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Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact

Eric Vezzoli, Zlatko Vidrih, Vincenzo Giamundo, Betty Lemaire-Semail, Frederic Giraud, Tomaz Rodic, Djordje Peric Orcid Logo, Michael Adams

IEEE Transactions on Haptics, Volume: 10, Issue: 2, Pages: 196 - 207

Swansea University Author: Djordje Peric Orcid Logo

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DOI (Published version): 10.1109/TOH.2017.2671432

Abstract

Ultrasonic vibration is employed to modify the friction of a finger pad in way that induces haptic sensations. A combination of intermittent contact and squeeze film levitation has been previously proposed as the most probable mechanism. In this paper, in order to understand the underlying principle...

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Published in: IEEE Transactions on Haptics
ISSN: 1939-1412
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa35098
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spelling 2021-01-11T09:01:46.0131481 v2 35098 2017-09-05 Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact 9d35cb799b2542ad39140943a9a9da65 0000-0002-1112-301X Djordje Peric Djordje Peric true false 2017-09-05 CIVL Ultrasonic vibration is employed to modify the friction of a finger pad in way that induces haptic sensations. A combination of intermittent contact and squeeze film levitation has been previously proposed as the most probable mechanism. In this paper, in order to understand the underlying principles that govern friction modulation by intermittent contact, numerical models based on finite element (FE) analysis and also a spring-Coulombic slider are developed. The physical input parameters for the FE model are optimized by measuring the contact phase shift between a finger pad and a vibrating plate. The spring-slider model assists in the interpretation of the FE model and leads to the identification of a dimensionless group that allows the calculated coefficient of friction to be approximately superimposed onto an exponential function of the dimensionless group. Thus, it is possible to rationalize the computed relative reduction in friction being (i) dependent on the vibrational amplitude, frequency, and the intrinsic coefficient of friction of the device, and the reciprocal of the exploration velocity, and (ii) independent of the applied normal force, and the shear and extensional elastic moduli of the finger skin provided that intermittent contact is sufficiently well developed. Experimental validation of the modelling using real and artificial fingertips will be reported in part 2 of this work, which supports the current modelling. Journal Article IEEE Transactions on Haptics 10 2 196 207 1939-1412 Tactile devices and display, tactile stimulator, squeeze film effect, ultrasonic devices, friction modulation, intermittent contact, Coulombic friction 31 12 2017 2017-12-31 10.1109/TOH.2017.2671432 https://research.birmingham.ac.uk/portal/en/publications/friction-reduction-through-ultrasonic-vibration-part-1(8c83f4ce-459f-4474-8db7-ed8cac3955c1).html COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2021-01-11T09:01:46.0131481 2017-09-05T09:07:39.5155761 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Eric Vezzoli 1 Zlatko Vidrih 2 Vincenzo Giamundo 3 Betty Lemaire-Semail 4 Frederic Giraud 5 Tomaz Rodic 6 Djordje Peric 0000-0002-1112-301X 7 Michael Adams 8
title Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact
spellingShingle Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact
Djordje Peric
title_short Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact
title_full Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact
title_fullStr Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact
title_full_unstemmed Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact
title_sort Friction Reduction through Ultrasonic Vibration Part 1: Modelling Intermittent Contact
author_id_str_mv 9d35cb799b2542ad39140943a9a9da65
author_id_fullname_str_mv 9d35cb799b2542ad39140943a9a9da65_***_Djordje Peric
author Djordje Peric
author2 Eric Vezzoli
Zlatko Vidrih
Vincenzo Giamundo
Betty Lemaire-Semail
Frederic Giraud
Tomaz Rodic
Djordje Peric
Michael Adams
format Journal article
container_title IEEE Transactions on Haptics
container_volume 10
container_issue 2
container_start_page 196
publishDate 2017
institution Swansea University
issn 1939-1412
doi_str_mv 10.1109/TOH.2017.2671432
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering
url https://research.birmingham.ac.uk/portal/en/publications/friction-reduction-through-ultrasonic-vibration-part-1(8c83f4ce-459f-4474-8db7-ed8cac3955c1).html
document_store_str 0
active_str 0
description Ultrasonic vibration is employed to modify the friction of a finger pad in way that induces haptic sensations. A combination of intermittent contact and squeeze film levitation has been previously proposed as the most probable mechanism. In this paper, in order to understand the underlying principles that govern friction modulation by intermittent contact, numerical models based on finite element (FE) analysis and also a spring-Coulombic slider are developed. The physical input parameters for the FE model are optimized by measuring the contact phase shift between a finger pad and a vibrating plate. The spring-slider model assists in the interpretation of the FE model and leads to the identification of a dimensionless group that allows the calculated coefficient of friction to be approximately superimposed onto an exponential function of the dimensionless group. Thus, it is possible to rationalize the computed relative reduction in friction being (i) dependent on the vibrational amplitude, frequency, and the intrinsic coefficient of friction of the device, and the reciprocal of the exploration velocity, and (ii) independent of the applied normal force, and the shear and extensional elastic moduli of the finger skin provided that intermittent contact is sufficiently well developed. Experimental validation of the modelling using real and artificial fingertips will be reported in part 2 of this work, which supports the current modelling.
published_date 2017-12-31T03:43:34Z
_version_ 1763752032627326976
score 11.035655

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