期刊
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
卷 37, 期 -, 页码 282-291出版社
ELSEVIER
DOI: 10.1016/j.cnsns.2016.01.017
关键词
Dulling oscillator; Rase excitation; Jumps; Cubic stiffness coefficient; Viscous damping coefficient
类别
资金
- Ministry of Higher Education Malaysia
- Univcrsiti Tcknikal Malaysia Melaka through the Bumiputera Academic Training Scheme (SLAB) [PJP/2010/FKM (2B) 648]
This work concerns the application of certain non-linear phenomena - jump frequencies in a base-excited Duffing oscillator - to the estimation of the parameters of the system. First, approximate analytical expressions are derived for the relationships between the jump-up and jump-down frequencies, the damping ratio and the cubic stiffness coefficient. Then, experimental results, together with the results of numerical simulations, are presented to show how knowledge of these frequencies can be exploited. (C) 2016 Elsevier B.V. All rights reserved.
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