Active vibration damping (AVD) system for precision pointing...

Details Active vibration damping (AVD) system for precision pointing... Active vibration damping (AVD) system for precision pointing...

2011-06-07

2011-06-07

Tran, Khoi (Department: 3664)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

C244S172700, C244S158100

Reexamination Certificate

active

07957854

ABSTRACT:
An active vibration damping (AVD) control system for spacecraft provides a simple-to-implement and robust formulation that provides a novel damping control method for reducing spacecraft structural vibrations and improving antenna and instrument pointing. The AVD control system comprises an excitation signal generator configured to generate excitation input signals, and a damping model identification unit configured to receive system identification data and configured to produce control model parameters, the system identification data comprising the excitation input signals and information associated with motion of the spacecraft. The AVD control system further comprises an AVD control unit configured to receive the control model parameters, the AVD control unit configured to produce AVD control signals to control one or more actuators of the spacecraft.

REFERENCES:
patent: 6003817 (1999-12-01), Basuthakur et al.

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