include <drivers/drv_hrt.h> + +namespace fwPosctrl +{ + +/* Main class of the mTecs */ +class mTecs : public control::SuperBlock +{ +public: + mTecs(); + virtual ~mTecs(); + + typedef enum { + TECS_MODE_NORMAL, + TECS_MODE_UNDERSPEED, + TECS_MODE_TAKEOFF + } tecs_mode; + + /* + * Control in altitude setpoint and speed mode + */ + void updateAltitudeSpeed(float flightPathAngle, float altitude, float altitudeSp, float airspeed, float airspeedSp, tecs_mode mode); + + /* + * Control in flightPathAngle setpoint (flollow a slope etc.) and speed mode + */ + void updateFlightPathAngleSpeed(float flightPathAngle, float flightPathAngleSp, float airspeed, float airspeedSp, tecs_mode mode); + + /* + * Control in flightPathAngle setpoint (flollow a slope etc.) and acceleration mode (base case) + */ + void updateFlightPathAngleAcceleration(float flightPathAngle, float flightPathAngleSp, float airspeed, float accelerationLongitudinalSp, tecs_mode mode); + + /* + * Reset all integrators + */ + void resetIntegrators(); + + + /* Accessors */ + bool getEnabled() {return _mTecsEnabled.get() > 0;} + float getThrottleSetpoint() {return _throttleSp;} + float getPitchSetpoint() {return _pitchSp;} + +protected: + /* parameters */ + control::BlockParamInt _mTecsEnabled; /**< 1 if mTecs is enabled */ + control::BlockParamFloat _airspeedMin; /**< minimal airspeed */ + + /* control blocks */ + BlockFFPILimitedCustom _controlTotalEnergy; /**< FFPI controller for total energy control: output is throttle */ + BlockFFPILimitedCustom _controlEnergyDistribution; /**< FFPI controller for energy distribution control: output is pitch */ + BlockPDLimited _controlAltitude; /**< P controller for altitude: output is the flight path angle setpoint */ + BlockPLimited _controlAirSpeed; /**< P controller for airspeed: output is acceleration setpoint */ + + /* Other calculation Blocks */ + control::BlockDerivative _airspeedDerivative; + + /* Output setpoints */ + float _throttleSp; /**< Throttle Setpoint from 0 to 1 */ + float _pitchSp; /**< Pitch Setpoint from -pi to pi */ + + /* Output Limits in special modes */ + BlockOutputLimiter _BlockOutputLimiterTakeoffThrottle; /**< Throttle Limits during takeoff */ + BlockOutputLimiter _BlockOutputLimiterTakeoffPitch; /**< Pitch Limit during takeoff */ + BlockOutputLimiter _BlockOutputLimiterUnderspeedThrottle; /**< Throttle Limits during takeoff */ + BlockOutputLimiter _BlockOutputLimiterUnderspeedPitch; /**< Pitch Limit during takeoff */ + + /* Time measurements */ + hrt_abstime timestampLastIteration; /**< Saves the result of hrt_absolute_time() of the last iteration */ + + bool _firstIterationAfterReset; /**< True during the first iteration after a reset */ + bool _dtCalculated; /**< True if dt has been calculated in this iteration */ + + int _counter; + + /* + * Measure and update the time step dt if this was not already done in the current iteration + */ + void updateTimeMeasurement(); +}; + +} /* namespace fwPosctrl */ + +#endif /* MTECS_H_ */ |