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협각인젝터를 이용한 HCCI 엔진의 분무 및 연소특성에 관한 연구
김형민(Hyungmin Kim),임성빈(Sungbin Yim),류재덕(Jaeduk Ryu),이기형(Kihyung Lee) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_1
Recently, there has been an interest in premixed diesel engines as it has the potential of achieving a more homogeneous and leaner mixture close to TDC compared to conventional diesel engines. Early studies are shown that in a HCCI(Homogeneous Charge Compression Ignition) engine, the fuel injection time and spray angle affects the mixture formation and combustion. Thus the purpose of this study was to investigate relationship of combustion and mixture formations according to injection timing and fuel supply system using a narrow angle injector called the NADI(Narrow Angle Direct Injection). From this study, we found that the fuel injection timing and injection angle affect the mixture formations and in turn affects combustion in the PCCI engine.
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.