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We constructed a 1 DOF power assist robot for lifting objects of different sizes. We hypothesized that human's perception of weight due to inertia might be different from the perceived weight due to gravity when lifting an object with the power assist robot. In this article, we particularly looked at human's load force features, weight perception and object's motions in lifting objects with the power...
We developed a 1 DOF power assist robot for lifting objects. We hypothesized that human's perception of weight due to inertial force might be different from the perceived weight due to gravitational force for lifting an object with a power assist robot. We established psychophysical relationships between the actual weights and the power-assisted weights for the objects lifted with the robot, and also...
We hypothesized that weight perception (WP) due to inertia might be different from WP due to gravity for lifting an object with a power assist robot (PAR). Objects were lifted with a PAR independently under three different lifting schemes-unimanual, bimanual, and cooperative lift. Then, psychophysical relationships between actual and powerassisted weights (PAWs) as well as excess in load forces (LFs)...
We designed a 1 DOF power assist robot for lifting objects based on human's weight perception. We hypothesized that human's perception of object weight due to inertial force might be different from the perceived weight due to gravitational force for lifting an object with a power assist robot. In this paper, we particularly studied human's load force characteristics in lifting objects with a power...
In this paper, we designed and controlled a 1 DOF power assist robot for lifting objects based on human operator's unimanual and bimanual weight discrimination. At first, we established psychophysical relationships between the actual weights and the power assisted weights for the objects lifted with the power assist robot. We also determined the excess of the load forces that humans applied while...
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