Finite-Time Fault-Tolerant Control for a Nonlinear SISO System with Actuator Faults

Abstract

This article focuses on output feedback finite-time adaptive fuzzy fault-tolerant control (FTC) scheme for a single-input single-output (SISO) nonlinear system. By introducing parameter estimation technique and a state observer, the actuator faults and estimate the immeasurable states are compensated, respectively. Combining finite-time theory with backstepping design technique, a finite-time FTC scheme is proposed. The presented control scheme not only guarantees that the closed-loop system is stable, and also ensures that tracking error converge to the zero in finite-time. The simulation example is given to elaborate the effectiveness of the developed control scheme.