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CONTROL METHOD FOR FLOATING-BASE ROBOTS INCLUDING GENERATING FEASIBLE MOTIONS USING TIME WARPING
CONTROL METHOD FOR FLOATING-BASE ROBOTS INCLUDING GENERATING FEASIBLE MOTIONS USING TIME WARPING
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机译:时间偏移的浮基机器人产生可行运动的控制方法
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摘要
A control method, and a robot controller implementing the method, is provided that adapts human motions to floating-base humanoid robots with time warping techniques. The method of modifying a set of reference motions modifies the timeline of a reference motion so as to speed up or slow down one or more of the motions or motion segments. Through the use of time warping, the velocity and acceleration profiles of the motion are changed to turn an infeasible motion into a feasible one. The optimal time warping is obtained through a generalized motion feasibility index that quantifies the feasibility of a motion considering the friction constraint as well as the center-of-pressure (CoP) constraint. Due to the use of the motion feasibility index, the proposed motion adaptation method taught herein can be applied to motions on arbitrary terrains or with any number of links in contact with the environment.
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