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柔顺机构频率特性分析

Keywords: 柔顺机构,有限元,固有频率,灵敏度

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Abstract:

为了提高柔顺机构的操作精度和工作性能,需要对其频率特性进行研究.基于有限元方法,建立柔顺机构的动力学方程,得到系统各阶固有频率和模态.并在此基础上,给出了机构固有频率灵敏度的计算方法.算例结果表明,柔顺机构频率特性与各设计参数间存在着特有的内在关系,最后说明了该方法对柔顺机构频率特性分析的可行性和有效性.

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