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Texture sensor for a prosthetic hand

Texture sensor for a prosthetic hand
Texture sensor for a prosthetic hand
This research has shown for the first time that the physical dimensions of small surface patterns in an object surface are detectable from sensors integrated into the fingertip and mechanical links of a prosthetic hand. A further novel aspect of this work is the use of the standard deviation of data used in the analysis. Charge amplifiers are used to extract the signal from the piezoelectric sensors when an object that has two grating surfaces moves past a fingertip. Similar signals have been observed from all the sensors. An analysis of the data has shown that the repeating pattern from the gratings is detectable from a calculation of the mean standard deviation. An estimate of the grating widths can also be made from this analysis. Approximately 32 and 58 grooves are in contact with fingertip (width 15mm) representing a resolution of 2 grooves and 4 grooves mm-1 respectively.
1-4
Muridan, N
5a68e73f-593c-4aa2-b7c4-e92cda3de69e
Chappell, P H
2d2ec52b-e5d0-4c36-ac20-0a86589a880e
Cranny, A
2ebc2ccb-7d3e-4a6a-91ac-9f089741939e
White, N M
c7be4c26-e419-4e5c-9420-09fc02e2ac9c
Muridan, N
5a68e73f-593c-4aa2-b7c4-e92cda3de69e
Chappell, P H
2d2ec52b-e5d0-4c36-ac20-0a86589a880e
Cranny, A
2ebc2ccb-7d3e-4a6a-91ac-9f089741939e
White, N M
c7be4c26-e419-4e5c-9420-09fc02e2ac9c

Muridan, N, Chappell, P H, Cranny, A and White, N M (2010) Texture sensor for a prosthetic hand. Eurosensors XXIV, Austria. 05 - 08 Sep 2010. pp. 1-4 .

Record type: Conference or Workshop Item (Paper)

Abstract

This research has shown for the first time that the physical dimensions of small surface patterns in an object surface are detectable from sensors integrated into the fingertip and mechanical links of a prosthetic hand. A further novel aspect of this work is the use of the standard deviation of data used in the analysis. Charge amplifiers are used to extract the signal from the piezoelectric sensors when an object that has two grating surfaces moves past a fingertip. Similar signals have been observed from all the sensors. An analysis of the data has shown that the repeating pattern from the gratings is detectable from a calculation of the mean standard deviation. An estimate of the grating widths can also be made from this analysis. Approximately 32 and 58 grooves are in contact with fingertip (width 15mm) representing a resolution of 2 grooves and 4 grooves mm-1 respectively.

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More information

Published date: 7 September 2010
Additional Information: Event Dates: Sept 5-8
Venue - Dates: Eurosensors XXIV, Austria, 2010-09-05 - 2010-09-08
Organisations: EEE

Identifiers

Local EPrints ID: 271572
URI: http://eprints.soton.ac.uk/id/eprint/271572
PURE UUID: ba3de2a7-e5f7-4596-b948-cf06d502b194
ORCID for N M White: ORCID iD orcid.org/0000-0003-1532-6452

Catalogue record

Date deposited: 20 Sep 2010 09:07
Last modified: 10 Dec 2019 01:57

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