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김선웅(Sunwoong Kim),홍오영근(Younggeun Oh),홍강성식(Sungsik Kang) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
This is a good example of participatory design which is one of widely used user-centered design method on vehicle seat design, especially for the seat comfort engineering. The volunteered 32 actual (or potential) customers (age: 20-60, similar distributions for height and weight compare to SizeKorea) were participate on consumer clinic for evaluating static seating comfort. The 2 hours of long-term driving evaluation was conducted with the 6 experts (5male, 1 female) in vehicle seat industry. The improvement effect were found from both objective and subjective results (P<0.05) in short-term evaluation. However, people can distinguish the differences through their sense (p<0.05) between two seats even though the two seats have almost same mechanical properties according to measure the load-deflection. There’s no significant decrease from initial stage on discomfort ratio after 2 hours driving with 2 improved seats but 1 current manufactured seat. It can be easily found the effect of improvements on both short- and long-term evaluation. However, there’re still remaining the issues how they are correlate between objective and subjective evaluation data.