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

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Start?ReadStar Catalog?Input Initial ; @ @ Orbit and Attitude; ?Set Boresight Direction-?Draw aFOV?Select Stars inside the FOV?Choose Five StarsPredicted BoresightNo ?Store Stars? H H HHHH HHHHEnd Condition? ?EndYesFigure 3.2: Flowchart of the star selection process <strong>for</strong> star tracker measurement data24
Page 3: GLOSSARYATBDBDCCDCRFCRSDMTEKFFOAMFO
Page 11: Chapter 2FUNDAMENTALS OFATTITUDE DE
Page 14 and 15: Rigorous satisfaction of a set of l
Page 16 and 17: lead to the attitude dierential equ
Page 18 and 19: To take advantage of multiple unit
Page 20 and 21: ppstarz SCF(boresightdirection)66op
Page 22 and 23: Table 3.1: Characteristics of the c
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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(GLAS) PRECISION ATTITUDE DETERMINATION - Center for ...

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