Spacecraft off-gimbal IRU precision payload pointing and...

Details Spacecraft off-gimbal IRU precision payload pointing and... Spacecraft off-gimbal IRU precision payload pointing and...

2005-05-24

2005-05-24

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

C343S754000, C343S758000, C343S760000, C342S359000, C342S358000, C342S075000, C342S077000, C342S420000

Reexamination Certificate

active

06897821

ABSTRACT:
An off-gimbal pointing system is improved using filtering of resolver and gyro responses respectively applied at the output of the resolvers and gyros for attenuating high frequencies resolver responses and gyro responses that effectively degrades the high frequency responses that are matched and above the control system bandwidth for improving the overall dynamic control of the off-gimbal pointing system for rejecting the affects of base motion disturbances and vibrations.

REFERENCES:
patent: 4375878 (1983-03-01), Harvey et al.
patent: 5368271 (1994-11-01), Kiunke et al.
patent: 5396815 (1995-03-01), Polites et al.
patent: 5463402 (1995-10-01), Walrath et al.
patent: 5557285 (1996-09-01), Bender et al.
patent: 6433736 (2002-08-01), Timothy et al.

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