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차량 자세제어 장치를 위한 ECU in the Loop System 개발
백승환(Seunghwan Baek),박용섭(Yongsub Park),조봉근(Bonggun Cho),전재환(Jaehwan Jeon),정인용(Inyong Jung),김흥섭(Heungsub Kim),송정훈(Jeonghoon Song),부광석(Kwangsuck Boo) 한국자동차공학회 2007 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
In this research, we have developed a system for ECU in the loop simulation to evaluate the performance of a vehicle dynamics controller which is a kind of active stability control units to control wheel slip and to improve steering stability of a vehicle on the road under rainy and snow conditions by controlling brake pressure and engine torque. To operate the VDC module, wheel speeds, a steering angle, master cylinder pressures, a yaw rate and a lateral acceleration of the vehicle and engine operation conditions are necessary as input information, then the brake pressures of each wheels could be calculated for keeping the vehicle stability in the module. The performance test of the developed system has been done according to JASO rules. We can get satisfied results of the developed ECU HILS through a series of experiments.
철도전기실의 초박형 액체단열재 적용을 통한 에너지 절감효과
김형철(Hyungchul Kim),장정훈(Junghoon Jang),신승권(Sungkwon Shin),박용섭(Yongsub Park),김상암(Sangam Kim),김형래(Hyeong Rae kim),현병수(Byungsoo Hyun),김진호(Jinho Kim) 대한전기학회 2015 전기학회논문지 Vol.64 No.1
In this paper, because of global environmental problems such as energy shortage and abnormal climate, green energy development and energy saving technology development is being magnified. Heat insulation, the most basic and traditional energy saving method, is highly expected. Especially, simple and advanced heat insulation technique based on Nano material is promising future technology. The railway system also requires heat insulation. Especially, traditional heat insulator such as glass wool has been adopted frequently to rolling stock. The heat insulator is also adopted in general railway service buildings. Take account of cost-effective heat blocking performance, the heat insulator shall be adopted in diverse fields such as electric power, railroad, signal and communication. The only and direct solution for this problem is installing heat insulator with outstanding endurance, corrosion resistance and heat resistance to block outer heat Upgrading heat specification of equipment can be a solution, but since price and maintenance cost rise severely, this plan might be incongruous. In this research, energy saving effect of ultrathin heat insulator film was demonstrated by installing the film on roof of electrical room.