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两种3-PUU微操作机构的运动性能比较

Keywords: 3-PUU微操作机构,逆运动学,灵活度

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Abstract:

为选择微操作机构的构型,分析、比较了2种具有不同导路的3-PUU平动并联微操作机构(垂直导路和汇交导路)的运动性能,对这2种机构进行了逆运动学分析,推导出相应的常值逆雅可比,并以此为基础对相同尺寸参数条件下2种机构工作空间的大小及操作灵活性的优劣进行了对比分析.结果显示,垂直导路的3-PUU微操作机构具有更大的工作空间,而2种机构的灵活性相同,所以垂直导路型3-PUU微操作机构的运动性能比汇交导路型更加理想.

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