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This paper presents the design method of fault tolerant controller and fault detection observer for Networked Control Systems (NCSs) with packet dropouts governed by a Markov chain. The packet dropouts are transformed into the networked induced time delays because of the consideration of some late arrival packets. The closed-loop NCSs with an observer-based feedback controller and time-delay outputs...
The paper is concerned with the problem of input-to-state stability (ISS) for a class of systems with large delay period (LDP). The concepts of the length rate of LDP and the frequency of LDP are introduced. First the considered system is converted into a switched delay system which may include an unstable subsystem. Then based on a piecewise Lyapunov functional, the ISS conditions of the systems...
This paper is concerned with the optimal filter problems for networked systems with random transmission delays, while the delay process is modeled as a multi-state Markov chain which incorporates the data losses naturally. By defining an indicator function of the random delay, the optimal filter problems are transformed into the ones of the standard Markov jumping parameter measurement system. We...
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