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Sliding mode robust fault-tolerant control for uncertain systems with time delay

  • Pu Yang (杨 浦)
  • Jiangfan Ni (倪江帆)
  • Xu Pan (潘 旭)
  • Ruicheng Guo (郭瑞诚)
Article

Abstract

Considering the modeling uncertainties and external disturbance, a kind of sliding mode robust H fault-tolerant control method for time delay system with actuator fault is proposed. The upper-bound of the uncertainties is considered as a known constant, while the upper-bound of the actuator fault is unknown. A sufficient condition for the existence of an integral sliding mode dynamics is given in terms of linear matrix inequality (LMI). A novel adaptive law is given to estimate the unknown upper-bound of faults. On this basis, a type of sliding mode robust H fault-tolerant control law is designed to guarantee the asymptotic stability and the H performance index of the system. Finally, the simulation on quad-rotor semi-physical platform demonstrates the reliability and validity of the method.

Key words

fault-tolerant control sliding mode control time delay robust H 

CLC number

TP 273 

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Copyright information

© Shanghai Jiaotong University and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Pu Yang (杨 浦)
    • 1
  • Jiangfan Ni (倪江帆)
    • 1
  • Xu Pan (潘 旭)
    • 1
  • Ruicheng Guo (郭瑞诚)
    • 1
  1. 1.Academy of AutomationNanjing University of Aeronautics & AstronauticsNanjingChina

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