期刊
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS
卷 214, 期 2, 页码 480-494出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cam.2007.03.009
关键词
robust stability; time-delay systems; linear matrix inequalities; time-varying delay; interval delay
This paper proposes an approach for the robust stability of uncertain systems with interval time-varying delay. The key features of the approach include the introduction of uncorrelated augmented matrix items into the Lyapunov functional and the use of a tighter bounding technology. Unlike existing methodologies, the proposed approach involves neither free weighting matrices nor any model transformation. It can, however, lead to much less conservative stability criteria than the existing ones for the systems under consideration. Numerical examples show that the proposed criteria improve the existing results significantly with much less computational effort. (c) 2007 Elsevier B.V. All rights reserved.
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