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This commit is contained in:
Marius Eggert
2022-12-13 11:51:03 +01:00
parent d33ae9ede7
commit b49d37e15a
12 changed files with 577 additions and 575 deletions
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106
mission/controller/acs/control/PtgCtrl.cpp
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@ -16,9 +16,7 @@
#include "../util/MathOperations.h"
PtgCtrl::PtgCtrl(AcsParameters *acsParameters_){
loadAcsParameters(acsParameters_);
}
PtgCtrl::PtgCtrl(AcsParameters *acsParameters_) { loadAcsParameters(acsParameters_); }
PtgCtrl::~PtgCtrl() {}
@ -29,7 +27,8 @@ void PtgCtrl::loadAcsParameters(AcsParameters *acsParameters_) {
rwMatrices = &(acsParameters_->rwMatrices);
}
void PtgCtrl::ptgLaw(const double mode, const double *qError, const double *deltaRate,const double *rwPseudoInv, double *torqueRws){
void PtgCtrl::ptgLaw(const double mode, const double *qError, const double *deltaRate,
const double *rwPseudoInv, double *torqueRws) {
//------------------------------------------------------------------------------------------------
// Compute gain matrix K and P matrix
//------------------------------------------------------------------------------------------------
@ -84,30 +83,28 @@ void PtgCtrl::ptgLaw(const double mode, const double *qError, const double *delt
double pErrorSign[3] = {0, 0, 0};
for (int i = 0; i < 3; i++) {
if (abs(pError[i]) > 1) {
pErrorSign[i] = sign(pError[i]);
}
else {
pErrorSign[i] = pError[i];
}
}
// Torque for quaternion error
double torqueQuat[3] = {0, 0, 0};
MatrixOperations<double>::multiply(*gainMatrix, pErrorSign, torqueQuat, 3, 3, 1);
VectorOperations<double>::mulScalar(torqueQuat, -1, torqueQuat, 3);
if (abs(pError[i]) > 1) {
pErrorSign[i] = sign(pError[i]);
} else {
pErrorSign[i] = pError[i];
}
}
// Torque for quaternion error
double torqueQuat[3] = {0, 0, 0};
MatrixOperations<double>::multiply(*gainMatrix, pErrorSign, torqueQuat, 3, 3, 1);
VectorOperations<double>::mulScalar(torqueQuat, -1, torqueQuat, 3);
// Torque for rate error
double torqueRate[3] = {0, 0, 0};
MatrixOperations<double>::multiply(*(inertiaEIVE->inertiaMatrix), deltaRate, torqueRate, 3, 3, 1);
VectorOperations<double>::mulScalar(torqueRate, cInt, torqueRate, 3);
VectorOperations<double>::mulScalar(torqueRate, -1, torqueRate, 3);
// Final commanded Torque for every reaction wheel
double torque[3] = {0, 0, 0};
VectorOperations<double>::add(torqueRate, torqueQuat, torque, 3);
MatrixOperations<double>::multiply(rwPseudoInv, torque, torqueRws, 4, 3, 1);
VectorOperations<double>::mulScalar(torqueRws, -1, torqueRws, 4);
// Torque for rate error
double torqueRate[3] = {0, 0, 0};
MatrixOperations<double>::multiply(*(inertiaEIVE->inertiaMatrix), deltaRate, torqueRate, 3, 3, 1);
VectorOperations<double>::mulScalar(torqueRate, cInt, torqueRate, 3);
VectorOperations<double>::mulScalar(torqueRate, -1, torqueRate, 3);
// Final commanded Torque for every reaction wheel
double torque[3] = {0, 0, 0};
VectorOperations<double>::add(torqueRate, torqueQuat, torque, 3);
MatrixOperations<double>::multiply(rwPseudoInv, torque, torqueRws, 4, 3, 1);
VectorOperations<double>::mulScalar(torqueRws, -1, torqueRws, 4);
}
void PtgCtrl::ptgDesaturation(double *magFieldEst, bool magFieldEstValid, double *satRate,
@ -162,34 +159,31 @@ void PtgCtrl::ptgNullspace(const int32_t *speedRw0, const int32_t *speedRw1,
VectorOperations<double>::mulScalar(rwTrqNs, -1, rwTrqNs, 4);
}
void PtgCtrl::rwAntistiction(const bool* rwAvailable, const int32_t* omegaRw,
double* torqueCommand) {
for (uint8_t i = 0; i < 4; i++) {
if (rwAvailable[i]) {
if (torqueMemory[i] != 0) {
if ((omegaRw[i] * torqueMemory[i])
> rwHandlingParameters->stictionReleaseSpeed) {
torqueMemory[i] = 0;
} else {
torqueCommand[i] = torqueMemory[i]
* rwHandlingParameters->stictionTorque;
}
} else {
if ((omegaRw[i] < rwHandlingParameters->stictionSpeed)
&& (omegaRw[i] > -rwHandlingParameters->stictionSpeed)) {
if (omegaRw[i] < omegaMemory[i]) {
torqueMemory[i] = -1;
} else {
torqueMemory[i] = 1;
}
void PtgCtrl::rwAntistiction(const bool *rwAvailable, const int32_t *omegaRw,
double *torqueCommand) {
for (uint8_t i = 0; i < 4; i++) {
if (rwAvailable[i]) {
if (torqueMemory[i] != 0) {
if ((omegaRw[i] * torqueMemory[i]) > rwHandlingParameters->stictionReleaseSpeed) {
torqueMemory[i] = 0;
} else {
torqueCommand[i] = torqueMemory[i] * rwHandlingParameters->stictionTorque;
}
} else {
if ((omegaRw[i] < rwHandlingParameters->stictionSpeed) &&
(omegaRw[i] > -rwHandlingParameters->stictionSpeed)) {
if (omegaRw[i] < omegaMemory[i]) {
torqueMemory[i] = -1;
} else {
torqueMemory[i] = 1;
}
torqueCommand[i] = torqueMemory[i]
* rwHandlingParameters->stictionTorque;
}
}
} else {
torqueMemory[i] = 0;
}
omegaMemory[i] = omegaRw[i];
}
}
torqueCommand[i] = torqueMemory[i] * rwHandlingParameters->stictionTorque;
}
}
} else {
torqueMemory[i] = 0;
}
omegaMemory[i] = omegaRw[i];
}
}