期刊
出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218348X22500049
关键词
Basin of Attraction; Fractal Basin Boundary; Wada Basin; Fractal Attractors
资金
- National Natural Science Foundation of China [11732014, 11572205]
- Natural Science Foundation of Shandong Province of China [ZR2021MA095]
We investigate the coexisting attractors and their Wada basins in a vibration isolation system under control parameters. The study shows that even though the attractors can be effectively controlled, Wada basins still exist, indicating a certain level of unpredictability in the system.
It is an open question whether Wada basin exists in control systems. We investigate coexisting attractors and their Wada basins for a given set of parameters in an uncontrolled and controlled vibration isolation system. Wada basins are verified by the Nusse-Yorke method. All coexisting chaotic attractors can be converted into periodic attractors but the basin structure can still possess Wada property by two control methods (an external drive control and a piecewise damping control) with the appropriate control parameters. The Wada basins of controlled systems imply a particular kind of unpredictability, and we should avoid selecting such control parameters although chaotic attractors are effectively controlled.
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