G - Physics – 05 – D
Patent
G - Physics
05
D
341/97
G05D 1/10 (2006.01) B64G 1/24 (2006.01) B64G 1/28 (2006.01) G05D 1/08 (2006.01)
Patent
CA 1239684
Abstract of the Disclosure AUTONOMOUS STATIONKEEPING FOR THREE-AXIS STABILIZED SPACECRAFT Apparatus for autonomously performing stationkeeping maneuvers for three-axis stabilized spacecraft (1) such as geosynchronous satellites. For each of one or more spacecraft axes (y, z) the invention autonomously performs desaturation of a momentum/reaction wheel (31-32, 41, respectively) associated with that axis, while simultaneously accomplishing the preselected compensation of the spacecraft's east-west position. Thrusters (35-38, 45-48) having a polarity corresponding to the desired desaturation polarity are fired in a particular sequence: when a preselected east-west firing bias is present, the thrusters fired are solely from that face of the spacecraft (1) needed to counteract the east-west deviation. After the bias has been worked down, thrusters are fired from alternating spacecraft faces. An open loop portion (63-74) of the instant circuit performs or completes working-down of the east-west firing ??as once per preselected firing period in those cases where the desaturation maneuvers are not sufficient to perform this function by themselves.
546770
Chan Fred N.
Reimche Wallace E.
Ford Aerospace Corporation
Gowling Lafleur Henderson Llp
LandOfFree
Autonomous stationkeeping for three-axis stabilized spacecraft does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Autonomous stationkeeping for three-axis stabilized spacecraft, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Autonomous stationkeeping for three-axis stabilized spacecraft will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1240076