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타이어 설계인자와 PRAT 및 코너링 강성과의 상관성 연구
성기득(Kideug Sung),김성래(Sungrae Kim),손일수(Ilsu Son),구병국(Byongkook Koo),김선주(Sonjoo Kim),조춘택(Choontack Cho) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_2
It is generally known that the PRAT(Plysteer Residual Aligning Torque) is one of indicating a performance factors of a tire for assessing the vehicle pull. It is also known that cornering stiffness has relation to the steering response in handling test. This paper has studied about the correlation between PRAT, cornering stiffness and tire design factors using FEM. Analysis variables(design factors) for this study are belt angle, EPI, cord diameter and carcass turn up height. We also have studied the correlation between PRAT and the different lateral groove types. This paper introduces the modeling method using ABAQUS CAE for PRAT analysis including 3-D patterned modeling.<br/> Finally, the correlation between the vehicle pull and PRAT has been investigated about the 3 types of the pattern using ADAMS S/W.