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基于正交设计的3-RPS并联机构精度分析与综合

李新友 陈五一 韩先国

李新友, 陈五一, 韩先国等 . 基于正交设计的3-RPS并联机构精度分析与综合[J]. 北京航空航天大学学报, 2011, 37(8): 979-984.
引用本文: 李新友, 陈五一, 韩先国等 . 基于正交设计的3-RPS并联机构精度分析与综合[J]. 北京航空航天大学学报, 2011, 37(8): 979-984.
Li Xinyou, Chen Wuyi, Han Xianguoet al. Accuracy analysis and synthesis of 3-RPS parallel machine based on orthogonal design[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(8): 979-984. (in Chinese)
Citation: Li Xinyou, Chen Wuyi, Han Xianguoet al. Accuracy analysis and synthesis of 3-RPS parallel machine based on orthogonal design[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(8): 979-984. (in Chinese)

基于正交设计的3-RPS并联机构精度分析与综合

基金项目: 航空科学基金资助项目(20081651025);北京市重点实验室基金资助项目
详细信息
    作者简介:

    李新友(1981-),男,河北保定人,博士生,lixinyou2000@163.com.

  • 中图分类号: TH 113

Accuracy analysis and synthesis of 3-RPS parallel machine based on orthogonal design

  • 摘要: 为了分析3-RPS并联机构在整个工作空间内各个位姿参数对位姿误差的影响程度,并且使该机构在整个工作空间内都满足精度要求,利用正交设计的思想对该机构进行了精度分析与精度综合.根据正交设计的思想,把该机构的3个位姿参数看成对位姿误差有影响的3个因素,用位姿误差的极差值作为敏感系数,通过极差分析得到了位姿参数对位姿误差的影响程度.以敏感系数的比值为依据合理划分各个因素的水平数,使排列的正交表为精度综合提供更加合理的位姿,对表中的各个位姿进行精度综合,得到了给定精度要求下的21项几何原始误差的公差值.结果表明:用正交设计的思想可以分析清楚位姿参数对位姿误差的影响程度,精度综合结果使机构在整个工作空间内满足精度要求,为物理样机的研制提供了参考.

     

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  • 收稿日期:  2010-04-12
  • 网络出版日期:  2011-08-30

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