Unimanual and Bimanual Weight Perception of Virtual Objects with a new Multi-finger Haptic Interface

Giachritsis, Christos D. and Ferre Pérez, Manuel and Barrio Gragera, Jorge and Wing, Alan M. (2011). Unimanual and Bimanual Weight Perception of Virtual Objects with a new Multi-finger Haptic Interface. "Brain Research Bulletin", v. 85 (n. 5); pp. 271-276. ISSN 0361-9230. https://doi.org/10.1016/j.brainresbull.2011.03.017.

Description

Title: Unimanual and Bimanual Weight Perception of Virtual Objects with a new Multi-finger Haptic Interface
Author/s:
  • Giachritsis, Christos D.
  • Ferre Pérez, Manuel
  • Barrio Gragera, Jorge
  • Wing, Alan M.
Item Type: Article
Título de Revista/Publicación: Brain Research Bulletin
Date: June 2011
ISSN: 0361-9230
Volume: 85
Subjects:
Freetext Keywords: Haptics; Weight perception; Haptic interfaces; Psychophysics
Faculty: E.T.S.I. Industriales (UPM)
Department: Automática, Ingeniería Electrónica e Informática Industrial [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Accurate weight perception is important particularly in tasks where the user has to apply vertical forces to ensure safe landing of a fragile object or precise penetration of a surface with a probe. Moreover, depending on physical properties of objects such as weight and size we may switch between unimanual and bimanual manipulation during a task. Research has shown that bimanual manipulation of real objects results in a misperception of their weight: they tend to feel lighter than similarly heavy objects which are handled with one hand only [8]. Effective simulation of bimanual manipulation with desktop haptic interfaces should be able to replicate this effect of bimanual manipulation on weight perception. Here, we present the MasterFinger-2, a new multi-finger haptic interface allowing bimanual manipulation of virtual objects with precision grip and we conduct weight discrimination experiments to evaluate its capacity to simulate unimanual and bimanual weight. We found that the bimanual ‘lighter’ bias is also observed with the MasterFinger-2 but the sensitivity to changes of virtual weights deteriorated.

More information

Item ID: 11787
DC Identifier: http://oa.upm.es/11787/
OAI Identifier: oai:oa.upm.es:11787
DOI: 10.1016/j.brainresbull.2011.03.017
Official URL: http://www.sciencedirect.com/science/article/pii/S0361923011001055
Deposited by: Memoria Investigacion
Deposited on: 08 Nov 2012 10:00
Last Modified: 22 Feb 2017 17:40
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