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굴절차량을 위한 전차륜 조향 시스템 전자제어 장치 개발
김기정(Kijeong Kim),정기현(Kihyun Chung),최경희(Kyunghee Choi),이수호(Sooho Lee),박태원(Taewon Park),문경호(Kyeongho Moon) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
Since the bi-modal tram is too long so that the traditional steering system controlled only the first axle increases its turning radius, it is not suitable to the domestic road environment. In addition, it become hard to make fine parking with the traditional steering system. To resolve the problem, the bi-modal tram requires an all wheel steering system (AWS) that the second axle is controlled by the first axle"s degree and the velocity of vehicle, and the third axle is steered by the articulation angle"s degree and the velocity of degree. This paper addresses the factors for the AWS ECU design, the strategies to solve the problems, the core technologies for the implementation, and also the outcomes and analysis of the performance evaluation of implemented system.
HILS를 이용한 전차륜 조향 시스템 장착 차량의 성능 평가
이수호(Sooho Lee),박태원(Taewon Park),김기정(Kijeong Kim),정기현(Kihyun Chung),최경희(Kyunghee Choi),문경호(Kyeongho Moon) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
In this paper, the HILS system is proposed for the AWS ECU of the bi-modal tram. Using the HILS of the AWS ECU, the behavior of the vehicle can be predicted and the reliability of the AWS system also can be verified. The hardware part of the HILS system includes the ECUs, hydraulic systems, steering linkages and sensors of the bi-modal tram. The software part of the HILS system contains the virtual vehicle model and sensor emulation. Driver input conditions, such as vehicle velocity and front steering angle, are provided to the ECUs by the software. The driving simulation of the bi-modal tram is carried out by the HILS. Also, the reliability of the AWS system, including the ECUs and hydraulic systems, is verified.