마운트의 비대칭 히스테리시스 특성 모델링에 관한 연구
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In this paper, a mathematical model for the rubber strut mount connecting suspension spring and shock absorber assemblies with vehicle body is developed. The characteristic test for the rubber strut mount is conducted with a MTS hydraulic test and a test jig is manufactured. The characteristic of the mount force tends to be more nonlinear and asymmetric hysteresis loops according to excitation input. The Bouc-Wen model and asymmetric method proposed by Ni is employed to represent the nonlinear hysteretic response and asymmetric characteristic of the mount. The ADAMS program is used for the dynamic analysis and the Visual DOC software is employed to find the optimal parameters of the proposed model. An error analysis is conducted to verify the availability of the proposed model.
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