Fault Detection and Reconstruction for Discrete Nonlinear Systems via Takagi-Sugeno Fuzzy Models

  • Shenghui Guo
  • Fanglai Zhu
  • Wei Zhang
  • Stanisław H. Żak
  • Jian Zhang
Regular Papers Control Theory and Applications


Observer-based actuator fault detection and sensor fault reconstruction for a class of discrete-time nonlinear systems with actuator and sensor faults are investigated in this paper. A descriptor Takagi-Sugeno (T-S) fuzzy model is employed to construct observer-based systems for the purpose of fault detection and sensor fault reconstruction. Two methods for observer design are proposed. In the first method, the observer gains are computed off-line. In the second method, the observer gains are computed on-line at each iteration. The observer designs are formulated using linear matrix inequalities. Sufficient conditions for the existence of the observer-based fault detection and sensor fault reconstruction systems are provided. Comparative simulation study to illustrate the validity of the proposed methods is performed.


Discrete-time systems fault diagnosis singular systems state estimation 


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Copyright information

© Institute of Control, Robotics and Systems and The Korean Institute of Electrical Engineers and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Shenghui Guo
    • 1
    • 2
    • 3
  • Fanglai Zhu
    • 4
  • Wei Zhang
    • 5
  • Stanisław H. Żak
    • 6
  • Jian Zhang
    • 7
  1. 1.College of Electronics and Information EngineeringSuzhou University of Science and TechnologySuzhouChina
  2. 2.College of Automation EngineeringNanjing University of Aeronautics and AstronauticsNanjingChina
  3. 3.Seloon Elevator Co., Ltd.SuzhouChina
  4. 4.College of Electronics and Information EngineeringTongji UniversityShanghaiChina
  5. 5.Laboratory of Intelligent Control and RoboticsShanghai University of Engineering ScienceShanghaiChina
  6. 6.School of Electrical and Computer EngineeringPurdue UniversityWest LafayetteU.S.A.
  7. 7.School of Mechanical EngineeringTongji UniversityShanghaiChina

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