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http://dx.doi.org/10.5139/JKSAS.2004.32.10.060

Control of a Satellite's Redundant Thrusters by a Control Allocation Method  

Jin, Jae-Hyun (한국원자력연구소 원격취급장치개발)
Park, Young-Woong (한국항공우주연구원)
Park, Bong-Kyu (한국항공우주연구원)
Tahk, Min-Jea (한국과학기술원 항공우주공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.32, no.10, 2004 , pp. 60-66 More about this Journal
Abstract
Redundant thrusters are generally adopted to satellite designs for a highly reliable attitude control system. So efficient redundancy management is required to take advantage of these redundant thrusters. In this paper, control allocation method is proposed as a method for controlling redundant thrusters. Control allocation is a method to calculate optimal distribution on redundant controls for realizing desired forces/torques. It is shown that a control allocation problem for redundant thrusters is formulated as a linear programming problem which minimizes fuel consumptions with thrusters, constraints. We also show that the proposed method is more efficient than an existing method by numerical examples.
Keywords
Redundant Thrusters; Control Allocation; Attitude Control; Linear Programming;
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