Abstract
Bionic jumping robots have been widely used due to their high mobility and wide range of terrain adaptation. Jumping robots in the existing research suffer from complex mechanical mechanisms and unstable aerial postures, which cause the jumping robot to collide with the ground when landing. This paper proposes the design of a new jumping robot with a large jump stroke based on a simple geared five-bar mechanism. Based on characteristics of the applied mechanism, the proposed jumping robot can realize the adjustment of aerial posture independently. Firstly, a mechanical configuration of the new jumping robot is proposed, and its kinematics and dynamics are given. Then, dimensional parameters of the proposed jumping robot are optimized based on the genetic algorithm. Finally, an experimental prototype is designed to verify the actual performance of the proposed robot. Experimental results show that the proposed jumping robot has a large jumping stroke and stable jumping posture.
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