DocumentCode :
2802996
Title :
Inverse kinematic solutions for redundant manipulators using compact formulation
Author :
Cheng, Fan-tien ; Chen, Tsing-Hua ; Sun, York-Yih
Author_Institution :
Electron. Div., Chung Shan Inst. Sci. Tech. Lung-Tan, Taiwan
fYear :
1991
fDate :
3-5 Nov 1991
Firstpage :
153
Abstract :
The inverse kinematic problem of redundant manipulators is solved by the compact formulation technique. The compact formulation is derived by applying Gaussian elimination, then the general solutions are still formulated as a particular solution together with homogeneous solutions. The homogeneous solutions are merely functions of free variables. Inverse kinematic solutions derived by the pseudoinverse formulation can always be converted into a compact form. Also, it is proven that the implementation by the compact formulation is computationally more efficient. The inherent singularity problems of inverse kinematics are also considered. In order to obtain continuous and feasible joint-rate solutions even at or in the neighborhood of singular points and to improve the exactness in the achievable directions, the compact-inverse method is introduced. The compact-inverse method applies the compact formulation to constrain the manipulator to move into the achievable directions. It is believed that the compact formulation approach can resolve the inverse kinematic redundancy problem more efficiently and exactly than the traditional pseudoinverse formulation
Keywords :
inverse problems; kinematics; redundancy; robots; Gaussian elimination; compact formulation; compact-inverse method; continuous joint-rate solutions; homogeneous solutions; inherent singularity problems; inverse kinematics; pseudoinverse formulation; redundant manipulators; Contracts; Councils; Jacobian matrices; Kinematics; Manipulators; Null space; Orbital robotics; Robots; Sun;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Intelligent Robots and Systems '91. 'Intelligence for Mechanical Systems, Proceedings IROS '91. IEEE/RSJ International Workshop on
Conference_Location :
Osaka
Print_ISBN :
0-7803-0067-X
Type :
conf
DOI :
10.1109/IROS.1991.174442
Filename :
174442
Link To Document :
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