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실시간 차량 동역학 해석을 위한 안티 롤 바 힘 계산 알고리듬

Anti Roll Bar Force Computation Algorithm for Real Time Multibody Vehicle Dynamics

  • 김성수 (충남대학교 BK 21 메카트로닉스 그룹) ;
  • 정완희 (충남대학교 대학원 BK 21 메카트로닉스 그룹) ;
  • 하경남 (충남대학교 대학원 BK 21 메카트로닉스 그룹)
  • 발행 : 2008.02.05

초록

Anti roll bar model for real time multibody vehicle dynamics model has been proposed using kinematic constraint. Anti roll bar have been modeled by kinematic relationship, and mass properties are neglected. Relative angle of torsion bar spring is computed by constraint about drop-link using Newton-Raphson iteration, and then the torque of torsion bar spring can be computed with the angle and torsion spring stiffness. Finally anti roll bar force acting on both knuckle can be calculated. To validate the proposed method, half car simulations of McPherson strut suspension and full car simulations are also carried out comparing with the ADAMS vehicle model with anti roll bar. CPU times are also measured to see the real-time capabilities of the proposed method.

키워드

참고문헌

  1. Kim, S. S. and Jung, H. K., 1998, 'An Efficient Modeling Method of Suspensions for Vehicle Dynamic Simulation,' 1998 Spring Conference Proceeding of KSME, Vol. II, pp. 674~679
  2. Kim, S. S. and Jung, H. K., 2002, 'Functional Suspension Modeling and Vehicle Dynamic Analysis Using K &C Test,' 2002 Spring Conference Proceeding of KSAE, pp. 855~861
  3. Kim, S.-S., 2002, 'A Subsystem Synthesis Method for Efficient Vehicle Multibody Dynamics,' Multibody System Dynamics, Vol 7, pp. 189~207 https://doi.org/10.1023/A:1014457111573
  4. Kim, K. S. and Yoo, W. S., 1997, 'Development of a Roll Stabilizer Bar Module in the Vehicle Dynamic Analysis Program AUTODYN7,' 2002 Spring Conference Proceeding of KSAE, pp. 197~202