一种二平动自由度并联机械手动力尺度综合

被引：12

作者：

张利敏

梅江平

赵学满

黄田

机构：

[1] 天津大学机械工程学院

来源：

天津大学学报 | 2010年 / 43卷 / 08期

基金：

国家高技术研究发展计划(863计划);

关键词：

并联机械手; 动力性能; 尺度综合;

D O I：

暂无

中图分类号：

TP241 [机械手];

学科分类号：

摘要：

研究一种二平动自由度高速并联机械手的动力尺度综合方法.在建立逆刚体动力学模型基础上,提出一种基于单轴最大驱动力矩全域最大值最小的动力学性能评价指标,该指标可表示为系统尺度和惯性参数及位形的显函数形式,可直接用于观察奇异位形的出现条件.建立雅可比矩阵奇异值的显式,提出一组兼顾速度、精度和刚度的传递角约束方程,通过考察奇异值与运动学性能的关系,可将传递角约束方程转化为性能约束方程,同时配以工作空间/机构尺度等约束条件,利用工程实例研究性能约束对尺度参数和动力学性能评价指标的影响规律,由此综合出在满足上述约束条件下使得系统动力学性能最优的尺度参数.

引用

页码：661 / 666

页数：6

共 15 条

[1] A global performance index for the kinematic optimization of robotic manipulators. Gosselin C M,Angeles J. Transaction of the ASAE . 1991
[2] Optimal Architecture Design of Parallel Manipulator for Best Accuracy. Jeha Ryu,Jongeun Cha. Proceeding of the 2001 IEEE/RSJ International Conference on Intelligent Robots and Systems . 2001
[3] Kinematics, singularity and workspace of planar 5R symmetrical parallel mechanisms. Xin-Jun Liu Jinsong Wang and G. Pritschow. Mechanism and Machine Theory . 2006
[4] Device for the movement and positioning of an element in space. Cavel R. US. Patent, No. 4,976,582 . 1990
[5] Conceptual design and di-mensional synthesis of a novel2-DOF translational parallel robot for pick-and-place operations. Huang Tian,,Li Zhanxian,Li Meng. Journal of Mechanical Design . 2004
[6] The optimum kinematic design of a spherical three-degree-of-freedom parallel manipulator. Gosselin CM,Angeles J. ASME Journal of Mechanisms, Transmissions and Automation in Design . 1989
[7] H4a:new family of 4-DOF paral-lel robots. Pierrot F,Company O. Proceedings of the IEEE/ASME Interna-tional Conference on Advanced Intelligent Mechatronics . 1 999
[8] Local dexterity,optimum architecture and design criteria of parallel machine tools. Huang Tian,Whitehouse D J,Wang Jinsong. CIRP Ann . 1 998
[9] Manipulability of Robot Manipulators. Yoshikawa T. The International Journal of Robotics Research . 1985
[10] Optimum design of 3-DOF spherical parallel manipulators with respect to the conditioning and stiffness indices. Liu Xinjun,J in Zhenlin,Gao Feng. Mechanism and Machine Theory . 2 000

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