期刊
IEEE SENSORS JOURNAL
卷 19, 期 15, 页码 6421-6429出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2019.2910877
关键词
Sensing array; resistive sensing array; thermal sensing cushion; conductive textile; fabrication approach
资金
- Foundation of State Key Laboratory of Robotics [2017-O14]
- Fundamental Research Funds for the Central Universities
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [SJCX19_0033, SJLX17_0045]
Stretchable and flexible sensing arrays can facilitate human-computer interaction and biofeedback, such as robots, medical devices, and human-computer interface devices. To meet the demand on perceiving the temperature distributions on varied surface areas with low cost, in this paper, we designed a stretchable and flexible thermal sensing cushion (SFTSC) based on the two-dimensional thermistor array with multi-arch structure. The 8x8 negative temperature coefficient resistors each with two pins were used as the thermistors. For good stretchability, every conductive textile electrode (CTE) in the SFTSC was fabricated by folding a conductive textile strip with multi-arch structure in an insulated elastic textile substrate. For decreasing the number of the test wires, all thermistors in the SFTSC were arrayed in the shared row-column fashion by inserting two pins of every thermistor into its row CTE and its column CTE, respectively. The performances of the SFTSC were evaluated by temperature sensing experiments of a cup, human hand and sitting posture, and the experimental results showed that the SFTSC with good flexibility and good stretchability could perceive its surface temperature well even its surface area was stretched larger 2.25 times.
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