Fault Detection for Nonlinear Networked Control Systems With Sensor Saturation and Random Faults

A fault detection filter is designed for a class of nonlinear networked control systems with sensor saturation, random packet loss and delay, a unified model is constructed to describe the transmission delay caused by packet loss and network induction. By constructing Lyapunov function and using the convex optimization algorithm, a parameter matrix of the H_∞ fault detection filter is obtained by solving a series of linear matrix inequalities, which guarantees that the error system satisfies a concerned performance index. Finally, the validity of the proposed method is illustrated by a numerical example on the internet-based three-tank system.

Abstract licence: CC BY-NC-ND

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