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Identification of parameters for metal rubber isolator with hysteretic nonlinearity characteristics

Yan Hui Jiang Hong-Yuan Liu Wen-Jian Ulannov A. M.

Identification of parameters for metal rubber isolator with hysteretic nonlinearity characteristics

Yan Hui, Jiang Hong-Yuan, Liu Wen-Jian, Ulannov A. M.
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  • Received Date:  16 December 2008
  • Accepted Date:  20 January 2009
  • Published Online:  20 August 2009

Identification of parameters for metal rubber isolator with hysteretic nonlinearity characteristics

  • 1. (1)哈尔滨工业大学机电工程学院,哈尔滨 150001; (2)萨玛拉国立航空航天大学,俄罗斯萨玛拉 443086

Abstract: The nonlinear dynamic characteristics of metal rubber isolator are studied and a dynamic model with parameters with physical meaning is developed in this paper. According to the experimental results from a setup with single degree of freedom, the identification method for related parameters is researched. The nonlinear function that describes the dynamic behavior of the system is converted to the series of linear functions by using energy method and least square method. The identification results show good agreement with the experimental results and explain the effect of parameters on the performance of isolators.

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