Abstract

This paper is concerned with mean square exponential stability of stochastic systems with interval time-varying delays. The time delay is any continuous function belonging to a given interval. By constructing a suitable augmented Lyapunov-Krasovskii functional combined with Leibniz-Newton’s formula, new delay-dependent sufficient conditions for the mean square exponential stability of the stochastic systems are first established in terms of LMIs. AMS Subject Classification: 15A09, 52A10, 74M05, 93D05

Highlights

  • The analysis of stochastic systems with respect to mean square stability of their equilibria has attracted many researchers

  • To the best of our knowledge, interval time-varying delay and mean square exponential stability of stochastic systems, non-differentiable time-varying delays have not been fully studied yet, which are important in both theories and applications

  • By constructing augmented Lyapunov functional combined with LMI technique, we propose new criteria for the mean square exponential stability of stochastic systems with interval time-varying delay

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Summary

Introduction

The analysis of stochastic systems with respect to mean square stability of their equilibria has attracted many researchers. To the best of our knowledge, interval time-varying delay and mean square exponential stability of stochastic systems, non-differentiable time-varying delays have not been fully studied yet (see, e.g., [21–26] and the references therein), which are important in both theories and applications. The delay-dependent mean square exponential stability of stochastic systems with interval time-varying delay conditions are formulated in terms of LMIs. The outline of the paper is as follows.

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