Antenna pointing apparatus mounted on satellite using feed forwa

Details Antenna pointing apparatus mounted on satellite using feed forwa Antenna pointing apparatus mounted on satellite using feed forwa

1996-10-23

1998-11-17

Felber, Joseph L.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

342359, H01Q 300

Patent

active

058382780

ABSTRACT:
An optical antenna pointing controller for an optical antenna system having an optical antenna and biaxial gimbal mechanism coupled to the optical antenna and mounted on the satellite is provided. Feedback control in the controller is gain-stabilized by a nominal compensator, and disturbance is suppressed by a robust compensator, further, a target satellite is captured quickly with the aid of a reference model and feedforward, thus providing quick response without dependency on the band width of feedback control system.

REFERENCES:
patent: 4839573 (1989-06-01), Wise
patent: 5062592 (1991-11-01), Kishimoto
Leo, D.J., et al., "Pointing Control and Vibration Suppression of a Slewing Flexible Frame", Journal of Guidance Control and Dynamics, vol. 17, No. 3, May-Jun. 1994, pp. 529-536.
Awa, Y., et al., "Precise Antenna Pointing Control for Inter-Orbit Communication Satellite", Second International Conference on Motion and Vibration Control, Aug. 30 to Sep. 3, 1994, pp. 527-532.

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