Event-triggered fault estimation and accommodation design for linear systems

Event-triggered fault estimation and accommodation design for linear systems

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The problem of event-triggered active fault-tolerant control (E-AFTC) of discrete-time linear systems is addressed in this chapter by using an integrated design of event-triggered fault/state estimator with a fault-tolerant controller. An event-triggered observer is proposed which can simultaneously provide an estimate of the system states and faults. Through an event-triggered transmission mechanism, it is shown that the amount of data sent to the observer module is significantly reduced. Moreover, an observer-based fault-tolerant controller based on fault and state estimates is designed.

Chapter Contents:

  • 6.1 Introduction
  • 6.2 Problem statement
  • 6.2.1 System discerption
  • 6.2.2 Problem definition
  • 6.2.3 Problem formulation
  • 6.3 Main results
  • 6.4 Case study
  • 6.5 Conclusion

Inspec keywords: fault diagnosis; linear systems; fault tolerant control; discrete time systems; control system synthesis; observers

Other keywords: event-triggered observer; discrete-time linear systems; event-triggered active fault-tolerant control problem; event-triggered fault-state estimator design; E-AFTC problem; system state estimation; observer-based fault-tolerant controller; accommodation design; event-triggered transmission mechanism

Subjects: Control system analysis and synthesis methods; Discrete control systems; Simulation, modelling and identification

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