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Adaptive wavelet network friction compensation of inter-satellite optical communication coarse pointing subsystem

  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In order to compensate for the effects of friction in IOC (Inter-satellite Optical Communication) coarse pointing subsystem of PAT(Pointing, Acquisition, Tracking) system, a PD controller is used to obtain a stable trajectory first, then wavelet neural network is used to approximate friction function on line to compensate for it. In addition, a robust term is used to eliminate the effects of approximation error of neural network and external disturbances. The system is proved to be stable and the parameters are proved to be bounded under the control scheme of this paper, using Lyapunov function methods. At last, simulation results show the validity of the control scheme.

Original languageEnglish
Title of host publicationProceedings of the World Congress on Intelligent Control and Automation (WCICA)
Pages2768-2772
Number of pages5
DOIs
StatePublished - 2006
Event6th World Congress on Intelligent Control and Automation, WCICA 2006 - Dalian, China
Duration: 21 Jun 200623 Jun 2006

Publication series

NameProceedings of the World Congress on Intelligent Control and Automation (WCICA)
Volume1

Conference

Conference6th World Congress on Intelligent Control and Automation, WCICA 2006
Country/TerritoryChina
CityDalian
Period21/06/0623/06/06

Keywords

  • Friction compensation
  • IOC
  • PAT
  • Wavelet neural network

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