The nonlinear piezoelectric tuned vibration absorber

被引:34
|
作者
Soltani, P. [1 ]
Kerschen, G. [1 ]
机构
[1] Univ Liege, Dept Aerosp & Mech Engn, Space Struct & Syst Lab, Liege, Belgium
关键词
vibration mitigation; nonlinear resonances; piezoelectric vibration absorber; principle of similarity; equal-peak method; SHUNT CIRCUITS; IMPEDANCE;
D O I
10.1088/0964-1726/24/7/075015
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
This paper proposes a piezoelectric vibration absorber, termed the nonlinear piezoelectric tuned vibration absorber (NPTVA), for the mitigation of nonlinear resonances of mechanical systems. The new feature of the NPTVA is that its nonlinear restoring force is designed according to a principle of similarity, i.e., the NPTVA should be an electrical analog of the nonlinear host system. Analytical formulas for the NPTVA parameters are derived using the homotopy perturbation method. Doing so, a nonlinear generalization of Den Hartog's equal-peak tuning rule is developed for piezoelectric vibration absorbers.
引用
收藏
页数:13
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