Research on Satellite Platform Vibration Compensation Method Based on Liquid Crystal Steering System

Xiang Zhi Li; Cheng Shan Han; Ming Wen; Qing Lei Zhao; Xiao Nan Jiang; Xiang Zhi Li

doi:10.4028/www.scientific.net/AMR.455-456.1627

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 455-456Research on Satellite Platform Vibration...

Research on Satellite Platform Vibration Compensation Method Based on Liquid Crystal Steering System

Abstract:

This paper presents the disturbance compensation scheme based on liquid crystal steering system according to the problem that satellite platform vibration affects the tracking and pointing accuracy in space optical communication. The mathematical model of liquid crystal steering system is built. For improving convergence speed, the adaptive controller based on posteriori estimation errors RLS lattice filter is designed, which not only achieves fast adaptation, but also reaches optimal steady-state disturbance compensation. Finally, the simulation results show that this control scheme is valid and feasible.

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Periodical:

Advanced Materials Research (Volumes 455-456)

Pages:

1627-1632

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.455-456.1627

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Online since:

January 2012

Authors:

Xiang Zhi Li, Cheng Shan Han, Ming Wen, Qing Lei Zhao, Xiao Nan Jiang, Xiang Zhi Li

Keywords:

Adaptive Control, Liquid Crystal Steering, RLS Lattice Filter, Space Optical Communication

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