Study on the Global Bifurcation of Quasi-Zero-Stiffness System

Qing Chao Yang; Li Hua Yang; Yan Ping Chen; Hao Kai Lai

doi:10.4028/www.scientific.net/AMM.397-400.451

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 397-400Study on the Global Bifurcation of...

Study on the Global Bifurcation of Quasi-Zero-Stiffness System

Abstract:

According to the characteristics of the quasi zero stiffness (QZS) system, a dynamics approximation model is established. The effect of excitation force amplitude, frequency and stiffness on the dynamic characteristics of the system is studied by continuation algorithm. The global bifurcation diagram with a wide range of parameters is achieved by using Poincaré mapping method. Results show that when the exciting force amplitude increases to a certain extent, the system will come into multi-cycle and chaos motion state. When exciting force frequency is lower, the system dynamic behavior is complicated, which is helpful for the engineering optimization design.

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Periodical:

Applied Mechanics and Materials (Volumes 397-400)

Pages:

451-456

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.397-400.451

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Online since:

September 2013

Authors:

Qing Chao Yang, Li Hua Yang, Yan Ping Chen, Hao Kai Lai

Keywords:

Global Bifurcation, Poincaré Mapping Method, Quasi-Zero-Stiffness System

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