Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : November 07, 2007 - November 09, 2007
This study proposes a method for suppressing the torques of the manipulators, with considering the effect of inertial forces in order to achieve the power-saved drive. The present study generates the trajectories, which here reveal time profiles of positions, velocities and accelerations of the entire path of the output point of manipulators. The trajectories of manipulators are introduced by determining both the initial position and motion curves for the entire path. This study expresses the motion curve as a polynomial and determines its coefficients. The initial pose and unknown coefficients are decided by a heuristic algorithm to achieve powersaved drive. As such problems have non-linearity and multi-peak solutions, it is difficult to find out the optimum one. Thus, this study uses a heuristic algorithm “SHA” to determine the appropriate motions of manipulators, because the heuristic algorithm is, as well known, an effective solution for such complicated problem. This study determines the optimal motions of the PUMA560 comprising spatial 3 degrees-of-freedom by the proposed method, and verifies its availability.
