Research on Satellite Platform Vibration Compensation Technology for Space Optical Communication

Abstract:

The piezo-electric steering control system is used to compensate the vibration of satellite platform. The mathematical model of piezo-electric steering system is built. The adaptive controller based on improved LMS filter algorithm is designed according to this system characteristic. The adaptive delay filter is designed to solve slow convergence speed problem of traditional algorithm. Meanwhile, the adaptive delay filter can also compensate phase delay of control circuit. The adaptive deviation filter is introduced and it effectively compensates the vibration deviation which is low frequency and high amplitude. The experimental results show that the remained errors are μrad, which meets space optical communication requirement and proves that this control scheme is valid and feasible.

• Periodical: Advanced Materials Research (Volume 571)
• Pages: 248-251
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.571.248
• Online since: September 2012
• Authors: Cheng Shan Han, Xiang Zhi Li
• Keywords: Adaptive Delay Filter, Adaptive Deviation Filter, Improved LMS, Piezo-Electric Steering, Space Optical Communication

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