53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
#include "Detumble.h"
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#include <fsfw/globalfunctions/constants.h>
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#include <fsfw/globalfunctions/math/MatrixOperations.h>
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#include <fsfw/globalfunctions/math/QuaternionOperations.h>
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#include <fsfw/globalfunctions/math/VectorOperations.h>
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#include <fsfw/globalfunctions/sign.h>
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#include <math.h>
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#include "../util/MathOperations.h"
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Detumble::Detumble() {}
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Detumble::~Detumble() {}
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ReturnValue_t Detumble::bDotLaw(const double *magRate, const bool magRateValid,
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const double *magField, const bool magFieldValid, double *magMom,
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double gain) {
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if (!magRateValid || !magFieldValid) {
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return DETUMBLE_NO_SENSORDATA;
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}
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double factor = -gain / pow(VectorOperations<double>::norm(magField, 3), 2);
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VectorOperations<double>::mulScalar(magRate, factor, magMom, 3);
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return returnvalue::OK;
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}
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ReturnValue_t Detumble::bangbangLaw(const double *magRate, const bool magRateValid, double *magMom,
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double dipolMax) {
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if (!magRateValid) {
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return DETUMBLE_NO_SENSORDATA;
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}
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for (int i = 0; i < 3; i++) {
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magMom[i] = -dipolMax * sign(magRate[i]);
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}
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return returnvalue::OK;
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}
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ReturnValue_t Detumble::bDotLawFull(const double *satRate, const bool *satRateValid,
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const double *magField, const bool *magFieldValid,
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double *magMom, double gain) {
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if (!satRateValid || !magFieldValid) {
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return DETUMBLE_NO_SENSORDATA;
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}
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double factor = gain / pow(VectorOperations<double>::norm(magField, 3), 2);
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double magFieldNormed[3] = {0, 0, 0}, crossProduct[3] = {0, 0, 0};
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VectorOperations<double>::normalize(magField, magFieldNormed, 3);
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VectorOperations<double>::cross(satRate, magFieldNormed, crossProduct);
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VectorOperations<double>::mulScalar(crossProduct, factor, magMom, 3);
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return returnvalue::OK;
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}
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