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research-article

Fault-Tolerant Control for LTV Impulsive Singular Systems Subject to Actuator Saturation and L8 Disturbances

[+] Author and Article Information
Mahmood Khatibi

Advanced Control Systems Lab, Electrical Engineering Department, Sharif University of Technology, Tehran, Iran
mahmood_khatibi@ee.sharif.edu

Mohammad Haeri

Advanced Control Systems Lab, Electrical Engineering Department, Sharif University of Technology, Tehran, Iran
haeri@sina.sharif.edu

1Corresponding author.

ASME doi:10.1115/1.4036880 History: Received October 07, 2016; Revised May 12, 2017

Abstract

This paper explores the fault-tolerant control problem for uncertain impulsive singular LTV systems in the presence of bounded-power or L8 disturbances. Here, a saturation avoidance mechanism is employed to prevent faulty actuators from overloading. Also the conflict between attenuating the effect of L8 disturbances and enlarging the domain of attraction is tackled by proposing a non-constant state feedback controller. In addition, the proposed method is capable of tolerating time-varying faults. The suggested method is implemented on a sample electrical circuit with impulsive and time-varying nature to evaluate its competency.

Copyright (c) 2017 by ASME
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