Design and development of a thermal imaging system based on a temperature sensor array for temperature measurements of enclosed surfaces and its use at the body-seat interface

Z. Liu; L. Chang; Z. Luo; V. Cascioli; A.I. Heusch; P.W. McCarthy

doi:10.1016/j.measurement.2017.03.022

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Design and development of a thermal imaging system based on a temperature sensor array for temperature measurements of enclosed surfaces and its use at the body-seat interface

Journal article

Open access

Peer reviewed

Design and development of a thermal imaging system based on a temperature sensor array for temperature measurements of enclosed surfaces and its use at the body-seat interface

Z. Liu, L. Chang, Z. Luo, V. Cascioli, A.I. Heusch and P.W. McCarthy

Measurement, Vol.104, pp.123-131

2017

DOI: https://doi.org/10.1016/j.measurement.2017.03.022

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Abstract

We describe a mapping system based on 64 evenly spaced digital sensors (thermal in this example) and interpolation algorithms. Current pressure mapping systems are suspect to noise, signal drift (creep), hysteresis and drop out of pixels, requiring frequent recalibration all of which impact on accuracy and experimental protocols. The system described here uses a one-wire-based protocol for easy configuration and reliable measurement without requiring frequent recalibration and can continuously measure temperature over a surface (seat or mattress) for hours. Additionally, in this example, the system can be used to overcome inherent drawbacks of traditional temperature (or humidity) assessment, being capable of mapping entire regions simultaneously. It greatly outperforms visual imaging (i.e. infrared) techniques at enclosed surfaces. The system, as shown here, could prove invaluable in future development of monitoring systems as it allows for more accurate parameter modelling at enclosed surfaces such as the body-seat interface. This will be useful when creating more realistic understanding of the changes occurring and how to moderate them effectively in order to reduce problems associated with prolonged wheelchair use.

Details

Title: Design and development of a thermal imaging system based on a temperature sensor array for temperature measurements of enclosed surfaces and its use at the body-seat interface
Authors/Creators: Z. Liu (Author/Creator) - Harbin University of Science and Technology
L. Chang (Author/Creator) - Harbin University of Science and Technology
Z. Luo (Author/Creator) - Harbin University of Science and Technology
V. Cascioli (Author/Creator) - Murdoch University
A.I. Heusch (Author/Creator) - University of South Wales
P.W. McCarthy (Author/Creator) - University of South Wales
Publication Details: Measurement, Vol.104, pp.123-131
Publisher: Elsevier
Identifiers: 991005544389407891
Copyright: © 2017
Murdoch Affiliation: School of Chiropractic and Sports Science
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 1 Clinical & Life Sciences; 1.266 Wounds & Ulcers; 1.266.1068 Pressure Ulcer
Web Of Science research areas: Engineering, Multidisciplinary; Instruments & Instrumentation
ESI research areas: Engineering