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This paper deals with the problem of asymptotic stability of switched TS fuzzy system with multiple delays in discrete-time. New algebraic criteria are suggested independently on the size of the multiple delays. Our analysis is based on the Gershgorin's disc Theorem, a-transformation and permutation matrix methods. The main advantage of these methods is that it avoids the issue of computations complexity...
This work investigates the problem of state controller synthesis of switched system with time-varying delay. Based on Lyapunov-krasovskii technique and the average dwell time approach (ADTA), a switched state feedback controller is created such that the system is exponentially stable and a weighted La-gain is accomplished. By solving a set of linear matrix inequalities (LMIs), controller parameters...
This paper investigates stabilization for a class of uncertain discrete-time switched TS fuzzy systems with with time-varying delays. By using Gershgorin's disc theorem, a new delay-independent criteria for time-delay systems are established to design a state feedback controller by using induced norm control, which guarantee that the corresponding closed-loop system is robustly asymptotically stable...
This paper studies the problem of asymptotic stability for discrete-time switched T-S fuzzy systems with multiple delays. A novel algebraic criterion is proposed for the delay-independent asymptotic stability of the system, based on semipositivity and M-matrix properties. The major benefit of this technique is that it avoids the problem of computations complexity over LMIs constraints. Two numerical...
This work investigates current control of an isolated bidirectional Phase-Shifted (PS) Dual Active Bridge (DAB) DC-DC converter (270V/28V, 5kW), for an energy storage application based on a 28V Li-Ion Battery. Two control strategies are investigated. First, a nonlinear average-model-based Sliding Mode Controller (SMC) is developed. Then, a model-less Fuzzy Control (FC) is presented and proven to be...
In this work, delay-independent stability conditions for discrete-time switched fuzzy TS time-delay systems described by delayed difference equations are presented. Vectorial norm approach and M-matrix properties are utilized for the stability analysis. The main benefit of this technique is that it avoids the problem of existence of Lyapunov functions. A numerical example is given to demonstrate the...
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