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Coordinated attitude control for a tracking and data relay satellite with mobile antennas

Shijie Zhang (Research Institute of Satellite Technology, Harbin Institute of Technology, Harbin, People's Republic of China)
Xibin Cao (Research Institute of Satellite Technology, Harbin Institute of Technology, Harbin, People's Republic of China)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 August 2004

Abstract

In this paper, a coordinated attitude control law for a tracking and data relay satellite (TDRS) with mobile antennas is proposed. To track or point the target spacecraft with median/law orbit, the large mobile antennas have to move in a wide range, the movement of such mobile antennas disturbing the satellite attitude. Conventionally, the main body of the satellite and the mobile antennas are controlled independently. The proposed controller first estimates the TDRS's angular momentum which the mobile antennas will produce, based on the momentum conservation equation, then adds the estimated angular momentum as a feedforward signal to the conventional control law. The proposed controller is demonstrated using mathematical simulation, the results of which coincide well with analytical results.

Keywords

Citation

Zhang, S. and Cao, X. (2004), "Coordinated attitude control for a tracking and data relay satellite with mobile antennas", Aircraft Engineering and Aerospace Technology, Vol. 76 No. 4, pp. 414-419. https://doi.org/10.1108/00022660410545537

Publisher

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Emerald Group Publishing Limited

Copyright © 2004, Emerald Group Publishing Limited