meggert
42b94ab581
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57 lines
2.4 KiB
C++
57 lines
2.4 KiB
C++
#ifndef PTGCTRL_H_
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#define PTGCTRL_H_
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#include <math.h>
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#include <mission/acs/defs.h>
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#include <mission/controller/acs/AcsParameters.h>
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#include <mission/controller/acs/SensorValues.h>
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#include <stdio.h>
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class PtgCtrl {
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/*
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* @brief: This class handles the pointing control mechanism. Calculation of an commanded
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* torque for the reaction wheels, and magnetic Field strength for magnetorquer for desaturation
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*
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* @note: A description of the used algorithms can be found in
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* https://eive-cloud.irs.uni-stuttgart.de/index.php/apps/files/?dir=/EIVE_Studenten/Marquardt_Robin&openfile=896110
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*/
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public:
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/* @brief: Constructor
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* @param: acsParameters_ Pointer to object which defines the ACS configuration parameters
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*/
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PtgCtrl(AcsParameters *acsParameters_);
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virtual ~PtgCtrl();
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acs::ControlModeStrategy pointingCtrlStrategy(const bool magFieldValid, const bool mekfValid,
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const bool strValid, const bool questValid,
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const bool fusedRateValid,
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const uint8_t rotRateSource,
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const uint8_t mekfEnabled);
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/* @brief: Calculates the needed torque for the pointing control mechanism
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*/
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void ptgLaw(AcsParameters::PointingLawParameters *pointingLawParameters, const double *qError,
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const double *deltaRate, const double *rwPseudoInv, double *torqueRws);
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void ptgNullspace(const bool allRwAvabilable,
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AcsParameters::PointingLawParameters *pointingLawParameters,
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const int32_t speedRw0, const int32_t speedRw1, const int32_t speedRw2,
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const int32_t speedRw3, double *rwTrqNs);
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void ptgDesaturation(AcsParameters::PointingLawParameters *pointingLawParameters,
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const double *magFieldB, const bool magFieldBValid, const double *satRate,
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const int32_t speedRw0, const int32_t speedRw1, const int32_t speedRw2,
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const int32_t speedRw3, double *mgtDpDes);
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/* @brief: Commands the stiction torque in case wheel speed is to low
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* torqueCommand modified torque after anti-stiction
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*/
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void rwAntistiction(ACS::SensorValues *sensorValues, int32_t *rwCmdSpeed);
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private:
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const AcsParameters *acsParameters;
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static constexpr double RPM_TO_RAD_PER_SEC = (2 * M_PI) / 60;
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};
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#endif /* ACS_CONTROL_PTGCTRL_H_ */
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