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VibroMap: Understanding the Spacing of Vibrotactile Actuators across the Body

Elsayed, Hesham ; Weigel, Martin ; Müller, Florian ; Schmitz, Martin ; Marky, Karola ; Günther, Sebastian ; Riemann, Jan ; Mühlhäuser, Max (2020):
VibroMap: Understanding the Spacing of Vibrotactile Actuators across the Body.
In: Proceedings of the ACM Interactive, Mobile, Wearable Ubiquitous Technologies, 4 (4), ACM, ISSN 2474-9567,
DOI: 10.1145/3432189,
[Article]

Abstract

In spite of the great potential of on-body vibrotactile displays for a variety of applications, research lacks an understanding of the spacing between vibrotactile actuators. Through two experiments, we systematically investigate vibrotactile perception on the wrist, forearm, upper arm, back, torso, thigh, and leg, each in transverse and longitudinal body orientation. In the first experiment, we address the maximum distance between vibration motors that still preserves the ability to generate phantom sensations. In the second experiment, we investigate the perceptual accuracy of localizing vibrations in order to establish the minimum distance between vibration motors. Based on the results, we derive VibroMap, a spatial map of the functional range of inter-motor distances across the body. VibroMap supports hardware and interaction designers with design guidelines for constructing body-worn vibrotactile displays.

Item Type: Article
Erschienen: 2020
Creators: Elsayed, Hesham ; Weigel, Martin ; Müller, Florian ; Schmitz, Martin ; Marky, Karola ; Günther, Sebastian ; Riemann, Jan ; Mühlhäuser, Max
Title: VibroMap: Understanding the Spacing of Vibrotactile Actuators across the Body
Language: English
Abstract:

In spite of the great potential of on-body vibrotactile displays for a variety of applications, research lacks an understanding of the spacing between vibrotactile actuators. Through two experiments, we systematically investigate vibrotactile perception on the wrist, forearm, upper arm, back, torso, thigh, and leg, each in transverse and longitudinal body orientation. In the first experiment, we address the maximum distance between vibration motors that still preserves the ability to generate phantom sensations. In the second experiment, we investigate the perceptual accuracy of localizing vibrations in order to establish the minimum distance between vibration motors. Based on the results, we derive VibroMap, a spatial map of the functional range of inter-motor distances across the body. VibroMap supports hardware and interaction designers with design guidelines for constructing body-worn vibrotactile displays.

Journal or Publication Title: Proceedings of the ACM Interactive, Mobile, Wearable Ubiquitous Technologies
Journal volume: 4
Number: 4
Place of Publication: New York, NY, USA
Publisher: ACM
Uncontrolled Keywords: vibrotactile interfaces, phantom sensation, wearable computing, haptic output, design implications, actuator spacing, ERM vibration motors
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Telecooperation
Event Location: New York, NY, USA
Date Deposited: 22 Mar 2021 08:58
DOI: 10.1145/3432189
Additional Information:

Art.No.: 125

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