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황윤형(Yunhyoung Hwang),남찬혁(Chanhyuk Nam),양인범(Inbeom Yang),정기윤(Kiyun Jeong) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
This paper describes the development and validation of in-wheel vehicle simulation model based on the commercial vehicle dynamics platform S/W. The simulation model is consist of in-wheel based powertrain model, full vehicle model and controller model. It is aimed at the validation of control algorithm for the in-wheel vehicle and hardware specific system specifications at the early stage of development. This paper also represents some simulation result for the verification of developed simulation model.
불규칙한 교란을 받는 동적 시스템의 제어에 관한 실험적 연구
이종복(JongBok Lee),조윤현(YunHyun Cho),양인범(InBeom Yang),박성만(SungMan Park),허훈(Hoon Heo) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
Experimental study on the control of randomly disturbing system is conducted. External and internal disturbances are imposed to the system in combined manner. A vertical propeller system exposed horizontal weak turbulent air flow is chosen as an experimental model. The aim of the control system is to maintain the angular position of vertical propeller in parallel to air flow. Trajectory Tracking Stochastic Controller (TTSC) is designed to ensure system's stability while following system command. The Trajectory Tracking Stochastic Controller is composed of two controller, one is stochastic controller to suppress internal random noise and the other one is trajectory-tracking controller to follow the command having random noise. The proposed hybrid controller, TTSC, shows remarkable performance in pitch control of vertical propeller system in wind-tunnel test.
이혁기(Hyuck-kee Lee),황윤형(Yunhyoung Hwang),양인범(Inbeom Yang) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
Recently, many researches were performed to enhance fuel efficiency using GPS and ITS information. Green Drive means Driver Assistance System that use Map and Traffic information to drive a car in efficient and safe state. It consists of driver coaching system, energy management system and green routing. This paper deals with the evaluation environment of Green Drive System in simulated virtual driving environment. Main purpose of that is to quantitatively test green drive components in a point of view of fuel efficiency. We developed a DHIL(Driver Hardware-In-the-Loop) simulator that can be used in virtual driving and a HILS system to operate the DHIL simulator. Several scenarios of green driving are also described briefly.
HILS를 이용한 충돌예방시스템(ACC/PCS) 성능평가
황윤형(Yunhyoung Hwang),이혁기(Hyuckkee Lee),기상렬(Sangyoul Ki),양인범(Inbeom Yang) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
This paper describes the evaluation of collision avoidance system (ACC/PCS) using HILS (Hardware-in-the-Loop Simulation) system. The HILS system described in this paper emulates a full test vehicle with a vehicle cabin, vehicle model, PDA software and the target collision avoidance system, and further provides the integrated test environment with the additive virtual traffic and sensor for the evaluation of collision avoidance system. All the components of HILS system are connected each other in the CAN network. For the evaluation of collision avoidance system ECU, the test logic having same interface with the ECU is developed so that HILS system can be evaluated and tuned prior to the real ECU test. At the same time, the construction of HILS system with ECU is simplified because the test logic and ECU have same interface. Finally, the vehicle model contains some external module for the interface with ECU/test logic and driver inputs.