Active vibration damping (AVD) system for precision pointing spacecraft
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United States of America Patent
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Mar 29, 2011
Grant Date -
Nov 6, 2008
app pub date -
May 2, 2007
filing date -
May 2, 2007
priority date (Note) -
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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.
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