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在模态分析的基础上，应用结合面单元，建立了机床结构的动力学方程，经过优化计 算，识别了机床立柱和床身之间的结合面参数.结果表明，该方法可以有效的解决复杂结构结 合面参数的识别问题.
Based on the modal analysis, the dynamic equations of the machine tool structure are established by using the interface element, and the parameters of the interface between the machine tool column and the bed are identified through optimization calculation. The results show that this method can effectively solve the complex Identification of Structural Joint Parameters.