Abstract

At present, quadruped robot has attracted more and more scholars' attention, quadruped robot with load capacity can help human beings to carry out special work. However, the current quadruped robot is not suitable for heavy load work in terms of joint arrangement. In this study, the degree of freedom (DOF) analysis and type synthesis of Quadruped Robot with traditional 4-SRRR structure are studied, and a quadruped robot with 4-SPRR structure which is more suitable for load application is obtained. The kinematics of the proposed quadruped robot and the orientation adjustment in unstructured terrain are analyzed. Finally, the theoretical results were validated by simulation. The results show that the designed motion control algorithm can make the robot work normally and has a certain orientation adjustment ability. The study that has contributed to a novel quadruped robot.

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