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try to point STR away from earth during idle
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Marius Eggert 2024-02-02 15:04:26 +01:00
parent e7dc9cddfd
commit 15cddfdeb7
2 changed files with 12 additions and 12 deletions
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20
mission/controller/acs/Guidance.cpp
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@ -4,24 +4,24 @@ Guidance::Guidance(AcsParameters *acsParameters_) { acsParameters = acsParameter
Guidance::~Guidance() {} Guidance::~Guidance() {}
void Guidance::targetQuatPtgIdle(double timeDelta, double sunDirI[3], double targetQuat[4], void Guidance::targetQuatPtgIdle(const double timeDelta, timeval timeAbsolute,
double targetSatRotRate[3]) { const double sunDirI[3], const double posSatF[4],
//------------------------------------------------------------------------------------- double targetQuat[4], double targetSatRotRate[3]) {
// Calculation of target quaternion to sun // positive z-Axis of EIVE in direction of sun
//-------------------------------------------------------------------------------------
// positive z-Axis of EIVE in direction of sun
double zAxisXI[3] = {0, 0, 0}; double zAxisXI[3] = {0, 0, 0};
VectorOperations<double>::normalize(sunDirI, zAxisXI, 3); VectorOperations<double>::normalize(sunDirI, zAxisXI, 3);
// assign helper vector (north pole inertial) // determine helper vector to point x-Axis and therefore the STR away from Earth
double helperXI[3] = {0, 0, 1}; double helperXI[3] = {0, 0, 0}, posSatI[3] = {0, 0, 0};
CoordinateTransformations::positionEcfToEci(posSatF, posSatI, &timeAbsolute);
VectorOperations<double>::normalize(posSatI, helperXI, 3);
// construct y-axis from helper vector and z-axis // construct y-axis from helper vector and z-axis
double yAxisXI[3] = {0, 0, 0}; double yAxisXI[3] = {0, 0, 0};
VectorOperations<double>::cross(zAxisXI, helperXI, yAxisXI); VectorOperations<double>::cross(zAxisXI, helperXI, yAxisXI);
VectorOperations<double>::normalize(yAxisXI, yAxisXI, 3); VectorOperations<double>::normalize(yAxisXI, yAxisXI, 3);
// x-axis completes RHS // x-axis completes RHS
double xAxisXI[3] = {0, 0, 0}; double xAxisXI[3] = {0, 0, 0};
VectorOperations<double>::cross(yAxisXI, zAxisXI, xAxisXI); VectorOperations<double>::cross(yAxisXI, zAxisXI, xAxisXI);
VectorOperations<double>::normalize(xAxisXI, xAxisXI, 3); VectorOperations<double>::normalize(xAxisXI, xAxisXI, 3);

4
mission/controller/acs/Guidance.h
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@ -25,8 +25,8 @@ class Guidance {
ReturnValue_t solarArrayDeploymentComplete(); ReturnValue_t solarArrayDeploymentComplete();
void resetValues(); void resetValues();
void targetQuatPtgIdle(const double timeDelta, double sunDirI[3], double targetQuat[4], void targetQuatPtgIdle(const double timeDelta, timeval timeAbsolute, const double sunDirI[3],
double targetSatRotRate[3]); const double posSatF[4], double targetQuat[4], double targetSatRotRate[3]);
void targetQuatPtgTarget(timeval timeAbsolute, const double timeDelta, double posSatF[3], void targetQuatPtgTarget(timeval timeAbsolute, const double timeDelta, double posSatF[3],
double velSatE[3], double quatIX[4], double targetSatRotRate[3]); double velSatE[3], double quatIX[4], double targetSatRotRate[3]);
void targetQuatPtgGs(timeval timeAbsolute, const double timeDelta, double posSatF[3], void targetQuatPtgGs(timeval timeAbsolute, const double timeDelta, double posSatF[3],