AttDetUKF:
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Stellar attitude determination using the UKF.
It can handle up to 2 sensors.
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Form:
[q, b, d, qSToS2] = AttDetUKF( q, b, d, qSToS2 )
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Inputs
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q (4,1) Estimated attitude quaternion
b (3,1) Estimated gyro bias
d (1,1) Data structure
.angInc (n,1) Angular increments
.p (6,6) State covariance matrix
.dT (1,1) Time step
.Q (6,6) State noise covariance
.r (1,1) Measurement noise
.qBToS (4,1) Quaternion from body to sensor axes
.qSToS2 (4,1) Quaternion from sensor 1 to sensor 2
.starDataMeas (3,m) Vector of [intensity;xloc;yloc]
.starData (1,1) Star Data
.starData2 (1,1) Star Data from sensor 2
.starMatrix (4,n) Star catalog containing n stars stored as [intensity;u]
.starID (1,m) Identified stars
.fScale (1,1) Sensor scale factor
.init (1,1) Initialize if 1
qSToS2 (4,1) Estimated quaternion between sensor 1 and 2
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Outputs
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q (4,1) Estimated attitude quaternion
b (3,1) Estimated bias
d (1,1) Data structure
qSToS2 (4,1) Estimated quaternion between sensor 1 and 2
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Children:
Common: Quaternion/QMult
SpacecraftEstimation: StellarAttDet/StarMeasLin
SpacecraftEstimation: StellarAttDet/StarMeasNL
