Decentralized stability for switched nonlinear large-scale systems with interval time-varying delays in interconnections

作者：Thanh Nguyen T; Phat Vu N^*

来源：Nonlinear Analysis: Hybrid Systems , 2014, 11: 22-36.

DOI：10.1016/j.nahs.2013.04.002

• Large-scale systems
• Switching rule
• Decentralized stability
• Interval time-varying delay
• Nonlinear perturbation
• Lyapunov function
• Linear matrix inequalities

In this paper, the problem of decentralized stability of switched nonlinear large-scale systems with time-varying delays in interconnections is studied. The time delays are assumed to be any continuous functions belonging to a given interval. By constructing a set of new Lyapunov-Krasovskii functionals, which are mainly based on the information of the lower and upper delay bounds, a new delay-dependent sufficient condition for designing switching law of exponential stability is established in terms of linear matrix inequalities (LMIs). The developed method using new inequalities for lower bounding cross terms eliminate the need for overbounding and provide larger values of the admissible delay bound. Numerical examples are given to illustrate the effectiveness of the new theory.

• 出版日期2014-1