Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Development of an Efficient Vehicle Dynamics Model Using Massless Link of a Suspension

현가장치 무질량 링크를 이용한 효율적인 차량동역학 모델 개발

  • Jung Hongkyu (Graduate School of Automotive Engineering, Kookmin University) ;
  • Kim Sangsup (Graduate School of Automotive Engineering, Kookmin University)
  • 정홍규 (국민대학교 자동차공학전문대학원) ;
  • 김상섭 (국민대학교 자동차공학전문대학원)
  • Published : 2005.01.01
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Abstract

This paper represents an efficient modeling method of a suspension system for the vehicle dynamic simulation. The suspension links are modeled as composite joints. The motion of wheel is defined as relative one degree of freedom motion with respect to car body. The unique relative kinematic constraint formulation between the car body and wheel enables to derive equations of motion in terms of wheel vertical motion. Thus, vehicle model has ten degrees of freedom. By using velocity transformation method, the equations of motion of the vehicle is systematically derived without kinematic constraints. Various vehicle simulation such as J-turn, slowly increasing steer, sinusoidal sweep steer and bump run has been performed to verify the validity of the suggested vehicle model.

Keywords

References

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