Adaptive fault diagnosis observer design for linear system with separated faults and disturbance

Seung Jin Jang, Sin Ho Lee, Jin Bae Park, Yoon Ho Choi

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

1 Citation (Scopus)

Abstract

In this paper, we propose a fault detection observer (FDO) and an adaptive fault diagnosis observer (AFDO) for linear system with separated faults and disturbance. First, the FDO, which is designed by using the characteristic of output error, determines that the actuator and/or sensor faults have occurred when the output error is more larger than the given error boundary. Second, the AFDO which estimates that the actuator and/or sensor faults when the FDO alerts faulty situation, is designed by using both the Lyapunov analysis and LMI methods. Using Lyapunov stability analysis, we also prove the uniformly boundedness of the state, output and fault errors for the constant and time-varying faults. Finally, we illustrate the effectiveness of the proposed diagnosis method thorough simulation.

Original languageEnglish
Title of host publicationICCAS 2011 - 2011 11th International Conference on Control, Automation and Systems
Pages1903-1907
Number of pages5
Publication statusPublished - 2011 Dec 1
Event2011 11th International Conference on Control, Automation and Systems, ICCAS 2011 - Gyeonggi-do, Korea, Republic of
Duration: 2011 Oct 262011 Oct 29

Publication series

NameInternational Conference on Control, Automation and Systems
ISSN (Print)1598-7833

Other

Other2011 11th International Conference on Control, Automation and Systems, ICCAS 2011
CountryKorea, Republic of
CityGyeonggi-do
Period11/10/2611/10/29

Fingerprint

Failure analysis
Linear systems
Fault detection
Actuators
Sensors

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence
  • Computer Science Applications
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Jang, S. J., Lee, S. H., Park, J. B., & Choi, Y. H. (2011). Adaptive fault diagnosis observer design for linear system with separated faults and disturbance. In ICCAS 2011 - 2011 11th International Conference on Control, Automation and Systems (pp. 1903-1907). [6106191] (International Conference on Control, Automation and Systems).
Jang, Seung Jin ; Lee, Sin Ho ; Park, Jin Bae ; Choi, Yoon Ho. / Adaptive fault diagnosis observer design for linear system with separated faults and disturbance. ICCAS 2011 - 2011 11th International Conference on Control, Automation and Systems. 2011. pp. 1903-1907 (International Conference on Control, Automation and Systems).
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Jang, SJ, Lee, SH, Park, JB & Choi, YH 2011, Adaptive fault diagnosis observer design for linear system with separated faults and disturbance. in ICCAS 2011 - 2011 11th International Conference on Control, Automation and Systems., 6106191, International Conference on Control, Automation and Systems, pp. 1903-1907, 2011 11th International Conference on Control, Automation and Systems, ICCAS 2011, Gyeonggi-do, Korea, Republic of, 11/10/26.

Adaptive fault diagnosis observer design for linear system with separated faults and disturbance. / Jang, Seung Jin; Lee, Sin Ho; Park, Jin Bae; Choi, Yoon Ho.

ICCAS 2011 - 2011 11th International Conference on Control, Automation and Systems. 2011. p. 1903-1907 6106191 (International Conference on Control, Automation and Systems).

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

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N2 - In this paper, we propose a fault detection observer (FDO) and an adaptive fault diagnosis observer (AFDO) for linear system with separated faults and disturbance. First, the FDO, which is designed by using the characteristic of output error, determines that the actuator and/or sensor faults have occurred when the output error is more larger than the given error boundary. Second, the AFDO which estimates that the actuator and/or sensor faults when the FDO alerts faulty situation, is designed by using both the Lyapunov analysis and LMI methods. Using Lyapunov stability analysis, we also prove the uniformly boundedness of the state, output and fault errors for the constant and time-varying faults. Finally, we illustrate the effectiveness of the proposed diagnosis method thorough simulation.

AB - In this paper, we propose a fault detection observer (FDO) and an adaptive fault diagnosis observer (AFDO) for linear system with separated faults and disturbance. First, the FDO, which is designed by using the characteristic of output error, determines that the actuator and/or sensor faults have occurred when the output error is more larger than the given error boundary. Second, the AFDO which estimates that the actuator and/or sensor faults when the FDO alerts faulty situation, is designed by using both the Lyapunov analysis and LMI methods. Using Lyapunov stability analysis, we also prove the uniformly boundedness of the state, output and fault errors for the constant and time-varying faults. Finally, we illustrate the effectiveness of the proposed diagnosis method thorough simulation.

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Jang SJ, Lee SH, Park JB, Choi YH. Adaptive fault diagnosis observer design for linear system with separated faults and disturbance. In ICCAS 2011 - 2011 11th International Conference on Control, Automation and Systems. 2011. p. 1903-1907. 6106191. (International Conference on Control, Automation and Systems).