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실차 실험을 통한 3 차원 차량 모델 및 운전자 조향 모델의 검증
하정수(Jungsoo Ha),정태영(Taeyoung Chung),김정태(Jungtae Kim),이경수(Kyongsu Yi),이장무(Jangmoo Lee) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, validation of three dimensional vehicle dynamics simulation model has been conducted. The comparison between the simulation model and vehicle test results shows that the model is very feasible for describing actual vehicle dynamic behaviors. The 3D vehicle model is consisted of 6-DOF sprung mass and 4-quarter car model for vehicle body dynamics. Powertrain model including differential gear and Pacejka tire model is applied. The driver steering model is also validated with vehicle test result. The driver steering model is based on angle and displacement error from the desired path, recognized by driver.<br/>
정태영(Taeyoung Chung),하정수(Jungsoo Ha),김정태(Jungtae Kim),이경수(Kyongsu Yi),이장무(Jangmoo Lee) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper presents vehicle stability control system based on sliding control. The brake control inputs have been directly derived from the sliding control law based on a three degree of freedom plane vehicle model with differential braking. The sliding surface is weighted combination of vehicle side slip angle and the yaw rate error. The simulation has performed using a full nonlinear 3-dimensional vehicle model and the performance of the controller has been compared to that of a direct yaw moment controller.
정태영(Taeyoung Jeong),하정수(Jungsoo Ha),이경수(KyongsuYi),김정태(Jungtae Kim) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
This paper presents a stability margin and a specifications of vehicle stability controller by means of dynamic<br/> simulation model which validates dynamic behavior of vehicle. The model is consisted of 6-DOF sprung mass and<br/> 4-quarter car model for vehicle body dynamics. Powertrain model including differential gear and Pacejka tire model<br/> is applied. We validate a vehicle behavior under nominal cornering situations and critical driving conditions with<br/> general steering controller.
민석기(SukkiMin),문일기(Ilki Moon),하정수(Jungsoo Ha),이경수(Kyongsu Yi) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_3
The points that have been discussed in this paper are related to the tendency of driving behavior and parameters of<br/> a human driver model. In order to determine the driving scheme, the driver has to obtain a lot of information that are range, range-rate, velocity, surrounding vehicles, road condition and so on. Two parameters are considered in this study to represent driving pattern of various drivers and to classify hwnan driver model are time-gap and time-tocollision. We used a specially equipped vehicle that has a radar sensor, accelerometers, a brake pedal force transducer and a CAN unit. The hwnan driver model parameters have obtained using vehicle driving test data. Speeds and clearances of a vehicle driven by a human driver have been compared to those of a cruise controlled vehicle in a case of vehicle following.