Modelling and simulation of sensor fault-tolerant networked control system with uncertainties

作者：Wu Yanpeng; Wu Ying

来源：International Journal of Computer Applications in Technology, 2017, 56(3): 210-218.

DOI：10.1504/IJCAT.2017.088198

• Fault tolerant control
• LMIs
• Modelling and simulations
• Multiple parameters
• Norm-bounded uncertainty
• Random time delay
• Sensor failure
• Uncertainties

This paper investigates the problem of fault-tolerant control against sensor failures for a class of uncertain networked control system with random time delays. A novel fault-tolerant control scheme against sensor faults with consideration of both time delays and norm-bounded uncertainties is proposed to stabilise the target fault system. A complete fault model of sensors is developed with the objective to represent the type and degree of sensor faults in an integrated parameterised way in plant model. By employing multiple parameter-dependent Lyapunov–Krasovskii functions, sufficient conditions of system stabilisation and robust fault mode dependent controllers are derived. The simulation results show the effectiveness of the proposed method.

• 出版日期2017