Influence of flexible structure vibration on the excitation forces delivered by multiple electrodynamic shakers

Guiwei Zhang,Weiguang Li,Xiaochen Wang,Zhichun Yang

Mechanical Systems and Signal Processing（2022）

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摘要

•The relationship between force FRF matrix and dynamic characteristics of the coupled system is revealed.•Parameters discrepancy of two shakers will only arise an amplitude discrepancy between Fij and Fji.•The excitation forces are coupled due to structural vibration.

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关键词

Electrodynamic shaker,Lumped parameter model,Hamiltonian principle,Galerkin’s approach,Force characteristics,Shaker structure coupling

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