Abstract
Spatial Operator Algebra (SOA) was an operator theory based on Lie Group and Screw, and it implemented a recursion algorithm of O(n) with clear physical meanings. In order to increase the efficiency of dynamics modeling of modular manipulator, a kind of efficient modeling method using SOA is proposed in this paper. The conceptual design of basic modules is presented and the mathematical relationship between each module is described by the transformation matrix. Thereafter, a dynamics modeling method of modular manipulator is proposed based on Spatial Operator Algebra which has the characters of concise format and efficient calculation. Finally, a simulation for the 6-DOF modular manipulator is carried out and compared with ADAMS model, to verify the effectiveness and validity of this method.
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