| 3-RPS并联机构的主动力和约束力分析 |
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| 引用本文： | 赵燕,黄真.3-RPS并联机构的主动力和约束力分析[J].燕山大学学报,2008,32(4). |
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| 作者姓名： | 赵燕 黄真 |
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| 作者单位： | 燕山大学机械工程学院,河北,秦皇岛,066004 |
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| 摘 要： | 对3-RPS并联机构进行了动力分析.首先,通过列出所有构件的力和力矩平衡方程确定驱动力和平台受到的约束反力,即3-RPS机构的球副反力.当主动力和球副反力得到,其它约束力就迎刃而解.本文给出了2个数值算例,求出了主动力和全部运动副的约束反力.并通过此例讨论这种方法的优缺点和将来的发展.
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| 关 键 词： | 3-RPS并联机构 运动学 动力分析 主动力:约束反力 |
Analysis of active forces and constraint reactions of 3-RPS parallel manipulator |
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| ZHAO Yan,HUANG Zhen.Analysis of active forces and constraint reactions of 3-RPS parallel manipulator[J].Journal of Yanshan University,2008,32(4). |
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| Authors: | ZHAO Yan HUANG Zhen |
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| Institution: | ZHAO Yan 1,HUANG Zhen 1 (1. College of Mechanical Engineering,Yanshan University,Qinhuangdao,Hebei 066004,China) |
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| Abstract: | In this paper, dynamics analysis of 3-RPS parallel manipulator is presented. In the first instance, the active forces and constraint reactions applied to the platform (the constraint reactions of the spherical joint) are determined from the dynamic equi-librium equations of the legs and the platform. Then the other constraint reactions can be gained easily. The results are listed by two numerical examples. The advantages and disadvantages of the method as well as its trend are also discussed. |
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| Keywords: | 3-RPS parallel manipulator kinematics dynamic analysis ctive forces constraint reactions |
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