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SILS를 이용한 엔진 제어기 Driving Cycle 자동 주행 제어 기능 개발
강민균(Mingyun Kang),노영창(Youngchang Noh),임무창(Muchang Lim),임성빈(Sungbin Yim),이현규(Hyeonkyu Lee) 한국자동차공학회 2018 한국자동차공학회 학술대회 및 전시회 Vol.2018 No.11
This paper is the investigation on the effect of vehicle speed control to match driving trace automatically using application SW of ECU through simulation. For emission driving test, it needs numerous tests to get reliable result because of driver’s deviation even if driver is same person. In case of automatic control by application SW of ECU, it is easy and simple. Also it reduces time to get more effective result on complicated driving trace. To apply automatic control system, it designs PID system to control acceleration and deceleration by application SW and CAN communication. These methods are operated and confirmed by simulation of SILS. As a result of SILS, the virtual vehicle speed is matched entered WLTC driving cycle in ECU. And the vehicle speed deviation is satisfied with standard of permission.
HiLS용 Heavy-duty Diesel Engine 모델 개발
박경민(Kyungmin Park),노영창(Youngchang Noh),김득상(Duksang Kim) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
The steady state and transient performance of the heavy-duty diesel engine with the WGT(WasteGate Turbocharger) was simulated using HiLS(Hardware-in-the-Loop Simulation) system. The HiLS system consists of the dynamometer model and the engine model. They are composed of mean value model which is programmed by the Matlab/Simulink. A real time simulation is possible since the operating system based on the real time is included. Therefore this HiLS system can be used for development of EMS(Engine Management System) functions.
촉매코팅 DPF의 Soot loading에 따른 압력강하와 열전달에 관한 실험적 연구
유상훈(Sanghoon Yoo),노영창(Youngchang Noh),박영준(Young-Joon Park),김득상(Duk-Sang Kim),조용석(Yong-Suk Cho) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
When soot particles are loaded in a diesel particulate filter, the filter causes increase of back pressure in exhaust system. To minimize pressure drop due to DPF, the filter must be regenerated when it collects a certain quantity of soot. It is a crucial topic to estimate a correct amount of loaded soot measured by pressure drop. This study presents characteristics of pressure drop according to amount of soot loading in a DPF. Furthermore, characteristic of heat transfer in a DPF is another major parameter to avoid thermal crack during regeneration period. This study also determined heat transfer characteristics in a filter when a high temperature gas flows into DPF. Several tests were performed in DPF samples that have different amount of catalyst coating. Experimental results indicated that amount of catalyst coating has no strong influences on pressure drop. However, increased catalyst coating may lead to an improvement of heat transfer that is helpful to reduce thermal stress.