Diagnosis for actuator partial LOE fault in Dynamic System with nonlinear actuator

Zhaohui Cen, Jiaolong Wei, Rui Jiang, Xiong Liu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

As an important component of Dynamic System, actuators are generally nonlinear and its output is immeasurable. It is a challenging problem for Fault Diagnosis (FD) when a partial LOE fault occurs in the actuator. Aiming at this problem, a novel nonlinear adaptive observer (NAO) is proposed to estimate the actuator output and diagnosis fault. Finally, the proposed FD scheme is applied in a high-fidelity Reaction Wheel (RW) in Satellite Attitude Control System (SACS), and a kind of partial Loss Of Effect (LOE) fault, named as augmentation of friction torque, is considered in our case study. The results of the case study demonstrate the effectiveness and superiority of our FD scheme.

Original languageEnglish
Title of host publicationProceedings of the 29th Chinese Control Conference, CCC'10
Pages3993-3999
Number of pages7
Publication statusPublished - 22 Dec 2010
Event29th Chinese Control Conference, CCC'10 - Beijing, China
Duration: 29 Jul 201031 Jul 2010

Publication series

NameProceedings of the 29th Chinese Control Conference, CCC'10

Other

Other29th Chinese Control Conference, CCC'10
CountryChina
CityBeijing
Period29/7/1031/7/10

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Keywords

  • Adaptive observer
  • Nonlinearity for actuator
  • Partial LOE fault
  • Reaction wheel
  • SACS

ASJC Scopus subject areas

  • Control and Systems Engineering

Cite this

Cen, Z., Wei, J., Jiang, R., & Liu, X. (2010). Diagnosis for actuator partial LOE fault in Dynamic System with nonlinear actuator. In Proceedings of the 29th Chinese Control Conference, CCC'10 (pp. 3993-3999). [5572989] (Proceedings of the 29th Chinese Control Conference, CCC'10).