http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
궤도형 상륙돌격차량용 추진장치의 통합고장진단 S/W 설계
이창규,최병호,박대곤,구영호,심상출,장교근,Lee, Changkyu,Choi, Byeongho,Park, Daegon,Koo, Youngho,Shim, Sangchul,Chang, Kyogun 한국군사과학기술학회 2021 한국군사과학기술학회지 Vol.24 No.4
This paper describes the design of model-based fault diagnosis software to apply to the propulsion system in tracked amphibious assault vehicle which consists of an engine, a transmission, a cooling system, and two waterjets. This software includes specific functions to detect the failures regarding sensor malfunctions, mechanical malfunctions, control errors, and communication errors. This software generates the proper malfunction codes which are classified as the warning and caution. In order to validate the fault diagnosis software, the manual and automatic test are performed using the test program with 32 test cases. Test results show that the designed fault diagnosis software is reliable and effective for applying to the propulsion system.
공기과잉율의 변화가 에탄올 혼합연료 기관의 배기 특성에 미치는 영향
윤건식,박대곤 창원대학교 산업기술연구소 2001 産技硏論文集 Vol.15 No.-
Ethanol is an attractive alternative fuel for automotive engine to overcome the limit of petroleum resources and pollution problems. Ethanol contains oxygen in itself and has ability to improve thermal efficiency owing to higher octane number than gasoline. Also it can be used as clean fuel for low emissions. The effect of gasoline-ethanol blends on the performance characteristics including exhaust emission of the MPI gasoline engine were examined. The experiments were carried out over the various air-fuel ratio. The blending rates of ethanol were selected as 10 to 30 percent according to the analysis of the properties of blended fuels. The emission characteristics of ethanol-blended fuels showed the similar trend with those of gasoline fuel, in general. Any observable quantitative differences in concentration of nitric oxides and carbon monoxide were not seen when the blended fuels were used, while the concentration of hydrocarbon is slightly reduced by the use of ethanol blended fuels compared with gasoline fuels.