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�������պ����ѧѧ�� 2001, Vol. 27 Issue (5) :604-607    DOI:
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�ξ���1, �ﺺ��2*
1. �������պ����ѧ ��е���̼��Զ���ѧԺ;
2. �����ʵ��ѧ ��е���ӹ���ϵ
Analysis of Kinematics of Three-Branch Space Robot
REN Jing-yi1, SUN Han-xu2*
1. Beijing University of Aeronautics and Astronautics, School of Mechanical Engineering and Automation;
2. Beijing University of Posts and Telecommunications, Dept. of Mechanical and Electronics Engineering

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Abstract�� The kinematics of a three-branch space robot mechanism was analyzed by presenting its model and discussing its three working modes. The space robot is a kind of serial-parallel mechanism when it is working in carrying and cooperating modes. Since six out of its twelve joints are independent in this case, it is difficult to analyze and control this robot. By using influence coefficient method, the motion constraint equations of the mechanism were derived. The mapping of input and output was established. The inverse kinematics about velocity and acceleration were also solved.
Keywords�� robots   kinematics   Jacobi matrices     
Received 2000-03-21;
About author: �ξ���(1972-),��,����������,��ʿ��,100083,����.
�ξ���, �ﺺ��.��������֧�ռ�����˵��˶�ѧ����[J]  �������պ����ѧѧ��, 2001,V27(5): 604-607
REN Jing-yi, SUN Han-xu.Analysis of Kinematics of Three-Branch Space Robot[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2001,V27(5): 604-607
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2001/V27/I5/604
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