eive-obsw/mission/controller/acs/FusedRotationEstimation.cpp
meggert beaacc251b
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new class YAY
2023-07-19 16:25:03 +02:00

69 lines
3.1 KiB
C++

#include "FusedRotationEstimation.h"
FusedRotationEstimation::FusedRotationEstimation(AcsParameters *acsParameters_) {
acsParameters = acsParameters_;
}
void FusedRotationEstimation::estimateFusedRotationRateSafe(
bool sunValid, double sunB[3], double sunRateB[3], bool magValid, double magB[3],
double magRateB[3], bool rotRateValid, double rotRateB[3], double fusedRateB[3],
double fusedRateParallelB[3], double fusedRateOrthogonalB[3]) {
if ((not magValid) or (not sunValid and not VectorOperations<double>::norm(fusedRateOldB, 3)) or
((not VectorOperations<double>::norm(sunRateB, 3) and
not VectorOperations<double>::norm(magRateB, 3)))) {
return;
}
if (not sunValid) {
estimateFusedRotationRateEclipse(rotRateValid, rotRateB, fusedRateB, fusedRateParallelB,
fusedRateOrthogonalB); // ToDo
return;
}
// calculate rotation around the sun
double magSunCross[3] = {0, 0, 0};
VectorOperations<double>::cross(magB, sunB, magSunCross);
double magSunCrossNorm = VectorOperations<double>::norm(magSunCross, 3);
double magNorm = VectorOperations<double>::norm(magB, 3);
if (magSunCrossNorm >
(acsParameters->safeModeControllerParameters.sineLimitSunRotRate * magNorm)) {
double omegaParallel =
VectorOperations<double>::dot(magRateB, magSunCross) * pow(magSunCrossNorm, -2);
double omegaParallelVec[3] = {0, 0, 0};
VectorOperations<double>::mulScalar(sunB, omegaParallel, omegaParallelVec, 3);
std::memcpy(fusedRateParallelB, omegaParallelVec, 3 * sizeof(double)); // to dataset
} else {
estimateFusedRotationRateEclipse(rotRateValid, rotRateB, fusedRateB, fusedRateParallelB,
fusedRateOrthogonalB); // ToDo
return;
}
// calculate rotation orthogonal to the sun
VectorOperations<double>::cross(sunRateB, sunB, fusedRateOrthogonalB);
VectorOperations<double>::mulScalar(fusedRateOrthogonalB,
pow(VectorOperations<double>::norm(sunB, 2), 2),
fusedRateOrthogonalB, 3);
// calculate total rotation rate
VectorOperations<double>::add(fusedRateParallelB, fusedRateOrthogonalB, fusedRateB);
std::memcpy(fusedRateOldB, fusedRateB, 3 * sizeof(double));
if (rotRateValid) {
std::memcpy(rotRateOldB, rotRateB, 3 * sizeof(double));
}
}
void FusedRotationEstimation::estimateFusedRotationRateEclipse(bool rotRateValid,
double rotRateB[3],
double fusedRateB[3],
double fusedRateParallelB[3],
double fusedRateOrthogonalB[3]) {
if (not rotRateValid or not VectorOperations<double>::norm(fusedRateOldB, 3)) {
return;
}
double angAccelB[3] = {0, 0, 0};
VectorOperations<double>::subtract(rotRateB, rotRateOldB, angAccelB, 3);
double omegaTotVec[3] = {0, 0, 0};
VectorOperations<double>::add(fusedRateOldB, angAccelB, fusedRateB, 3);
}