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최규재,노기한,유영면,Choe, Gyu-Jae,No, Gi-Han,Yu, Yeong-Myeon 대한기계학회 2001 大韓機械學會論文集A Vol.25 No.3
This paper presents a real-time multibody vehicle dynamic analysis method using recursive Kanes formulation and suspension composite joints. To shorten the computation time of simulation, relative coordinate system is used and the equations of motion are derived using recursive Kanes formulation. Typical suspension systems of vehicles such as MacPherson strut suspension system is modeled by suspension composite joints. The joints are derived and utilized to reduce the computation time of simulation without any degradation of kinematical accuracy of the suspension systems. Using the develop program, a multibody vehicle dynamic model is formed and simulations are performed. Accuracy of the simulation results is compared to the real vehicle field test results. It is found that the simulation results using the proposed method are very accurate and real-time simulation is achieved on a computer with single PowerPC 604 processor.
토션빔 현가장치의 성능 평가를 위한 동특성 해석 및 시험
최규재,박정원,전광기,최성진,고정민,이동재(Gyoojae Choi),Jungwon Park,Kwangki Jeon,Sungjin Choi,Jungmin Ko,Dongjae Lee 한국자동차공학회 2004 한국자동차공학회 Symposium Vol.- No.-
The torsion beam axle is widely used in the rear suspension for small passenger cars due to low cost, good performance, etc. To develop the torsion beam axle, it is necessary to estimate the characteristics of rear suspension in the initial stage of the design process. The dynamic characteristics estimation of the torsion beam axle is performed using FEM, dynamic simulation and is verified through the real test. In this study, the natural frequency and roll stiffness of the torsion beam axle were predicted by FEM, and the FE model was validated by the comparison with test data. This study presents a result of dynamic and durability analysis for performance estimation of the torsion beam axle.<br/>
고성능 Driving Simulator의 기술적 조사 연구
최규재,최성진,노기한,유영면 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_2
Technical characteristics of the high fidelity driving simulators in the world which have six degrees of freedom or more are reviewed and discussed. The systems are the Daimler-Benz. DRI, JARI, and Iowa driving simulators.The system architectures, visual image generators, visual projection systems, cabs. vehicle dynamics models and computations, and moton systems of the simulators are compared and discussed.<br/>