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정영달(Youngdal Jung),여운석(Unseok Yeo),임영재(Youngjae Lim),류익희(Ikhui Ryu) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
Current emission inspection procedure for the diesel vehicle is Lug-down 3 mode. It is effective for high-emitting vehicles as vehicles are inspected under the high-load and high-speed condition, but it has weak points. It does not reflect the traveling pattern such as acceleration or speed reduction, and there is possibility to be manipulated before and after the inspection. In particular, in case of some older vehicles, it makes some damages during the inspection. As it also makes noise and dust, we conduct this research to improve the related problems and examine the new emission inspection.
정영달(Youngdal Jung),여운석(Unseok Yeo),임영재(Youngjae Lim),류익희(Ikhui Ryu),윤용안(Yongan Yun) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
The method of emission inspection for In-use diesel vehicles has been Engine speed type Lug-down 3mode. This method could bring damage to decrepit vehicles under high speed and High load condition and it could not apply the driving pattern on the road. For these reasons, this study has started to create new emission inspection which is appropriate for Koreas road infrastructure. KD 147 would be applied to Light-duty diesel vehicles from July 2010 after model operations. Therefore, this studies has investigated new emission inspection system for Heavy-duty diesel vehicles, except for Light-duty diesel vehicles.