Abstract
The dynamic characteristics of a Rubber Mount (RM) are dependent on preload, excitation amplitude and excitation frequency. In this paper, a nonlinear model for modelling the dynamic performances of a RM is proposed based on the assumption that the force of a RM sustained is a superposition of elastic force, friction force and viscoelastic force. The methods for estimating the model parameters are presented in detail. The time response for a single-degree-of-freedom system using the proposed model and the parameter identification method are estimated, and the calculated displacement vs. time relation for the mass agree well with the experiment data, which validates the model and the parameter identification method.
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