Horseshoe in a modified Van der Pol–Duffing circuit |
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| Authors: | Qing-ju Fan |
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| Affiliation: | aDepartment of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;bSchool of Science, Wuhan University of Technology, Wuhan 430072, China |
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| Abstract: | In this paper, we study a modified Van der Pol–Duffing circuit, and present a rigorous verification for existence of chaos in this system. The arguments are given in the manner of computer-assisted proof by using topological horseshoe theory. |
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| Keywords: | Chaos Topological horseshoe Poincaré map Van der Pol– Duffing circuit |
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