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이진환(Jinhwan Lee),한종철(JongChull Han),김재구(Jaegoo Kim),최치권(Chigwon Che),문형태(Hyungtae Moon),윤팔주(Paljoo Yoon) 한국자동차공학회 2003 한국자동차공학회 Symposium Vol.2003 No.8
Recently, the vehicle manufacturers are undergoing a revolution in the design of car electrical system. There are rapidly increasing demand of electric power for vehicle performance, price, system efficiency and force. These challenges result in the development of 42V power system instead of the existing 14V system. Accordingly many high-current electric chassis system, such as EMB(Electro-Mechanical Brake), EPS(Electric Power Steering) and SBW(Steer By Wire) should switch their power bus to 42V. This paper describes the overall concept of motor drive system for 42V R-EPS and outlines the components and control strategies. Finally, the results are confirmed from system performance experiments and them131 and EMI characteristics.<br/> <br/>
구태윤(TaeYun Koo),한종철(JongChul Han),장민규(MinGyu Jang),문진동(JinDong Moon),우덕현(DurkHyeun Wuh) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
In these days, vehicle manufacturers and system suppliers are well advanced in their driver assistance system products. Especially, in the development process, the reliability test is essential for the guarantee of driver’s safety and convenience. Many ADAS suppliers should do their best to handle a lot of test cases in their test development process. However, it is difficult to make the same test condition and environment in the real driving test. The driving simulator can be used for the alternative and cost-effective test method. In this study, a driving simulator with a 6-DOF motion platform is developed and we propose the verification process of LDWS(Lane Departure Warning System) using a driving simulator. It is expected that the new test method can be used for other ADAS system test such as LCA(Lane Change Assist System), CAS(Collision Avoidance System), and EDS(Emergency Driving Support).
차량 주행 시뮬레이터 기반의 Sensor Fusion Algorithm 검증 환경 구축 및 평가
장민규(MinGyu Jang),구태윤(TaeYun Koo),한종철(JongChul Han),이한주(HanJu Lee),문진동(JinDong Moon) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
ADAS(Advanced Driver Assist System) are systems to help the driver and each system has specific software made by developer. Unfortunately, a developer can make an error or mistake, which causes a failure in system. So software testing is very important process and needed for drivers safety. In this study, we focus on sensor fusion system(LKAS and SCC) and propose the software test environment of sensor fusion algorithm using a driving simulator. The HILS(Hardware-in-the-Loop Simulation) test environment has been established and evaluated its performance.
자동차용 ECU에 대한 Filter Simulation Test System 개발
문진동(Jindong Moon),김태훈(Taehoon Kim),한종철(Jongchull Han) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this research, We estimates & quantifies the optimum (minimized error in real) attenuation of filter for conducted and radiated noise from ECU in Vehicle by using simulation technique that takes an active load impedance variation (not passive load impedance variation without power input) as a basic variable. And while filter simulation modeling, it was used that numeric processing method with complex matrix. The result of simulation with the analogical filter variables, can forecast the attenuation of EMI noise (measured after inserting filters in a real board). After all, it is possible that the selection of the optimum filters for EMI reduction.
차량 주행 시뮬레이터 기반 전방 충돌 회피 지원 시스템 평가 기술 개발
이환희(Hwanhee Lee),장민규(Mingyu Jang),한종철(Jongchul Han),구태윤(Taeyun Koo),문진동(Jindong Moon) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
EDS(Emergency Driving Support) system is important factor for active safety system of intelligent vehicle. For this reason, vehicle manufactures and system are actively developing EDS system. In this paper, a driving simulator with a 6-DOF motion platform is developed and we propose the verification process of EDS system using a driving simulator. And focus on testing method of EDS system. To evaluate performance of EDS system, we propose EDS system TDP(Test Development Procedure) using specification-based test approach and static test respectively.