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자동차 인스트루먼트 패널 표면특성에 따른 감성품질 연구
이영길(Youngkil Lee),박성국(Sung Kuk Park),전용(Yong Chun),이주환(Joo Hwan Lee),반상우(Sangwoo Bahn),윤명환(MyungHwan Yun) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_3
The present study developed cognitive quality models of automobile IP (Instrument Panel) surface materials. Five to seven material design variables such as a color, embossing. smoothness, and preference are defined for the IP based on literature survey, customer reviews, and expert opinions. Current trends are toward panels with a soft touch-feel that incorporates either a vacuum formed or cast skin. The technical part of this paper is focused on the cognitive quality model design guidelines and checklist related to fabricating and processing an IP that impacts cost and quality using the quantification I method and a cast skin concept. It goes on to provide an evaluation of future trends in IP design related to two color skins; the use of cloth skins, improved environmental specifications, structural requirements, and changing ergonomics.<br/> In this paper, a cognitive satisfaction survey is conducted for 41 IPs with 30 participants by using a modified magnitude estimation scale and the liker-scale. The suggested approach is expected to help designers and engineers identify important design variables to enhance the subjective satisfaction of IP design.
Instrument Panel Skin용 소재의 장기노화 특성연구
서강원(Kangwon Seo),채승철(Seungchul Chae),이영길(Youngkil Lee),박성국(Sungkuk Park) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Environments around a vehicle give many aging-factors. Aging-factors consist of solar light, thermal effect, humidity, chemical pollutant and physical external forces etc.. Fundamentally, Heat and Light play important roles in Polymer Degradation. Heat-aging and Light-aging make most powerful effecs on the polymers that compose the Instument Panel Skin Materials. It is possible to analyze the effects of either Heat or Light for the Skin Materials and those in Outdoor Exposure Test. But We meet the block to find the relationship between Outdoor Exposure Test and Heat/Light-Aging directly. Indirectly, Long-term testing for both Outdoor Exposure and Heat/Light threw a little light on the understanding. Outdoor Exposure Test was executed at Arizona during over 100,000 Langleys. And Heat/Light-aging tests have being taken in lab-scale. Both Light-aging over 2500kJ/㎠ in Ci-4000 and Heat-aging around 1000hr at 120℃ were able to degrade the skins more severely than Outdoor Exposure with 100,000 Langleys.