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With the fast development of digital computers, more industrial processes are controlled by digital processors and there is an increasing demand for improving the system reliabilities. The robustness in model-based fault detection has received a lot of attention during the last two decades, and RFDO (robust fault detection observer) forms an important branch of fault detection. However, most of current...
In this paper, the uniformly ultimately bounded (UUB) switching control problem is investigated for a class of continuous-time switched linear systems with parametric uncertainties and exterior disturbances. It is assumed that each subsystem is UUB. First, a class of switching signals, which may contains infinite number of switching and preserves the UUB of the switched systems, is characterized....
This paper studies a quantized dynamic output feedback H∞ control problem for continuous-time linear time-invariant (LTI) systems. The quantizers considered here are dynamic and time-varying. For the quantized closed-loop system, a control strategy dependent on not only the controller states but also the system measurement outputs is proposed with updating two independent quantizer's parameters, such...
This paper deals with the design problem of reliable H∞ switching fuzzy controllers for continuous-time nonlinear systems with different actuator fault mode. The Takagi-Sugeno (T-S) fuzzy model is employed to represent a nonlinear system. A class of faulty switched system is constructed to model various faulty nonlinear systems. The objective is to design a state-feedback switching controller such...
This paper is concerned with the adaptive reliable H∞ filtering problem against sensor failures for continuous-time linear systems. An adaptive H∞ performance index is defined to describe the disturbance attenuation performance of systems with time-varying parameter estimations. By combining the linear matrix inequality (LMI) approach for H∞ filter design and adaptive method, a method of designing...
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