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차량 시뮬레이터를 위한 제어 힘 로딩 시스템의 컨트롤러 및 구동 알고리즘
이승준(S.J.Lee),조준희(J.H.Cho),이운성(W.S.Lee),김정하(J.H.Kim) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.11_2
A control force loading system controller plays an important role in a driving simulator to sense driving inputs and generate feedback cues. This paper describes the improved control force loading system controller creating high fidelity feedback cues while satisfying real-time conditions. The driver software has been developed using an assembler based on a 8bit microcontroller to manage information and data transfer.<br/>
차량 시뮬레이터와 ABS Hardware-in the Loop Simulation 시스템 통합을 위한 실시간 차량 시뮬레이션 시스템의 개발
김영삼(Y.S.Kim),이승준(S.J.Lee),이운성(W.S.Lee),김정하(J.H.Kim) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.11_2
In this study, a real-time vehicle simulation system for a driving simulator has been developed including a vehicle dynamic analysis module and vehicle subsystems, and interfaced with simulator subsystems. A monitoring console software consisting of pre- and post-processing, a RS-232C protocol transformation, and network modules using the UDP has also been developed for smooth operation of the real-time vehicle simulation system. The real-time vehicle simulation system has also been implemented for ABS hardware-in-the-loop simulation on the driving simulator.<br/>
이운성(W.S.Lee),김정하(J.H.Kim),조준희(J.H.Cho) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_2
Driving simulators are used effectively for human factor study, vehicle system development and other purposes by enabling to reproduce actual driving conditions in a safe and tightly controlled environment. This paper describes a driving simulator developed for design and evaluation of a full-scale driving simulator and for driver-vehicle interaction study. The simulator consists of a real-time vehicle simulation system, a visual and audio system, a motion system, a control force loading system, and an experiment console. The real-time vehicle simulation system supervises overall operation of the simulator and also simulates dynamic motion of a multibody vehicle model in real-time. The economical visual system generates high fidelity visual scenes that are displayed on a screen by a projector. The motion system generates realistic motion cues using a six degree of freedom Stewart platform driven hydraulically. The control force loading system acts as an interface between a driver and the simulator. The experiment console monitors the status of the simulator in operation and also collects and manages experimental data.<br/>
차량 시스템 개발 및 운전자 인자 연구를 위한 실시간 차량 시뮬레이터 개발
이승준(S.J.Lee),김영삼(Y.S.Kim),조권주(K.J.Cho),김일한(I.H.Kim),최동찬(D.C.Choi),조준희(J.H.Cho),이운성(W.S.Lee),김정하(J.H.kim) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.11_2
A fixed-base driving simulator has been developed in this study for human factor study and vehicle system development. The simulator consists of improved and synergistic subsystems including a real-time vehicle simulation system, a visual/audio system and a control force loading system. This paper describes the system components and its applications such as hardware-in-the-loop simulation for ABS(Antilock Brake Systems) and DIS(Distributed Interactive Simulation).<br/>
이운성(W.S.Lee),이지선(J.S.Lee),김상섭(S.S.Kim) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.11_1
A general real-time vehicle simulation approach that can be applied effectively to development and validation of vehicle active control systems in hardware-in-the-loop simulation is proposed. The multibody vehicle dynamics method based on relative generalized coordinates is employed to develop vehicle models that represent physical vehicle systems faithfully. Based on a parallel processing approach utilizing parallelism by independent kinematic chains and parallel integration. a symbolic processing approch is developed to generate parallel processing codes on . a shared-memory multiprocessor automatically.<br/>
김상겸(S.K.Kim),양승규(S.K.Yang),김정하(J.H.Kim),이운성(W.S.Lee) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.11_2
The car industry has been developed with the advance of the modem technology. These developments has been aimed at the safety vehicle, the productivity and the quality which meets the demands of the customer. Recently the research for the car navigation system has been applied and studied by means of solving the traffic saturated over the world. By now, GPS(Global Positioning System) method generally known applied to the navigation system. But only this method would not applied properly to the country with the mountains, tunnels, sky crafts and the error of the SA(Selective Availability) offered by the artificial satellites. In this paper, we introduce the results of the vehicle tests applying the DGPS(Differential Global Positioning System) which can reduce the errors caused by the geometric characteristics and SA.<br/>
이승준(S.J.Lee),조준희(J.H.Cho),이운성(W.S.Lee),김정하(J.H.Kim) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_2
The control force loading system acts as an interface between a driver and a driving simulator. This paper describes the economical control force loading system creating high fidelity feedback cues for a driving simulator. The system consists of a controller, DC geared motors, and rotary encoders, to sense driving inputs and provide proprioceptive cues with a driver in terms of reaction forces and torques. The driver software has been developed using an assembler based on a 8 bit microcon troller to manage information and data transfer.<br/>