An improved stability criteria for neutral-type Lur'e systems with time-varying delays
SCIE
SCOPUS
- Title
- An improved stability criteria for neutral-type Lur'e systems with time-varying delays
- Authors
- Park, JunMin; Lee, Seok Young; Park, PooGyeon
- Date Issued
- 2018-08
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Abstract
- This paper improves stability criteria for neutral-type Lur'e systems with time-varying delays, where the nonlinearity satisfies sector and slope restrictions. A proposed Lyapunov-Krasovskii functional consisting of a quadratic term and integral terms for the time-varying delays and the nonlinearities, has four different characteristics. First, the quadratic term utilizes not only the current and delayed states but also the nonlinear vectors. Second, the integral terms for nonlinearities fully exploit the characteristics of sector and slope restrictions. Third, the integral terms for nonlinearities also exploit the characteristic of incremental restriction induced from the slope restriction. Fourth, this paper utilizes a vector related to the time derivative of the neutral delayed state to handle the neutral delay. Based on the proposed Lyapunov-Krasovskii functional, the improved stability criteria are derived in terms of linear matrix inequalities. Numerical examples show that the proposed criteria present less conservative results than the previous criteria. (C) 2018 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/94681
- DOI
- 10.1016/j.jfranklin.2018.05.014
- ISSN
- 0016-0032
- Article Type
- Article
- Citation
- JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS, vol. 355, no. 12, page. 5291 - 5309, 2018-08
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