Research on fault diagnosis of satellite attitude control system based on the dedicated observers

Mei ling Wang; Hua Song; Chun ling Wei

Research on fault diagnosis of satellite attitude control system based on the dedicated observers

Mei ling Wang^*
, Hua Song
, Chun ling Wei

^*Corresponding author for this work

School of Automation Science and Electrical Engineering

Beihang University
National Key Laboratory of Space Intelligent Control Technology

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

In this paper, the design principle of disturbance decoupling for nonlinear unknown input observer is introduced. And then a bank of unknown input observers are designed for the satellite attitude control system, and each observer is decoupled to the flywheel fault of a particular axis, which is sensitive to the flywheel faults of the other axes. The observers generate a structured residual set, and the flywheel fault isolation is realized by fault separation logic. Finally, the feasibility of the method is verified by simulation analysis.

Original language	English
Title of host publication	Current Trends in Computer Science and Mechanical Automation Vol.1
Subtitle of host publication	Selected Papers from CSMA2016
Publisher	de Gruyter
Pages	470-481
Number of pages	12
ISBN (Electronic)	9783110584974
ISBN (Print)	9783110584967
State	Published - 9 Jan 2018

Keywords

Fault diagnosis
Satellite attitude control system
Unknown input observer

Cite this

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N2 - In this paper, the design principle of disturbance decoupling for nonlinear unknown input observer is introduced. And then a bank of unknown input observers are designed for the satellite attitude control system, and each observer is decoupled to the flywheel fault of a particular axis, which is sensitive to the flywheel faults of the other axes. The observers generate a structured residual set, and the flywheel fault isolation is realized by fault separation logic. Finally, the feasibility of the method is verified by simulation analysis.

AB - In this paper, the design principle of disturbance decoupling for nonlinear unknown input observer is introduced. And then a bank of unknown input observers are designed for the satellite attitude control system, and each observer is decoupled to the flywheel fault of a particular axis, which is sensitive to the flywheel faults of the other axes. The observers generate a structured residual set, and the flywheel fault isolation is realized by fault separation logic. Finally, the feasibility of the method is verified by simulation analysis.

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Research on fault diagnosis of satellite attitude control system based on the dedicated observers

Abstract

Keywords

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