Development of the bipedal robot for jumping with artificial muscles and magnetorheological brakes

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  • 空気圧ゴム人工筋肉と磁気粘性流体ブレーキを用いた二脚跳躍ロボットの開発

Abstract

<p>To achieve dynamic motion, such as jumping and running, generating large instantaneous force and decreasing impact force at the time of the landing are needed. However, when increasing the instantaneous force of actuators such as motors and hydraulic actuators, the weight of robot also tend to increase. Therefore, in this study, we focused on the variable viscoelastic element with the human muscle. In this paper, we developed a bipedal jumping robot with variable viscoelastic joints. In this robot, we adopted straight-fiber-type artificial muscle as a variable elastic element and the magnetorheological fluid (MR) brake as a variable viscous-friction element. Moreover, we conducted the bending and stretching operation experiment by this robot. In this experiment, we used the experimental parameters which were determined based on human bending and stretching operation. As a result, it was confirmed that this robot realized the bending and stretching operation.</p>

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