STABILITY OF SWITCHED POLYNOMIAL SYSTEMS |
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Authors: | Zhiqiang Li Yupeng Qiao Hongsheng Qi Daizhan Cheng |
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Institution: | (1) Institute of Systems Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, 100190, China |
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Abstract: | This paper investigates the stability of (switched) polynomial systems. Using semi-tensor product of matrices, the paper develops
two tools for testing the stability of a (switched) polynomial system. One is to convert a product of multi-variable polynomials
into a canonical form, and the other is an easily verifiable sufficient condition to justify whether a multi-variable polynomial
is positive definite. Using these two tools, the authors construct a polynomial function as a candidate Lyapunov function
and via testing its derivative the authors provide some su±cient conditions for the global stability of polynomial systems.
This research is supported partly by the National Natural Science Foundation of China under Grant Nos. 60674022, 60736022,
and 60221301. |
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Keywords: | Global asymptotical stability semi-tensor product switched polynomial systems |
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