基于旋量的6R机械手运动学分析
首发时间:2016-04-26
摘要:基于旋量理论建立6R机械手臂的运动学模型,与传统的D-H参数法相比,旋量法从整体上描述刚体的运动,避免了用局部坐标系描述时所造成的奇异性。本文提出一种基于旋量理论的建立运动学方程方法,消除关节6长度对逆解计算的影响。应用于一种特殊尺寸的六自由度机械手,利用Paden-Kahan子问题算法进行运动学逆解,为后续设计控制方法及运动规划做了必要准备。
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Analysis for Kinematics of 6R Manipulator Based on Screw Theory
Abstract:The kinematics model of 6R robot is established based on the theory of spinors, compared with the traditional D-H method, the screw method described from the whole rigid body movement, to avoid the singularity caused by describing the local coordinate system. This paper presents a method to establish the kinematics equation based on screw theory, eliminate the influence of the length of 6 joint inverse calculation. In the application of a special dimension of six degree of freedom manipulator, the inverse kinematics solution of the Paden-Kahan sub problem is used to prepare the following design control method and motion planning.
Keywords: tandem robot screw theory exponential product inverse kinematics
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No.4684647114301814****
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