Browse > Article
http://dx.doi.org/10.5369/JSST.2018.27.6.397

Body Pressure Distribution and Textile Surface Deformation Measurement for Quantification of Automotive Seat Design Attributes  

Kwon, Yeong-Eun (Korea Institute of Machinery & Materials)
Kim, Yun-Young (Korea Research Institute for Fashion Industry)
Lee, Yong-Goo (Korea Institute of Machinery & Materials)
Lee, Dongkyu (Korea Institute of Machinery & Materials)
Kwon, Ohwon (Korea Institute of Machinery & Materials)
Kang, Shin-Won (School of Electrical Engineering, Kyungpook National University)
Lee, Kang-Ho (Korea Institute of Machinery & Materials)
Publication Information
Journal of Sensor Science and Technology / v.27, no.6, 2018 , pp. 397-402 More about this Journal
Abstract
Proper seat design is critical to the safety, comfort, and ergonomics of automotive driver's seats. To ensure effective seat design, quantitative methods should be used to evaluate the characteristics of automotive seats. This paper presents a system that is capable of simultaneously monitoring body pressure distribution and surface deformation in a textile material. In this study, a textile-based capacitive sensor was used to detect the body pressure distribution in an automotive seat. In addition, a strain gauge sensor was used to detect the degree of curvature deformation due to high-pressure points. The textile-based capacitive sensor was fabricated from the conductive fabric and a polyurethane insulator with a high signal-to-noise ratio. The strain gauge sensor was attached on the guiding film to maximize the effect of its deformation due to bending. Ten pressure sensors were placed symmetrically in the hip area and six strain gauge sensors were distributed on both sides of the seat cushion. A readout circuit monitored the absolute and relative values from the sensors in realtime, and the results were displayed as a color map. Moreover, we verified the proposed system for quantifying the body pressure and fabric deformation by studying 18 participants who performed three predefined postures. The proposed system showed desirable results and is expected to improve seat safety and comfort when applied to the design of various seat types. Moreover, the proposed system will provide analytical criteria in the design and durability testing of automotive seats.
Keywords
textile-based pressure sensor; strain gauge sensor; capacitance sensor; quantification;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 D. W. Park, Y. T. Kim, M. S. Kim, S. J. Ahn, and W. S. Yoo, "Study on relationship Between Discomfort and Humanbody Pressure Distribution under Seating Postrue", Proc. of Autumn Conf. on Korean Soc. Automot. Eng., pp. 1723-1728, Daegu, Korea, 2006.
2 K. Yildirim, "Predicting seam opening behavior of woven seat fabrics", Text. Res. J., Vol. 80, No. 5, pp. 472-480, 2010.   DOI
3 V. Daukantiene and M. Lapinskiene, "Influence of the deformation mode on seam slippage in woven fabrics", Fibers. Polym., Vol. 13, No. 8, pp. 1086-1093, 2012.   DOI
4 D. E. Gyi and J. M. Poter, "Interface pressure and the prediction of car seat discomfort", Appl. Ergon., Vol. 30, No. 2, pp. 99-107, 1999.   DOI
5 G. Andreoni, G. C. Santambrogio, M. Rabuffetti, and A. Pedotti, "Method for the analysis of posture and interface preesure of car drivers", Appl. Ergon., Vol. 33, No. 6, pp. 511-522, 2002.   DOI
6 R. E. Thomas Jr., J. J. Congleton, R. D. Huchingson, J. R. Whiteley, and C. C. Rodrigues, "An investigation of relationships between driver comfort, performance and automobile seat type during short term driving tasks", Int. J. Ind. Ergon., Vol. 8, No. 1, pp. 103-114, 1991.   DOI
7 G. Kyung and M. A. Nussbaum, "Driver sitting comfort and discomfrt (part?): Relationships with and prediction from interface pressure", Int. J. Ind. Ergon., Vol. 38, No. 5-6, pp. 526-538, 2008.   DOI
8 J. Meyer, P. Lukowicz, and G. Troster, "Textile Pressure Sensor for Muscle Activity and Motion Detection", 10th IEEE Int. Symp. Wearable Comput., pp. 69-72, Montreux, Switzerland, 2006.
9 M. Sergio, N. Manaresl, M. Tartagni, R. Guerrieri, and R. Canegallo, "A Textile Based Capacitive Pressure Sensor", Proc. IEEE Sensors, Vol. 2, No. 12-14, pp. 1625-1630, Jun. 2002.
10 M. Stoppa and A. Chiolerio, "Wearable Electronics and Smart Textiles: A Critical Review", Sensors, Vol. 14, No. 7, pp. 11957-11992, 2014.   DOI