Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19718
Title: Fabrication and evaluation of a notched polymer optical fiber fabric strain sensor and its application in human respiration monitoring
Authors: Zheng, W
Tao, X 
Zhu, B
Wang, G
Hui, C
Keywords: Fabric sensor
Human respiration
Large strain
Polymer optical fiber
Issue Date: 2014
Publisher: SAGE Publications
Source: Textile research journal, 2014, v. 84, no. 17, p. 1791-1802 How to cite?
Journal: Textile research journal 
Abstract: This paper describes an intensity-based notched polymer optical fiber (POF) fabric strain sensor and its application in human respiration monitoring. A mechanical analysis illustrates geometrical profiles of constrained fiber loops on the fabric substrate. V-shaped notches are made by laser ablation on the sides of the POFs. The effects of loop parameters and processing conditions on the sensing performance are investigated. The experimental results show that the fabric sensor is more sensitive to strain with notches on the outer side of the loops, a small radius of the loops and a low scanning speed of laser. This fabric sensor exhibits a large measurable strain range of up to 21%. The achieved strain sensitivity is 3.77. The temperature and relative humidity have little effect on strain sensitivity between 0¢J and 60¢J. A belt has been fabricated by integrating the fabric sensor for monitoring human respiration. The evaluation trials show a strong correlation between the belt system and a clinic monitor.
URI: http://hdl.handle.net/10397/19718
ISSN: 0040-5175
EISSN: 1746-7748
DOI: 10.1177/0040517514528560
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