Tülin GÜNDÜZ CENGİZ, İlke GÜNAY, Serkan SARI

Car Seat Comfort by Measuring Interface Pressure and Using Subjective Evaluation System in Road Trials

This study assesses automobile seat comfort by using a subjective evaluation system with road trials and by measuring seat pressure. The focus of this study is to demonstrate how drivers are affected by seat comfort under actual road conditions. All experiments were carried out with 55 participants driving for at least 2.5 h. Before the participants drove, the interface pressure was measured at 9 areas in the automobile.During the road trials, a comfort assessment was performed at 4 intervals: 0 min, 15 min, 75 min and 150 min. Participants were required to complete a questionnaire of 24 questions for each section. In total, 33 parameters were evaluated using related statistical techniques with SPSS. The participants felt discomfort after 75 minutes, and seat comfort was directly affected by thermal comfort parameters. However, overweight participants found the seat to be more comfortable than subjects with a normal BMI. Evaluating during road trials is difficult, but real traffic conditions affect comfort level. In future studies, real traffic situations should not be omitted when assessing comfort. This study will help to close the information gap in this area because comfort was evaluated on the road for at least 2.5 hours with subjective evaluation system

PDF

___

Alahmer, A., Mayyas, A., Mayyas, A.A., Omar, M.A., Shan, D. "Vehicular thermal comprehensive Thermal Engineering, 31, 995-1002, 2011. 2. Andreoni, models; a review". Applied G., Santambrogio, C., Rabuffettib, M., Pedotti, A. "Method for the Analysis of Posture and Interface Pressure of Car Drivers". Applied Ergonomics, 33, 511-522, 200).
Bartels, V.T. "Thermal comfort of aeroplane seats: influence of different seat materials and the use of laboratory test methods". Applied Ergonomics, 34, 393-399, 200).
Bubb, H. 200). "Quality of Work and Products in Enterprise of the Future". Product Ergonomics. Ergonomia Verlag OHG, Stuttgart, pp. 36, 200).
Cengiz, T.G., Babalik, F.C. "An on-the- road experiment into the thermal comfort Ergonomics, 38, 337-347, 200).
Cengiz, T.G., Babalik, F.C. "The effects of ramie blended car seat covers on thermal comfort during road trials". International Ergonomics, 39, 287-294, 200). Industrial
Ebe, K. and Griffin, M. J. "Factors Effecting Static Seat Cushion Comfort". Ergonomics, 44(10), 901-921, 2001.
Gyi, D.E., Porter, J.M. "Interface pressure and the prediction of car seat discomfort". Applied Ergonomics, 30 (2), 99-107, 1999.
Porter, J.M, Gyi, D.E., Tait, H.A. "Interface pressure data and the prediction of driver discomfort in road trials".Applied Ergonomics, 34, 207- 214, 2003. 10. Silva,
M.C.G. "Measurements of vehicles". comfort
Sci.Technol. 13, 41-60, 2002. Meas.
Thakurta, K., Koester, D., Bush, N., Bachle, S. "Evaluating short and long term seating comfort", SAE Technical Paper No. 950144, 1995.
Norin, F., Wyon, D.P. "Driver vigilance - temperature". SAE Technical Paper No. 920168. Engineers, Inc., Warrendale, PA, USA, 1992. of compartment Society of Automotive
Zhang,L., Helander, M.G.,Drury,C.G. "Indentifying factors of comfort and discomfort in sitting". Human Factors, 38 (3), 377-389, 1996.