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Turning methods for quadruped robot with two degrees of freedom per leg

本站小编 哈尔滨工业大学/2019-10-23

Turning methods for quadruped robot with two degrees of freedom per leg

Li Bin, YANG Yi-ping, SHAO Xue-song, Wang Wei

Institute of Automation,Chinese Academy of Sciences,Beijing 100190,China



Abstract:

With the target at simplicity like facilitating the mechanical system,the quadruped robots usually have limited degrees of freedom per leg.Addressing the robot whose legs have only two degrees of freedom,this paper explores several turning strategies including altering the median value,changing the phase difference,and modifying the amplitude.The insights of the proposed methods are that we break down the symmetries which exist during the process of the robot locomotion and rebuild them.Since we probe into the turning feasibility from the points of the median value,phase difference and amplitude in the sine functions,these turning methods are feature of universality.In order to evaluate these methods,this paper presents a new way to weigh the stability,which can be easily applied to practical robots.Experiments demonstrate that the quadruped turns around with little effort and endeavor.

Key words:  quadruped robot  turning methods  controller  amplitude  mediam value  phase difference

DOI:10.11916/j.issn.1005-9113.2011.05.002

Clc Number:TP242.6

Fund:


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