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http://dx.doi.org/10.5139/JKSAS.2010.38.5.437

Analysis of Attitude Control Characteristics for an Underactuated Spacecraft Using a Single-Gimbal Variable-Speed CMG  

Jin, Jae-Hyun (순천대학교 우주항공공학)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.38, no.5, 2010 , pp. 437-444 More about this Journal
Abstract
This paper deals with the attitude control of an underactuated spacecraft that has one single-gimbal variable-speed CMG. An underactuated spacecraft may not converge to arbitrary attitudes if its total angular momentum is not zero. To stabilize a spacecraft, the CMG has to align with the angular momentum in the inertial frame. Four different install configurations for the CMG have been considered and controllable angular momentums have been analyzed. Also, based on the backstepping method, stabilizing control laws have been presented and their properties have been compared.
Keywords
Spacecraft control; Variable-speed CMG; Underactuation; Controllable momentum;
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Times Cited By KSCI : 2  (Citation Analysis)
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