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工程设计学报  2016, Vol. 23 Issue (3): 251-255,270    DOI: 10.3785/j.issn. 1006-754X.2016.03.009
建模、分析、优化和决策     
3-RPRR类平面全柔性并联机构拓扑优化设计
陈健伟, 朱大昌, 张荣兴, 朱城伟
江西理工大学 机电工程学院, 江西 赣州 341000
Topology optimization design for the 3-RPRR similarly planar fully compliant parallel mechanism
CHEN Jian-wei, ZHU Da-chang, ZHANG Rong-xing, ZHU Cheng-wei
School of Mechanical & Electrical Engineering, Jiangxi University of Science & Technology, Ganzhou 341000, China
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摘要:

针对全柔性并联机构的构型设计不能满足精密定位和微纳制造领域的需求,为提高全柔性并联机构的整体刚度、抗振性和抗干扰性,基于3-RPRR并联机构原型,采用型综合法,设计出与并联机构原型空间运动特性一致的3-RPRR类平面全柔性机构及其支链.运用拓扑优化的方法,得到铰链最优配置的3-RPRR类平面全柔性并联机构及其支链.采用Hyperworks/Radioss软件分别对这2种3-RPRR类平面全柔性并联机构进行静力学及模态分析,仿真结果表明:在实现相同运动特性的前提下,优化后的3-RPRR类平面全柔性并联机构不仅节省材料,而且在刚度、抗振性和抗干扰性方面更优.

关键词: 类平面全柔性并联机构拓扑优化静力学分析模态分析    
Abstract:

The configuration design of fully compliant parallel mechanism can't meet the demand of precision positioning and micro/nano manufacturing. In order to improve the overall stiffness, vibration resistance and interference immunity of the fully compliant parallel mechanism, a 3-RPRR similarly planar fully compliant parallel mechanism which had the same space motion characteristics to the prototype and its branched chains were designed by using type comprehensive method and based on the 3-RPRR prototype parallel mechanism. The optimal configuration of 3-RPRR similarly planar fully compliant parallel mechanism and its branched chains with topology optimization method were obtained. Then two models were respectively established by adopting Hyperworks/Radioss software, statics and modal analysis were carried out. The results showed that the optimized mechanism not only saved material, but also had better overall stiffness, vibration resistance and interference immunity under the premise of achieving the same motion characteristics.

Key words: similarly planar    fully compliant parallel mechanism    topology optimization    statics analysis    modal analysis
收稿日期: 2015-12-02 出版日期: 2016-06-28
CLC:  TH112  
基金资助:

国家自然科学基金资助项目(51165009,51105077);中国博士后科学基金资助项目(2013M541874);江西省自然科学基金重点资助项目(20142BAB206019);江西省科技厅-江西省自然科学基金项目(20151BAB206034).

作者简介: 陈健伟(1992-),男,江西宜春人,硕士,从事柔性并联机构拓扑优化设计研究,E-mail:921815113@qq.com.http://orcid.org//0000-0003-4102-7384;朱大昌(1973-),男,江西抚州人,教授,博士,从事全柔顺并联机构构型综合、微纳制造技术等研究,E-mail:1477802269@qq.com.http://orcid.org//0000-0002-6705-0577
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引用本文:

陈健伟, 朱大昌, 张荣兴, 朱城伟. 3-RPRR类平面全柔性并联机构拓扑优化设计[J]. 工程设计学报, 2016, 23(3): 251-255,270.

CHEN Jian-wei, ZHU Da-chang, ZHANG Rong-xing, ZHU Cheng-wei. Topology optimization design for the 3-RPRR similarly planar fully compliant parallel mechanism. Chinese Journal of Engineering Design, 2016, 23(3): 251-255,270.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn. 1006-754X.2016.03.009        https://www.zjujournals.com/gcsjxb/CN/Y2016/V23/I3/251

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