Material recognition using tactile sensing

Kerr, E., McGinnity, T.M. ORCID: 0000-0002-9897-4748 and Coleman, S., 2018. Material recognition using tactile sensing. Expert Systems with Applications, 94, pp. 94-111. ISSN 0957-4174

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Abstract

Identification of the material from which an object is made is of significant value for effective robotic grasping and manipulation. Characteristics of the material can be retrieved using different sensory modalities: vision based, tactile based or sound based. Compressibility, surface texture and thermal properties can each be retrieved from physical contact with an object using tactile sensors. This paper presents a method for collecting data using a biomimetic fingertip in contact with various materials and then using these data to classify the materials both individually and into groups of their type. Following acquisition of data, principal component analysis (PCA) is used to extract features. These features are used to train seven different classifiers and hybrid structures of these classifiers for comparison. For all materials, the artificial systems were evaluated against each other, compared with human performance and were all found to outperform human participants' average performance. These results highlighted the sensitive nature of the BioTAC sensors and pave the way for research that requires a sensitive and accurate approach such as vital signs monitoring using robotic systems.

Item Type: Journal article
Publication Title: Expert Systems with Applications
Creators: Kerr, E., McGinnity, T.M. and Coleman, S.
Publisher: Elsevier
Date: 15 March 2018
Volume: 94
ISSN: 0957-4174
Identifiers:
NumberType
10.1016/j.eswa.2017.10.045DOI
S0957417417307273Publisher Item Identifier
651647Other
Divisions: Schools > School of Science and Technology
Record created by: Linda Sullivan
Date Added: 30 Oct 2017 11:57
Last Modified: 21 Jan 2021 09:45
URI: https://irep.ntu.ac.uk/id/eprint/31914

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