Fault-tolerant control of Earth observation satellite with redundant configuration of reaction wheels

1Melanchenko, OG
1Yangel Yuzhnoye State Design Office, Dnipropetrovsk, Ukraine
Kosm. nauka tehnol. 2013, 19 ;(1):28–37
Section: Spacecraft Dynamics and Control
Publication Language: Russian

We discuss the problem of reconfiguration of the Earth observation spacecraft’s attitude control system when the primary actuators, reaction wheels, are failed. Some known redundant configurations of reaction wheels are analyzed. We propose an approach to attitude control with the use of «pyramid» redundant configuration including one at presence of faults and reaction wheel model-based diagnosis method.

Keywords: primary actuators failure, reconfiguration of the spacecraft’s attitude control system
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