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In this paper we present a method for generating accurate haptic force models to describe the feel of physical devices. The models are generated by fitting polynomial hypersurfaces to experimentally measured motion and force data obtained by actuating physical devices. The methods are demonstrated by modeling the complex force-deflection profile of a nonlinear mass-spring-damper system. Initial results...
In this paper, maneuverability measure of master control devices considering the musculo-skeletal model of operators is proposed. The original maneuverability measure of master arms considering the operator dynamics is extended by introducing a muscle tension space instead of the joint torque space of an operator so that the maneuverability is evaluated under a constant muscle stress condition which...
Physical human-robot interaction can be significantly improved when being aware about the role each partner takes in a joint manipulation task. This holds especially in computer assisted teleoperation, where depending on the identified role of the human, different roles can be assigned to the assistance function. This work proposes a method for the determination of two non exclusive roles, an executor...
During real physical interactions, contact between a hand-held tool and an object causes high-frequency tool accelerations that are detected by mechanoreceptors in the human hand. These haptic signals provide salient cues about changes in tool-surface contact state and enable effortless identification of material and surface properties. Unfortunately, these rich contact sensations are often absent...
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