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Analysis of Robot Accuracy Assessed via its Joint Clearance by Virtual Prototyping Method

GUO Ling WANG Li-hong ZHANG Yu-ru

国际设备工程与管理(英文版)2004,Vol.9Issue(1):25-34,10.
国际设备工程与管理(英文版)2004,Vol.9Issue(1):25-34,10.

Analysis of Robot Accuracy Assessed via its Joint Clearance by Virtual Prototyping Method

Analysis of Robot Accuracy Assessed via its Joint Clearance by Virtual Prototyping Method

GUO Ling 1WANG Li-hong 2ZHANG Yu-ru1

作者信息

  • 1. Institute of Robotics, Beijing University of Aeronautics & Astronautics, Beijing 100083, P. R. China
  • 2. D epartment of Mechanical and Electrical Engineering, Zhengzhou Institute of Aeronautical Industry Management, Zhengzhou 450015, P. R. China
  • 折叠

摘要

Abstract

This paper discusses how joint clearance influences robot end effector positioning accuracy and a robot accuracy analysis approach based on a virtual prototype is proposed. First, a 5-DOF( Degree of freedom) rneurosurgery robot was introduced. Then we built its virtual prototype, made movement planning and measured the manipulator tip accuracy, through which this robot accuracy portrait was obtained. Finally,in order to validate the robot accuracy analysis approach which is based on a virtual prototype, the result was compared with that from a model built by robot forward kinematics and robot differential kinematics.The robot accuracy analysis approach presented in this paper gives a new way to enhance robot design quality, and help to optimize the control and programming of the robot.

关键词

robot/joint clearance/accuracy analysis/virtual prototype

Key words

robot/joint clearance/accuracy analysis/virtual prototype

分类

机械制造

引用本文复制引用

GUO Ling,WANG Li-hong,ZHANG Yu-ru..Analysis of Robot Accuracy Assessed via its Joint Clearance by Virtual Prototyping Method[J].国际设备工程与管理(英文版),2004,9(1):25-34,10.

基金项目

This paper is supported by the National High Technology Research and Development Program of China under Grant No. 2001 AA422110. ()

国际设备工程与管理(英文版)

1007-4546

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