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Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude

Identifieur interne : 000714 ( PascalFrancis/Corpus ); précédent : 000713; suivant : 000715

Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude

Auteurs : Allan M. Smith ; Georges Basile ; Jonathan Theriault-Groom ; Pascal Fortier-Poisson ; Gianni Campion ; Vincent Hayward

Source :

RBID : Francis:10-0195518

Descripteurs français

English descriptors

Abstract

A specifically designed force-feedback device accurately simulated textures consisting of lateral forces opposing motion, simulating friction. The textures were either periodic trapezoidal forces, or sinusoidal forces spaced at various intervals from 1.5 mm to 8.5 mm. In each of two experiments, 10 subjects interacted with the virtual surfaces using the index finger placed on a mobile plate that produced the forces. The subjects selected their own speed and contact force for exploring the test surface. The apparatus returned force fields as a function of both the finger position and the force normal to the skin allowing full control over the tangential interaction force. In Experiment #1, subjects used an integer, numerical scale of their own choosing to rate the roughness of eight identical, varyingly spaced force ramps superimposed on a background resistance. The results indicated that subjective roughness was significantly, but negatively, correlated (mean r = -0.84) with the spatial period of the resistances for all subjects. In a second experiment, subjects evaluated the roughness of 80 different sinusoidal modulated force fields, which included 4 levels of resistance amplitude, 4 levels of baseline friction, and 5 spatial periods. Multiple regression was used to determine the relationship between friction, tangential force amplitude, and spatial period to roughness. Together, friction and tangential force amplitude produced a combined correlation of 0.70 with subjective roughness. The addition of spatial period only increased the multiple regression correlation to 0.71. The correlation between roughness estimates and the rate of change in tangential force was 0.72 in Experiment #1 and 0.57 in Experiment #2. The results suggest that the sensation of roughness is strongly influenced by friction and tangential force amplitude, whereas the spatial period of simulated texture alone makes a negligible contribution to the sensation of roughness.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A02 01      @0 EXBRAP
A03   1    @0 Exp. brain res.
A05       @2 202
A06       @2 1
A08 01  1  ENG  @1 Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude
A11 01  1    @1 SMITH (Allan M.)
A11 02  1    @1 BASILE (Georges)
A11 03  1    @1 THERIAULT-GROOM (Jonathan)
A11 04  1    @1 FORTIER-POISSON (Pascal)
A11 05  1    @1 CAMPION (Gianni)
A11 06  1    @1 HAYWARD (Vincent)
A14 01      @1 Groupe de Recherche sur le Système Nerveux Central, Département de Physiologie, Centre de Recherche en Sciences Neurologiques, Université de Montréal, C.P. 6128 Succursale Centre ville @2 Montreal, QC H3C 3T8 @3 CAN @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut.
A14 02      @1 Department of Electrical Engineering, Center for Intelligent Machines, McGill University @2 Montreal, QC @3 CAN @Z 5 aut. @Z 6 aut.
A20       @1 33-43
A21       @1 2010
A23 01      @0 ENG
A43 01      @1 INIST @2 12535 @5 354000181706630030
A44       @0 0000 @1 © 2010 INIST-CNRS. All rights reserved.
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A47 01  1    @0 10-0195518
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C01 01    ENG  @0 A specifically designed force-feedback device accurately simulated textures consisting of lateral forces opposing motion, simulating friction. The textures were either periodic trapezoidal forces, or sinusoidal forces spaced at various intervals from 1.5 mm to 8.5 mm. In each of two experiments, 10 subjects interacted with the virtual surfaces using the index finger placed on a mobile plate that produced the forces. The subjects selected their own speed and contact force for exploring the test surface. The apparatus returned force fields as a function of both the finger position and the force normal to the skin allowing full control over the tangential interaction force. In Experiment #1, subjects used an integer, numerical scale of their own choosing to rate the roughness of eight identical, varyingly spaced force ramps superimposed on a background resistance. The results indicated that subjective roughness was significantly, but negatively, correlated (mean r = -0.84) with the spatial period of the resistances for all subjects. In a second experiment, subjects evaluated the roughness of 80 different sinusoidal modulated force fields, which included 4 levels of resistance amplitude, 4 levels of baseline friction, and 5 spatial periods. Multiple regression was used to determine the relationship between friction, tangential force amplitude, and spatial period to roughness. Together, friction and tangential force amplitude produced a combined correlation of 0.70 with subjective roughness. The addition of spatial period only increased the multiple regression correlation to 0.71. The correlation between roughness estimates and the rate of change in tangential force was 0.72 in Experiment #1 and 0.57 in Experiment #2. The results suggest that the sensation of roughness is strongly influenced by friction and tangential force amplitude, whereas the spatial period of simulated texture alone makes a negligible contribution to the sensation of roughness.
C02 01  X    @0 770D04C @1 IV
C03 01  X  FRE  @0 Force @5 01
C03 01  X  ENG  @0 Force @5 01
C03 01  X  SPA  @0 Fuerza @5 01
C03 02  X  FRE  @0 Sensation @5 02
C03 02  X  ENG  @0 Sensation @5 02
C03 02  X  SPA  @0 Sensación @5 02
C03 03  X  FRE  @0 Modulation @5 03
C03 03  X  ENG  @0 Modulation @5 03
C03 03  X  SPA  @0 Modulación @5 03
C03 04  X  FRE  @0 Homme @5 54
C03 04  X  ENG  @0 Human @5 54
C03 04  X  SPA  @0 Hombre @5 54
C03 05  X  FRE  @0 Perception haptique @4 CD @5 96
C03 05  X  ENG  @0 Haptic perception @4 CD @5 96
N21       @1 130
N44 01      @1 OTO
N82       @1 OTO

Format Inist (serveur)

NO : FRANCIS 10-0195518 INIST
ET : Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude
AU : SMITH (Allan M.); BASILE (Georges); THERIAULT-GROOM (Jonathan); FORTIER-POISSON (Pascal); CAMPION (Gianni); HAYWARD (Vincent)
AF : Groupe de Recherche sur le Système Nerveux Central, Département de Physiologie, Centre de Recherche en Sciences Neurologiques, Université de Montréal, C.P. 6128 Succursale Centre ville/Montreal, QC H3C 3T8/Canada (1 aut., 2 aut., 3 aut., 4 aut.); Department of Electrical Engineering, Center for Intelligent Machines, McGill University/Montreal, QC/Canada (5 aut., 6 aut.)
DT : Publication en série; Niveau analytique
SO : Experimental brain research; ISSN 0014-4819; Coden EXBRAP; Allemagne; Da. 2010; Vol. 202; No. 1; Pp. 33-43; Bibl. 3/4 p.
LA : Anglais
EA : A specifically designed force-feedback device accurately simulated textures consisting of lateral forces opposing motion, simulating friction. The textures were either periodic trapezoidal forces, or sinusoidal forces spaced at various intervals from 1.5 mm to 8.5 mm. In each of two experiments, 10 subjects interacted with the virtual surfaces using the index finger placed on a mobile plate that produced the forces. The subjects selected their own speed and contact force for exploring the test surface. The apparatus returned force fields as a function of both the finger position and the force normal to the skin allowing full control over the tangential interaction force. In Experiment #1, subjects used an integer, numerical scale of their own choosing to rate the roughness of eight identical, varyingly spaced force ramps superimposed on a background resistance. The results indicated that subjective roughness was significantly, but negatively, correlated (mean r = -0.84) with the spatial period of the resistances for all subjects. In a second experiment, subjects evaluated the roughness of 80 different sinusoidal modulated force fields, which included 4 levels of resistance amplitude, 4 levels of baseline friction, and 5 spatial periods. Multiple regression was used to determine the relationship between friction, tangential force amplitude, and spatial period to roughness. Together, friction and tangential force amplitude produced a combined correlation of 0.70 with subjective roughness. The addition of spatial period only increased the multiple regression correlation to 0.71. The correlation between roughness estimates and the rate of change in tangential force was 0.72 in Experiment #1 and 0.57 in Experiment #2. The results suggest that the sensation of roughness is strongly influenced by friction and tangential force amplitude, whereas the spatial period of simulated texture alone makes a negligible contribution to the sensation of roughness.
CC : 770D04C
FD : Force; Sensation; Modulation; Homme; Perception haptique
ED : Force; Sensation; Modulation; Human; Haptic perception
SD : Fuerza; Sensación; Modulación; Hombre
LO : INIST-12535.354000181706630030
ID : 10-0195518

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Le document en format XML

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<NO>FRANCIS 10-0195518 INIST</NO>
<ET>Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude</ET>
<AU>SMITH (Allan M.); BASILE (Georges); THERIAULT-GROOM (Jonathan); FORTIER-POISSON (Pascal); CAMPION (Gianni); HAYWARD (Vincent)</AU>
<AF>Groupe de Recherche sur le Système Nerveux Central, Département de Physiologie, Centre de Recherche en Sciences Neurologiques, Université de Montréal, C.P. 6128 Succursale Centre ville/Montreal, QC H3C 3T8/Canada (1 aut., 2 aut., 3 aut., 4 aut.); Department of Electrical Engineering, Center for Intelligent Machines, McGill University/Montreal, QC/Canada (5 aut., 6 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Experimental brain research; ISSN 0014-4819; Coden EXBRAP; Allemagne; Da. 2010; Vol. 202; No. 1; Pp. 33-43; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>A specifically designed force-feedback device accurately simulated textures consisting of lateral forces opposing motion, simulating friction. The textures were either periodic trapezoidal forces, or sinusoidal forces spaced at various intervals from 1.5 mm to 8.5 mm. In each of two experiments, 10 subjects interacted with the virtual surfaces using the index finger placed on a mobile plate that produced the forces. The subjects selected their own speed and contact force for exploring the test surface. The apparatus returned force fields as a function of both the finger position and the force normal to the skin allowing full control over the tangential interaction force. In Experiment #1, subjects used an integer, numerical scale of their own choosing to rate the roughness of eight identical, varyingly spaced force ramps superimposed on a background resistance. The results indicated that subjective roughness was significantly, but negatively, correlated (mean r = -0.84) with the spatial period of the resistances for all subjects. In a second experiment, subjects evaluated the roughness of 80 different sinusoidal modulated force fields, which included 4 levels of resistance amplitude, 4 levels of baseline friction, and 5 spatial periods. Multiple regression was used to determine the relationship between friction, tangential force amplitude, and spatial period to roughness. Together, friction and tangential force amplitude produced a combined correlation of 0.70 with subjective roughness. The addition of spatial period only increased the multiple regression correlation to 0.71. The correlation between roughness estimates and the rate of change in tangential force was 0.72 in Experiment #1 and 0.57 in Experiment #2. The results suggest that the sensation of roughness is strongly influenced by friction and tangential force amplitude, whereas the spatial period of simulated texture alone makes a negligible contribution to the sensation of roughness.</EA>
<CC>770D04C</CC>
<FD>Force; Sensation; Modulation; Homme; Perception haptique</FD>
<ED>Force; Sensation; Modulation; Human; Haptic perception</ED>
<SD>Fuerza; Sensación; Modulación; Hombre</SD>
<LO>INIST-12535.354000181706630030</LO>
<ID>10-0195518</ID>
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