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Tactile to vibrotactile sensory feedback interface for prosthethic hand users

Mohamad Hanif, Noor Hazrin Hany and Chappell, Paul H. and White, Neil M. and Nik Hashim, Nik Nur Wahidah (2016) Tactile to vibrotactile sensory feedback interface for prosthethic hand users. In: IEEE-EMBS Conference on Biomedical Engineering and Sciences (IECBES 2016), 4-8 Dec 2016, Kuala Lumpur.

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Abstract

The motivation of this research work is to provide a sense of embodiment to prosthetic users by supplementing their devices with sensory feedback to the residual upper arm. This sensory feedback replicates the tactile sensory system of glabrous skin that covers palm and flexor surfaces of fingers. In this work, we produced vibration patterns that will be perceived at the upper arm, according to signals obtained by a prosthetic finger when sliding across fabricated textured surfaces. This was done by transforming the signals to ‘on’ and ‘off’ pulses in the LabView environment and then forwarded to a data acquisition board to provide voltage signals to a vibration actuator. We implemented a novel frequency measurement procedure to maintain a vibration frequency of 250 Hz, which is the optimum frequency of the mechanoreceptors underneath the skin of the upper arm in detecting vibration. The outcome from this research work leads to optimistic possibility that a touch sensation that was previously lost could be restored to different parts of the body. This undoubtedly will increase users’ acceptance of the device as a part of their body due to its ‘life-like’ quality.

Item Type: Conference or Workshop Item (Slide Presentation)
Additional Information: 7661/55419
Uncontrolled Keywords: prosthetic; embodiment; tactile; vibrotactile; sensory feedback
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: DR Noor Hazrin Hany Mohamad Hanif
Date Deposited: 14 Feb 2017 10:30
Last Modified: 07 Jun 2017 11:31
URI: http://irep.iium.edu.my/id/eprint/55419

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