Robust Simultaneous Fault Estimation and Nonfragile Output Feedback Fault-Tolerant Control for Markovian Jump Systems

Xiaohang Li, Choon Ki Ahn, Dunke Lu, Shenghui Guo

Research output: Contribution to journalArticlepeer-review

156 Citations (Scopus)


This paper is devoted to solve the problems on simultaneous actuator and sensor fault estimations as well as the nonfragile fault-tolerant control (FTC) for a kind of Markovian jump systems with faults and disturbances. First, the considered system is converted to an augmented system by putting the sensor fault into the new state. Then, an adaptive observer is designed for the descriptor system with the actuator fault adjusted by the designed adaptive law. Based on the estimated actuator faults, an output-feedback-based FTC strategy is proposed to stabilize the closed-loop system against actuator and sensor faults, and disturbances, while showing robustness for the control gain perturbations. Sufficient conditions for the existences of the observer and controller are provided in forms of linear matrix inequalities. Finally, a practical application is given to express the validation and effectiveness of the proposed method.

Original languageEnglish
Article number8356244
Pages (from-to)1769-1776
Number of pages8
JournalIEEE Transactions on Systems, Man, and Cybernetics: Systems
Issue number9
Publication statusPublished - 2019 Sept

Bibliographical note

Funding Information:
Manuscript received December 11, 2017; revised February 24, 2018; accepted April 3, 2018. Date of publication May 8, 2018; date of current version August 16, 2019. This work was supported in part by the Shanghai Sailing Plan through Shanghai Science and Technology Commission under Grant 17YF1407300, in part by the National Research Foundation of Korea through the Ministry of Science, ICT and Future Planning under Grant NRF-2017R1A1A1A05001325, and in part by the Talent Program through Shanghai University of Engineering Science. This paper was recommended by Associate Editor J. Sarangapani. (Corresponding authors: Xiaohang Li; Choon Ki Ahn.) X. Li is with the School of Electric and Electrical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China, and also with the MOE Key Laboratory of Image Processing and Intelligence Control, Huazhong University of Science and Technology, Wuhan 430074, China (e-mail:

Publisher Copyright:
© 2018 IEEE.


  • Fault estimation (FE)
  • Markovian jump system (MJS)
  • fault-tolerant control (FTC)
  • observer design

ASJC Scopus subject areas

  • Software
  • Control and Systems Engineering
  • Human-Computer Interaction
  • Computer Science Applications
  • Electrical and Electronic Engineering


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