NDLI: Susceptibility to periodic vibrotactile guidance of human cadence

Content Provider	IEEE Xplore Digital Library
Author	Karuei, I. MacLean, K.E.
Copyright Year	2014
Description	Author affiliation: Dept. of Comput. Sci., Univ. of British Columbia, Vancouver, BC, Canada (Karuei, I.; MacLean, K.E.)
Abstract	In this paper we introduce a new guidance method that employs periodic vibrotactile cues to help users walk at a desired speed. We also explore walker's susceptibility to periodic vibrotactile guidance (PVG): specifically, adjustments of their stride frequency in response to cues that are clearly perceived; and finally, how long users can maintain their stride frequency after the guidance cue stops. While wearing a vibrotactile display on one wrist, each participant was given five vibrotactile tempos, logarithmically spaced across the participant's walking frequency range. We compared realtime stride frequency with cue tempo under conditions that varied cue tempo and presence / absence. Our results suggest that most individuals (here, 13 of 15) can synchronize their cadence with a vibrotactile cue with 95% accuracy (mean error, all participants: -1.5%, SD = 8.1) for a guidance tempo within their physical ability. Once a tempo was matched, walkers could maintain it for at least 30 seconds after the cue was turned off, showing promise for intermittent guidance as a solution to stimulus adaptation and annoyance. This finding informs design of spatiotemporal guidance systems, by showing how the informationally narrow but nevertheless underused haptic channel may have utility in guiding pedestrians' speed, without a need to learn abstracted signals, and through a continuous control system.
Sponsorship	IEEE Robot. Autom. Soc.
Starting Page	141
Ending Page	146
File Size	2641278
Page Count	6
File Format	PDF
ISBN	9781479931316
ISSN	23247355
DOI	10.1109/HAPTICS.2014.6775446
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-02-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Legged locomotion Frequency measurement Atmospheric measurements Particle measurements Synchronization Haptic interfaces Portable computers
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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