An extension to operational space for kinematically redundant manipulators: Kinematics and dynamics

被引:18
作者
Chang, PH [1 ]
Park, KC
Lee, S
机构
[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
[2] Samsung Adv Inst Technol, Kyungki Do, South Korea
来源
IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION | 2000年 / 16卷 / 05期
关键词
dynamics; kinematics; null space; operational space; redundant manipulator; statics;
D O I
10.1109/70.880809
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
An extension to operational space (EXOS) is presented for the explicit representation of the null-space (NS) dynamics and its interaction with the operational-space dynamics. First, the EXOS Jacobian is formed by augmenting the Jacobian matrix with a minimum number of its NS vectors. Based on the EXOS Jacobian, free of algorithmic singularity, the kinematics, statics, and dynamics of a redundant manipulator are derived in a compact form. In particular, the resulting EXOS dynamics is able to identify the inner dynamic structure. Its efficacy and efficiency have been demonstrated through comparative analysis and simulation.
引用
收藏
页码:592 / 596
页数:5
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