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IEEE TRANSACTIONS ON HAPTICS, MANUSCRIPT ID 1 A Regression and Boundary-Crossing Based Model for the Perception of Delayed Stiffness

By Ilana Nisky, O A. Mussa-ivaldi, Amir Karniel and Senior Member


Abstract——The stiffness of the environment with which we come in contact is the local derivative of a force field. The boundary of an elastic field is a singular region where local stiffness is ill-defined. We found that subjects interacting with delayed force fields tend to underestimate stiffness if they do not move across the boundary. In contrast, they tend to overestimate stiffness when they move across the elastic field boundary. We propose a unifying computational model of stiffness perception based on an active process that combines the concurrent operations of a force and of a position-control system

Topics: Index Terms — Human factors, Human information processing, Telemanipulation, Control theory, Neuroscience, Perception and
Year: 2013
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