Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude
Identifieur interne : 000D65 ( PascalFrancis/Curation ); précédent : 000D64; suivant : 000D66Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude
Auteurs : Allan M. Smith [Canada] ; Georges Basile [Canada] ; Jonathan Theriault-Groom [Canada] ; Pascal Fortier-Poisson [Canada] ; Gianni Campion [Canada] ; Vincent Hayward [Canada]Source :
- Experimental brain research [ 0014-4819 ] ; 2010.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
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.
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Smith</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>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</s1><s2>Montreal, QC H3C 3T8</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Basile, Georges" sort="Basile, Georges" uniqKey="Basile G" first="Georges" last="Basile">Georges Basile</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>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</s1><s2>Montreal, QC H3C 3T8</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Theriault Groom, Jonathan" sort="Theriault Groom, Jonathan" uniqKey="Theriault Groom J" first="Jonathan" last="Theriault-Groom">Jonathan Theriault-Groom</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>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</s1><s2>Montreal, QC H3C 3T8</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Fortier Poisson, Pascal" sort="Fortier Poisson, Pascal" uniqKey="Fortier Poisson P" first="Pascal" last="Fortier-Poisson">Pascal Fortier-Poisson</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>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</s1><s2>Montreal, QC H3C 3T8</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Campion, Gianni" sort="Campion, Gianni" uniqKey="Campion G" first="Gianni" last="Campion">Gianni Campion</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Electrical Engineering, Center for Intelligent Machines, McGill University</s1><s2>Montreal, QC</s2><s3>CAN</s3><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author><author><name sortKey="Hayward, Vincent" sort="Hayward, Vincent" uniqKey="Hayward V" first="Vincent" last="Hayward">Vincent Hayward</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Electrical Engineering, Center for Intelligent Machines, McGill University</s1><s2>Montreal, QC</s2><s3>CAN</s3><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Canada</country></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">10-0195518</idno><date when="2010">2010</date><idno type="stanalyst">PASCAL 10-0195518 INIST</idno><idno type="RBID">Pascal:10-0195518</idno><idno type="wicri:Area/PascalFrancis/Corpus">000640</idno><idno type="stanalyst">FRANCIS 10-0195518 INIST</idno><idno type="wicri:Area/PascalFrancis/Corpus">000714</idno><idno type="wicri:Area/PascalFrancis/Curation">000D65</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude</title><author><name sortKey="Smith, Allan M" sort="Smith, Allan M" uniqKey="Smith A" first="Allan M." last="Smith">Allan M. 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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.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0014-4819</s0></fA01><fA02 i1="01"><s0>EXBRAP</s0></fA02><fA03 i2="1"><s0>Exp. brain res.</s0></fA03><fA05><s2>202</s2></fA05><fA06><s2>1</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Roughness of simulated surfaces examined with a haptic tool: effects of spatial period, friction, and resistance amplitude</s1></fA08><fA11 i1="01" i2="1"><s1>SMITH (Allan M.)</s1></fA11><fA11 i1="02" i2="1"><s1>BASILE (Georges)</s1></fA11><fA11 i1="03" i2="1"><s1>THERIAULT-GROOM (Jonathan)</s1></fA11><fA11 i1="04" i2="1"><s1>FORTIER-POISSON (Pascal)</s1></fA11><fA11 i1="05" i2="1"><s1>CAMPION (Gianni)</s1></fA11><fA11 i1="06" i2="1"><s1>HAYWARD (Vincent)</s1></fA11><fA14 i1="01"><s1>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</s1><s2>Montreal, QC H3C 3T8</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Electrical Engineering, Center for Intelligent Machines, McGill University</s1><s2>Montreal, QC</s2><s3>CAN</s3><sZ>5 aut.</sZ><sZ>6 aut.</sZ></fA14><fA20><s1>33-43</s1></fA20><fA21><s1>2010</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>12535</s2><s5>354000181706630030</s5></fA43><fA44><s0>0000</s0><s1>© 2010 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>3/4 p.</s0></fA45><fA47 i1="01" i2="1"><s0>10-0195518</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Experimental brain research</s0></fA64><fA66 i1="01"><s0>DEU</s0></fA66><fC01 i1="01" l="ENG"><s0>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. 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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. 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