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전원계획 경제 모형의 차에 의한 투자형태의 변화에 관한 연구
金正勳,崔鍾倬 弘益大學校 1989 弘大論叢 Vol.21 No.2
This paper established a new model introduced the failure cost in the economical concept of WASP package and developed the new algorithm, and the computer simulation was carried out. The proposed model is faster than the other existing models in Generation Planning. This paper compared a new algorithm with MNI package. As a result, two investment patterns from the difference of the economical concept were very similar. For the sensitivity analysis of the Generation planning algorithm, several case-studies on investment pattern change due to initial capacity and failure cost coefficients were carried out. In conclusion the initial capacity have no influence on the investment pattern and failure cost coefficients have influence on the generation planning.
허성관,권용규,최종탁 大邱大學校 科學技術硏究所 2000 科學技術硏究 Vol.7 No.2
In the recent loader & unloader, left controller has problems such as functional error caused by vibration when speed up and discordance of speed between another machine in line. On this study, a newly designed loader & unloader has been selected motor viewed in torque, revolutions per minute (RPM). rating and output of power, programmable logic controller(P. L. C) viewed in economy, convenience and manageme -nt. By using optimum inverter, it can be avoided from occurrence of high frequence and motor damage in these equipments. By establishing distributed control system(D. C. S), it can control input, output and production units, can contribute factory automation system in PCB manufacture.
민경선,허성관,최종탁,권용규 대구대학교 과학기술연구소 2000 科學技術硏究 Vol.7 No.2
The noise in factory or constructing field is controled by the Ministry of Environment, But there in no regulation of administrative plan on combat plane's noise. For this reason, the citizens lived around airfield are suffered from noise harm. On the purpose of this study, we investigate actual conditions in airfield and draw up lay-out a scheme for preventing noise harm from airplane, which can conduce pleasant life that is assured by the constitutional law.
허성관,권오섭,최종탁,박동은 대구대학교 과학기술연구소 2001 科學技術硏究 Vol.8 No.2
In this paper, we study the effect analysis on the quality certification of ISO 9000 in a company. For this study, the correct understanding of management level, the effect of certification requisition, and the improvement effects of some problems happen to the company are studied, before and after introducing the quality management system of ISO 9000. To analyze the various effects of the quality management system of ISO 9000, some companies certificated by the ISO 9" are surveyed and analyzed. The aim of this study is to provide some information to a company that want to introduce the quality management system of ISO 9000.