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이상록(Lee S. R),이학주(Lee H. J),한승우(Han S. W),김정엽(Kim J. Y),차정환(Cha J. H),강재윤(Kang J. Y),박찬경(Park C. K) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
Stress analysis of the bogie frame by using the finite element method has been performed for the various loading conditions according to the results of vehicle dynamics analysis. Multiaxial fatigue analysis methods such as signed von Mises method, and typical critical plane theories were reviewed, and margin of safety for fatigue is defined. Multiaxial fatigue analysis program to predict the margin of safety of bogie frame under non-proportional loading conditions has been developed by using a commercial command language. Fatigue analysis of bogie frame under multiaxial loading was performed through this program and finite element analysis result. The procedure developed in this study is considered to be useful for the fatigue strength analysis in preliminary design stage of railway components under multiaxial loading condition.
텔리메트리(Telemetry)를 이용한 승용차용 드라이브축의 서비스토오크(Service Torque)측정 및 피로수명 예측
이상록(S.R.Lee),김완두(W.D.Kim),이학주(H.J.Lee),한승우(S.W.Han),김경식(K.S.Kim) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The real service torque has been measured by use of the wireless telemetry system for the 4-wheel drive passenger car under the various road and operating condition. Also the fatigue tests has been performed for the drive shaft. and corresponding fatigue life has been predicted.<br/> It has been observed that the measured service torque and the predicted fatigue life could be varied significantly according to the road and driving condition.<br/>
백승준,박환돈,김종민,이상록,장상목 東亞大學校附設 生産技術硏究所 2007 生産技術硏究所硏究論文集 Vol.12 No.-
This article is viewed and summarized about the nano- biochip, especially DNA -chip, technology and its application by analyzing the patent application trend and technical developing trend. We would like to suggest the direction of technical development of nano- biochip and its diverse application hereafter.
정대윤,박찬규,이상록 동아대학교 생산기술연구소 1999 生産技術硏究所硏究論文集 Vol.4 No.2
The procedure of prepared by lead chromate pigments is composed of precipitation reaction and aging. In this study, it was used particle surface treatment on feeding additives in aging time in order to maintain size and shape of particles. The input point of additives Al₂(SO_4)_3 was effective in size-increasing period. And the time for stable mean particle size was shorten by increasing feed rate of additives. The desired size of particles are manufactured by the control of input point, feeding amount, and feeding time of additives.