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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Lu, Junjie She, Zhikun Xue, Bai |
| Copyright Year | 2015 |
| Description | Author affiliation: Centre for High Performance Embedded Systems, Nanyang Technological University, Singapore (Xue, Bai) || School of Mathematics and Systems Science, Beihang University, Beijing, China (Lu, Junjie) || SKLSDE, LMIB and School of Mathematics and Systems Science, Beihang University, Beijing, China (She, Zhikun) |
| Abstract | We in this paper analyze the global exponential stability of switched hybrid systems, whose subsystems have polynomial vector fields, by discovering multiple Lyapunov functions in quadratic forms. We start with an algebraizable sufficient condition for the existence of quadratic multiple Lyapunov functions. Then, since different discrete modes are considered, we apply real root classification together with a projection operator to under-approximate this sufficient condition step by step, arriving at a set of semi-algebraic sets which only involve the coefficients of the pre-assumed multiple Lyapunov function. Afterwards, we compute a sample point in the corresponding semi-algebraic set for the coefficients, resulting in a multiple Lyapunov function. Finally, we test our approach on some examples using a prototypical implementation. These computation results show the applicability and promise of our approach. Especially, our present approach can further be extended for discovering multiple homogeneous Lyapunov functions of even degree. |
| Starting Page | 4252 |
| Ending Page | 4259 |
| File Size | 195067 |
| Page Count | 8 |
| File Format | |
| e-ISBN | 9781479978861 |
| DOI | 10.1109/CDC.2015.7402882 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-12-15 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Switches Lyapunov methods Control theory Stability Asymptotic stability Switched systems Trajectory |
| Content Type | Text |
| Resource Type | Article |
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