(GLAS) PRECISION ATTITUDE DETERMINATION - Center for ...

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GLOSSARYATBDBDCCDCRFCRSDMTEKFFOAMFOVGCFHPHRGICRFIERSIPDITERITRFLPALRCLRSLRTLTRMFOAMMSXOBFPADPDPMAPODQUESTSCFSFADSRSSVDTRFUVFAlgorithm Theoretical Basis DocumentBoresight DirectionCharge Coupled DeviceCelestial Reference FrameCollimated Reference SourceDirect Match TechniqueExtended Kalman FilterFast Optimal Attitude MethodField of ViewGyro Coordinate FrameHewlett PackardHemispherical Resonator GyroInternational Celestial Reference FrameInternational Earth Rotation ServiceImproved Polar DecompositionIteration MethodInternational Terrestrial Reference FrameLaser Proling ArrayLaser Reference CameraLaser Reference SensorLaser Reference TelescopeLateral Transfer RetroreectorModied Fast Optimal Attitude MethodMidcourse Space ExperimentOptical Bench Coordinate FramePrecision Attitude DeterminationPolar DecompositionPattern Matching AlgorithmPrecision Orbit DeterminationQuaternion EstimatorStar Tracker Coordinate FrameSingle Frame Attitude DeterminationStellar Reference SystemSingular Value DecompositionTerrestrial Reference FrameUnit Vector Filter2
Page 10 and 11: Gyro DataTelemetryDataData UnitConv
Page 13 and 14: .Z CRF , z 16.-Y OBFy 2z 2 Z OBF..;
Page 15 and 16: where x , y , and z were dened i
Page 17 and 18: the external torque of ~ T must be
Page 19 and 20: Chapter 3MEASUREMENT SYSTEMMany spa
Page 21 and 22: sources [4] [14] [44].In space appl
Page 23: Table 3.2: Test results of HD-1003
Page 26 and 27: direction. The SCF is obtained by s
Page 28 and 29: - Start?Read Stars? Rotate to the O
Page 30 and 31: where k i is a scale factor error,
Page 32 and 33: Table 3.5: Specications of the Hipp
Page 34 and 35: Chapter 4STAR IDENTIFICATIONAn esse
Page 36 and 37: H HHH H +H HHHH aFOV@I@Cells search
Page 38 and 39: JJJJJJ0 26(8)10(14)2(11)180 . . .-
Page 40 and 41: unitvector^B Estimated BD ?Pointed
Page 42 and 43: symmetry line provides more condenc
Page 44 and 45: Table 4.1: Star identication simula
Page 46 and 47: at t i+1εV s/cobserved star (O)cat
Page 48 and 49: (a) for existing star(b) for new st
Page 50 and 51: Chapter 5ATTITUDE DETERMINATION5.1
Page 52 and 53:
where s and ~ X are also obtained b
Page 54 and 55:
where the P matrix is orthogonal an
Page 56 and 57:
the normal quaternions. In conseque
Page 58 and 59:
The sensitivity matrix, H k , can b
Page 60 and 61:
y computing transition matrices bet
Page 62 and 63:
Table 5.1: SFAD output statistics.
Page 64 and 65:
Figure 5.3: Angle errors from the E
Page 66 and 67:
Table 5.3: Computation time compari
Page 68 and 69:
Chapter 6POINTING DETERMINATIONFigu
Page 70 and 71:
LRS Star IdenticationStar TrackerSt
Page 72 and 73:
Figure 6.4: Pointing determination
Page 74 and 75:
Figure 6.6: Laser prole observed at
Page 76 and 77:
(x LRS , y LRS )(x LPA , y LPA )LPA
Page 78 and 79:
Gyro (10Hz) Star Tracker (10Hz) Las
Page 80 and 81:
Figure 6.11: Eect of the BD error i
Page 82 and 83:
in the attitude matrix A(t). When w
Page 84 and 85:
7.2 Ancillary InputsAncillary input
Page 86 and 87:
star tracker. The calibrated data o
Page 88 and 89:
[14] S.B. Howell, editor. Astronomi
Page 90 and 91:
[50] J.D. Vedder. Star trackers, st
Page 92 and 93:
Appendix. APROPERTIES OFQUATERNIONS
Page 94:
From the denition in Equation 2.1,
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