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Sub-optimal Operating Time for Saving Energy of an Articulated Manipulator
Teruyuki Izumi and Hai Zhou
Department of Electronic and Control Systems Engineering, Shimane University, 1060 Nishi-Kawatsu, Matsue, Shimane 690-8504, Japan
Received:March 23, 1999Accepted:April 2, 1999Published:August 20, 1999
Keywords:minimum energy, optimal operating time, manipulator, PTP motion
Abstract
Saving energy dissipated by the manipulators is important for improving the environment. We developed an optimal, suboptimal operating to minimize dissipated energy in PTP motion. Simplified velocity such as for parabolas and trapezoids identical to the optimal velocity are taken into consideration. Velocity functions are expanded with a time scale, and each component of dissipated energy is derived proportional to the power of expansion. Optimal expansion minimizing dissipated energy is easily obtained by solving an algebraic equation, and suboptimal operating time is determined from optimal expansion. Simulation confirmed that suboptimal operating time was similar to the optimal and that dissipated energy could be saved by selecting a suboptimal operating time.
Cite this article as:T. Izumi and H. Zhou, “Sub-optimal Operating Time for Saving Energy of an Articulated Manipulator,” J. Robot. Mechatron., Vol.11 No.4, pp. 289-297, 1999.Data files:
Copyright© 1999 by Fuji Technology Press Ltd. and Japan Society of Mechanical Engineers. All right reserved.
