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- Title
Study on Dynamic Characteristics of the Bistable Nonlinear Damper.
- Authors
Liu, Yunan; Li, Xianhui; Yang, Min; Zhao, Junjuan; Wang, Wenjiang
- Abstract
A conventional dynamic vibration absorber based on resonance effect can hardly satisfy the requirement for low-frequency and broadband vibration control in actual engineering. Combined with passive and nonlinear vibration absorption strategy, this study employed nonlinear characteristics of the magnetic force, bistable structure to establish the dynamic model of the main system with a bistable vibration absorber. The nonlinear motion states of the structure under different excitation conditions were analyzed to explore the inherent relation between the chaotic and large amplitude motion and the vibration absorber's operating performance. The effect laws of the structural parameters on the dynamic characteristics of the nonlinear vibration absorber and the main system were developed to obtain the optimal parameter settings in the case of resonance and off-resonance of the main system. These results provide an insightful theoretical foundation for the optimal design of the nonlinear vibration absorber.
- Subjects
VIBRATION absorbers; AUTOMATIC control systems; VIBRATION absorption; RESONANCE effect; MAGNETISM
- Publication
Applied Sciences (2076-3417), 2023, Vol 13, Issue 2, p878
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app13020878