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detumble fixes and improvements
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This commit is contained in:
Marius Eggert
2024-02-29 10:25:02 +01:00
parent a2a360c1d7
commit 557051ba37
7 changed files with 66 additions and 55 deletions
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24
mission/controller/acs/Guidance.cpp
View File

@ -327,28 +327,32 @@ void Guidance::comparePtg(double currentQuat[4], double currentSatRotRate[3], do
}
ReturnValue_t Guidance::getDistributionMatrixRw(ACS::SensorValues *sensorValues,
double *rwPseudoInv) {
bool rw1valid = (sensorValues->rw1Set.state.value and sensorValues->rw1Set.state.isValid());
bool rw2valid = (sensorValues->rw2Set.state.value and sensorValues->rw2Set.state.isValid());
bool rw3valid = (sensorValues->rw3Set.state.value and sensorValues->rw3Set.state.isValid());
bool rw4valid = (sensorValues->rw4Set.state.value and sensorValues->rw4Set.state.isValid());
double *rwPseudoInv, acsctrl::RwAvail *rwAvail) {
rwAvail->rw1avail = (sensorValues->rw1Set.state.value and sensorValues->rw1Set.state.isValid());
rwAvail->rw2avail = (sensorValues->rw2Set.state.value and sensorValues->rw2Set.state.isValid());
rwAvail->rw3avail = (sensorValues->rw3Set.state.value and sensorValues->rw3Set.state.isValid());
rwAvail->rw4avail = (sensorValues->rw4Set.state.value and sensorValues->rw4Set.state.isValid());
if (rw1valid and rw2valid and rw3valid and rw4valid) {
if (rwAvail->rw1avail and rwAvail->rw2avail and rwAvail->rw3avail and rwAvail->rw4avail) {
std::memcpy(rwPseudoInv, acsParameters->rwMatrices.pseudoInverse, 12 * sizeof(double));
return returnvalue::OK;
} else if (not rw1valid and rw2valid and rw3valid and rw4valid) {
} else if (not rwAvail->rw1avail and rwAvail->rw2avail and rwAvail->rw3avail and
rwAvail->rw4avail) {
std::memcpy(rwPseudoInv, acsParameters->rwMatrices.pseudoInverseWithoutRW1,
12 * sizeof(double));
return acsctrl::SINGLE_RW_UNAVAILABLE;
} else if (rw1valid and not rw2valid and rw3valid and rw4valid) {
} else if (rwAvail->rw1avail and not rwAvail->rw2avail and rwAvail->rw3avail and
rwAvail->rw4avail) {
std::memcpy(rwPseudoInv, acsParameters->rwMatrices.pseudoInverseWithoutRW2,
12 * sizeof(double));
return acsctrl::SINGLE_RW_UNAVAILABLE;
} else if (rw1valid and rw2valid and not rw3valid and rw4valid) {
} else if (rwAvail->rw1avail and rwAvail->rw2avail and not rwAvail->rw3avail and
rwAvail->rw4avail) {
std::memcpy(rwPseudoInv, acsParameters->rwMatrices.pseudoInverseWithoutRW3,
12 * sizeof(double));
return acsctrl::SINGLE_RW_UNAVAILABLE;
} else if (rw1valid and rw2valid and rw3valid and not rw4valid) {
} else if (rwAvail->rw1avail and rwAvail->rw2avail and rwAvail->rw3avail and
not rwAvail->rw4avail) {
std::memcpy(rwPseudoInv, acsParameters->rwMatrices.pseudoInverseWithoutRW4,
12 * sizeof(double));
return acsctrl::SINGLE_RW_UNAVAILABLE;

3
mission/controller/acs/Guidance.h
View File

@ -44,7 +44,8 @@ class Guidance {
double targetSatRotRate[3], double errorQuat[4], double errorSatRotRate[3],
double &errorAngle);
ReturnValue_t getDistributionMatrixRw(ACS::SensorValues *sensorValues, double *rwPseudoInv);
ReturnValue_t getDistributionMatrixRw(ACS::SensorValues *sensorValues, double *rwPseudoInv,
acsctrl::RwAvail *rwAvail);
private:
const AcsParameters *acsParameters;

46
mission/controller/acs/control/PtgCtrl.cpp
View File

@ -1,11 +1,5 @@
#include "PtgCtrl.h"
#include <fsfw/globalfunctions/constants.h>
#include <fsfw/globalfunctions/math/MatrixOperations.h>
#include <fsfw/globalfunctions/math/QuaternionOperations.h>
#include <fsfw/globalfunctions/math/VectorOperations.h>
#include <fsfw/globalfunctions/sign.h>
PtgCtrl::PtgCtrl(AcsParameters *acsParameters_) { acsParameters = acsParameters_; }
PtgCtrl::~PtgCtrl() {}
@ -146,10 +140,10 @@ void PtgCtrl::ptgNullspace(const bool allRwAvabilable,
4);
}
void PtgCtrl::ptgDesaturation(const bool allRwAvailable,
void PtgCtrl::ptgDesaturation(const bool allRwAvailable, const acsctrl::RwAvail *rwAvail,
AcsParameters::PointingLawParameters *pointingLawParameters,
const double *magFieldB, const bool magFieldBValid,
const double *satRate, const int32_t speedRw0, const int32_t speedRw1,
const int32_t speedRw0, const int32_t speedRw1,
const int32_t speedRw2, const int32_t speedRw3, double *mgtDpDes) {
if (not magFieldBValid or not pointingLawParameters->desatOn) {
return;
@ -163,22 +157,24 @@ void PtgCtrl::ptgDesaturation(const bool allRwAvailable,
double magFieldBT[3] = {0, 0, 0};
VectorOperations<double>::mulScalar(magFieldB, 1e-6, magFieldBT, 3);
// calculate angular momentum of the satellite
double angMomentumSat[3] = {0, 0, 0};
MatrixOperations<double>::multiply(*(acsParameters->inertiaEIVE.inertiaMatrixDeployed), satRate,
angMomentumSat, 3, 3, 1);
// calculate angular momentum of the reaction wheels with respect to the nullspace RW speed
// relocate RW speed zero to nullspace RW speed
double refSpeedRws[4] = {0, 0, 0, 0};
if (allRwAvailable) {
VectorOperations<double>::mulScalar(acsParameters->rwMatrices.nullspaceVector,
pointingLawParameters->nullspaceSpeed, refSpeedRws, 4);
VectorOperations<double>::subtract(speedRws, refSpeedRws, speedRws, 4);
} else if (VectorOperations<double>::maxAbsValue(speedRws, 4) <
pointingLawParameters->nullspaceSpeed) {
return;
VectorOperations<double>::mulScalar(acsParameters->rwMatrices.nullspaceVector,
pointingLawParameters->nullspaceSpeed, refSpeedRws, 4);
if (not allRwAvailable) {
if (not rwAvail->rw1avail) {
refSpeedRws[0] = 0.0;
} else if (not rwAvail->rw2avail) {
refSpeedRws[1] = 0.0;
} else if (not rwAvail->rw3avail) {
refSpeedRws[2] = 0.0;
} else if (not rwAvail->rw4avail) {
refSpeedRws[3] = 0.0;
}
}
VectorOperations<double>::subtract(speedRws, refSpeedRws, speedRws, 4);
// convert speed from 10 RPM to 1 RPM
VectorOperations<double>::mulScalar(speedRws, 1e-1, speedRws, 4);
// convert to rad/s
@ -194,16 +190,12 @@ void PtgCtrl::ptgDesaturation(const bool allRwAvailable,
// calculate total angular momentum
double angMomentumTotal[3] = {0, 0, 0};
VectorOperations<double>::add(angMomentumSat, angMomentumRw, angMomentumTotal, 3);
// calculating momentum error
double deltaAngMomentum[3] = {0, 0, 0};
VectorOperations<double>::subtract(angMomentumTotal, pointingLawParameters->desatMomentumRef,
deltaAngMomentum, 3);
VectorOperations<double>::add(angMomentumRw, pointingLawParameters->desatMomentumRef,
angMomentumTotal, 3);
// resulting magnetic dipole command
double crossAngMomentumMagField[3] = {0, 0, 0};
VectorOperations<double>::cross(deltaAngMomentum, magFieldBT, crossAngMomentumMagField);
VectorOperations<double>::cross(angMomentumTotal, magFieldBT, crossAngMomentumMagField);
double factor =
pointingLawParameters->deSatGainFactor / VectorOperations<double>::norm(magFieldBT, 3);
VectorOperations<double>::mulScalar(crossAngMomentumMagField, factor, mgtDpDes, 3);

17
mission/controller/acs/control/PtgCtrl.h
View File

@ -1,11 +1,16 @@
#ifndef PTGCTRL_H_
#define PTGCTRL_H_
#include <math.h>
#include <fsfw/globalfunctions/math/MatrixOperations.h>
#include <fsfw/globalfunctions/math/QuaternionOperations.h>
#include <fsfw/globalfunctions/math/VectorOperations.h>
#include <fsfw/globalfunctions/sign.h>
#include <mission/acs/defs.h>
#include <mission/controller/acs/AcsParameters.h>
#include <mission/controller/acs/SensorValues.h>
#include <stdio.h>
#include <mission/controller/controllerdefinitions/AcsCtrlDefinitions.h>
#include <cmath>
class PtgCtrl {
/*
@ -38,11 +43,11 @@ class PtgCtrl {
const int32_t speedRw0, const int32_t speedRw1, const int32_t speedRw2,
const int32_t speedRw3, double *rwTrqNs);
void ptgDesaturation(const bool allRwAvabilable,
void ptgDesaturation(const bool allRwAvabilable, const acsctrl::RwAvail *rwAvail,
AcsParameters::PointingLawParameters *pointingLawParameters,
const double *magFieldB, const bool magFieldBValid, const double *satRate,
const int32_t speedRw0, const int32_t speedRw1, const int32_t speedRw2,
const int32_t speedRw3, double *mgtDpDes);
const double *magFieldB, const bool magFieldBValid, const int32_t speedRw0,
const int32_t speedRw1, const int32_t speedRw2, const int32_t speedRw3,
double *mgtDpDes);
/* @brief: Commands the stiction torque in case wheel speed is to low
* torqueCommand modified torque after anti-stiction