Investigation of the Impedance Characteristic of Human Arm for Development of Robots to Cooperate with Humans
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概要
- 論文の詳細を見る
In the near future many aspects of our lives will be encompassed by tasks performed in cooperation with robots. The application of robots in home automation, agricultural production and medical operations etc. will be indispensable. As a result robots need to be made human-friendly and to execute tasks in cooperation with humans. Control systems for such robots should be designed to work imitating human characteristics. In this study, we have tried to achieve these goals by means of controlling a simple one degree-of-freedom cooperative robot. Firstly, the impedance characteristic of the human arm in a cooperative task is investigated. Then, this characteristic is implemented to control a robot in order to perform cooperative task with humans. A human followed the motion of an object, which is moved through desired trajectories. The motion is actuated by the linear motor of the one degree-of-freedom robot system. Trajectories used in the experiments of this method were minimum jerk (the rate of change of acceleration) trajectory, which was found during human and human cooperative task and optimum for muscle movement. As the muscle is mechanically analogous to a spring-damper system, a simple second-order equation is used as models for the arm dynamics. In the model, we considered mass, stiffness and damping factor. Impedance parameter is calculated from the position and force data obtained from the experiments and based on the "Estimation of Parametric Model". Investigated impedance characteristic of human arm is then implemented to control a robot, which performed cooperative task with human. It is observed that the proposed control methodology has given human like movements to the robot for cooperating with human.
- 一般社団法人日本機械学会の論文
- 2002-06-15
著者
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Rahman Md.
Department Of Agriculture Bsmrau
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Mizutani Kazuki
Department Of Mechanical Engineering Faculty Of Engineering Mie University
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RAHMAN Md.Mozasser
Department of Mechanical Engineering, Faculty of Engineering, Mie University
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IKEURA Ryojun
Department of Mechanical Engineering, Faculty of Engineering, Mie University
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Ikeura Ryojun
Department Of Mechanical Engineering Faculty Of Engineering Mie University
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Rahman Md.mozasser
Department Of Mechanical Engineering Faculty Of Engineering Mie University
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Mizutani Kazuki
Department of Cardiology, Osaka City General Hospital
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