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In this paper, the problem of H∞ dynamic output feedback control is considered for time-delay systems. First, a new method is proposed to obtain the H∞ performance criterion with decoupling structure, based on which the dynamic output feedback H∞ controller is designed. Then, the results are extended to the time-delay systems and the dynamic output feedback H∞ control problem is solved for systems...
This paper proposes a dynamic model of a closed-loop supply chain system with remanufacturing delay and disposal delay. A mixed algorithm combining immune genetic algorithm and linear matrix inequality method is designed for achieving the globally optimal performance of H∞ control for the closed-loop supply chain system. The study shows that the globally optimal performance of the system deteriorates...
This paper studies the H∞ control problem for a class of Takagi-Sugeno (T-S) fuzzy neutral systems with time-varying delays and actuator saturation, where the delay in neutral-type term includes a fast-varying case (i.e., the derivative of delay is more than 1), which is never considered in current literature for this systems. The new LMI-based delay-dependent H∞ control results for this systems are...
We investigate the problem of multi-sensor optimal H∞ filtering for a class of nonlinear systems with time delays. We use a nonlinear system model consisting of a linear dynamic system and a bounded static nonlinear operator. It unifies some (delayed) intelligent systems, including neural networks, Takagi and Sugeno (T-S) fuzzy models, Lur'e systems, as well as linear systems. Based on the H∞ performance...
This paper focuses on the observer design for nonlinear time-delay systems of neutral type. Nonlinearities of the system under consideration are supposed to be globally Lipschitz with respect to their arguments. We assume that the system output is corrupted by a norm-bounded noise and may contain delayed states. We brought new delay-dependent conditions under which the fault-tolerant observer converges...
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