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Human characteristics are supposed to be applied to the control systems of the human-friendly robots. Therefore, it is important to know the human characteristics in man-machine cooperative tasks. In this study, we considered a rotational one degree of freedom experimental system as well as a mass-spring-damper-friction dynamic model for the human arm, and analyzed the characteristics of the human...
This paper presents the design of a 1 DOF power assist system for lifting objects. The load force (vertical lifting force applied by human) consisting of inertial and gravitational forces was considered as the desired dynamics for the system. We hypothesized that human's perception of object weight due to inertial force might be different from the perceived weight due to gravitational force. We simulated...
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