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이일영(Ilyoung Lee),최태규(Taegue Choi),한효진(Hyojin Han),박정향(Junghyang Park),이동렬(Dongryul Lee) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Headlamp is the essential product in the vehicles. Nowadays, the consumers are asking increasingly demanding requirements in their needs. This paper is to present assembly tolerance reference for headlamp photometric performance that installs the led projection module through photometric analysis. The projection module was installed the one unit that assembled the four unit parts. The four parts are light-source, reflector, light-shield and projection lens. The tolerance in the assembly module is an inevitable trouble. It makes a quality problem of lamp product. And so, the projection module needs an establishment of the tolerance reference. This paper studied how to keep the tolerance of the each unit part to satisfy the photometric regulations.
禹正秀,朴貞香 嶺南大學校 基礎科學硏究所 1992 基礎科學硏究 Vol.12 No.-
In this paper, we shall consider the trends of the correlation coefficients between the Quasi-ranges under the Weibull, Pareto and standard normal models based on complete samples.