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一种新型4自由度柔顺并联机构的设计和特性

胡俊峰 徐贵阳

胡俊峰, 徐贵阳. 一种新型4自由度柔顺并联机构的设计和特性[J]. 机械科学与技术, 2014, 33(4): 496-500.
引用本文: 胡俊峰, 徐贵阳. 一种新型4自由度柔顺并联机构的设计和特性[J]. 机械科学与技术, 2014, 33(4): 496-500.
Hu Junfeng, Xu Guiyang. The Design and Properties of a Novel 4-DOF Compliant Parallel Mechanism[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(4): 496-500.
Citation: Hu Junfeng, Xu Guiyang. The Design and Properties of a Novel 4-DOF Compliant Parallel Mechanism[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(4): 496-500.

一种新型4自由度柔顺并联机构的设计和特性

基金项目: 

国家自然科学基金项目(51265016)

江西省教育厅科技项目(GJJ12358)

江西省科学基金项目(20122BAB216029)

江西理工大学科研基金项目(jxxj12050)资助

详细信息
    作者简介:

    胡俊峰(1978-),副教授,博士,研究方向为柔顺机构及振动控制,hjfsuper@126.com

The Design and Properties of a Novel 4-DOF Compliant Parallel Mechanism

  • 摘要: 设计一种新型4自由度精密微动平台,并对其静态和动态特性进行分析。在传统4-RRUR并联机构的基础上,采用替换法设计具有解耦的柔顺并联机构。采用有限元软件ANSYS对机构进行刚度和运动学分析,分析结果表明所设计的平台具有解耦的X和Y方向平动,并能实现4自由度微动。对机构进行灵敏度分析表明该柔顺机构的各个方向的位移灵敏度约为6μm/μm,说明平台灵敏。对机构进行模态分析,从振型可以看出该机构能实现4自由度方向的运动,并分析了在有和无预应力两种情况下的固有频率,两者差值范围为17.2%~52.4%,说明预应力对机构的固有频率有较大影响。
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出版历程
  • 收稿日期:  2012-12-27
  • 刊出日期:  2015-06-10

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