Path: SpacecraftEstimation/StellarAttDet
% A stellar attitude determination system that does not use gyros. -------------------------------------------------------------------------- Form: [q, p, qOld, w] = StellarAttDetEKFNoGyross( q, qOld, w, dT, p, Q, r, qBToS, starMeas, starData, fScale ) -------------------------------------------------------------------------- ------ Inputs ------ q (4,1) Attitude quaternion qOld (4,1) Last attitude quaternion w (3,1) Body rate dT Time step p (6,6) State covariance matrix Q (6,6) State noise covariance r Measurement noise qBToS (4,1) Quaternion from body to sensor axes starDataMeas starData (m,3) Vector of [intensity,xloc,yloc] fScale (1,1) Sensor scale factor ------- Outputs ------- q (4,1) Attitude quaternion p (3,3) State covariance matrix qOld (4,1) Old quaternion w (3,1) Rate --------------------------------------------------------------------------
SC: Sensor/U2Pix SpacecraftEstimation: AttitudeEstimation/EKFSSG SpacecraftEstimation: StellarAttDet/AttProp SpacecraftEstimation: StellarAttDet/DSTMQ SpacecraftEstimation: StellarAttDet/QFromU SpacecraftEstimation: StellarAttDet/RateFromDQ SpacecraftEstimation: StellarAttDet/StarMeasurement Common: General/DeBlankLT Common: Graphics/NewFig Common: Graphics/PltStyle Common: Graphics/TitleS Common: Graphics/XLabelS Common: Graphics/YLabelS Common: Graphics/ZLabelS Common: Quaternion/Mat2Q Common: Quaternion/Q2Mat Common: Quaternion/QForm Common: Quaternion/QMult Common: Quaternion/QPose Common: Quaternion/QRand Common: Quaternion/QUnit Math: Linear/DupVect Math: Linear/Mag Math: Linear/Orthogonalize Math: Linear/Skew Math: Linear/SkewSymm Math: Linear/Unit
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