A Study on the Effects of Suspension Design Parameters on Cornering Performances of a Vehicle

차량의 선회성능에 미치는 현가장치 설계인자의 영향에 관한 연구

  • 이장무 (서울대학교 기계설계학과) ;
  • 윤중락 (서울대학교 대학원 기계설계학과) ;
  • 강주석 (서울대학교 대 학원 기계석계학과) ;
  • 정종혁 (서울대학교 대학원 기계설계학과) ;
  • 탁태오 (강원대학교 기계공학과)
  • Published : 1996.08.01

Abstract

In this paper the effects of suspension design parameters on the steady-state cornering performance of vehicles are studied. To investigate the understeer characteristics of vehicles, steady-state cornering equatons are derived from a two-track model which is expanded from a simple one track model. The effects of the suspension design parameters as well as those of lateral load transfer are taken into consideration. To verify the equation, a skid pad test was carried out with a domestic passenger car. The design parameters of the vehicle are measured using a Suspension Parameter Measuring Device(SPMD). Based on these results, parameter studies are carried out to determine the effect of design parameters on the cornering performance of a vehicle, both in low and high acceleration region.

Keywords

References

  1. SAE paper No. 670078 The Influence of Vehicle Design Parameters on Characteristics Speed and Understeer R. T. Bundorf
  2. SAE Journal v.48 no.3 Car Control Factors and Their Measurement K. A. Stonex
  3. Automobile Engineer v.40 no.530;573 Directional Stability G. E. Lind-Walker
  4. SAE paper No. 925045 The Cornering Compliance Concept for Description of vehicle Directional Control Properties R. T. Bundorf;R. L. Leffert
  5. SAE paper No. 911872 An Investigation of a Road-Vehicle Directional Behavior Under Steady-State Conditions S. A. Lukowski;R. A. Fieder;P. W. Claar
  6. SAE J670e Vehicle Dynamics Terminology Society of Automotive Engineers
  7. ISO 4138 Road Vehicles-Steady State Circular Test Procedure
  8. SAE XJ266, Proposed Recommended Practice Passenger Car and Light Truck Directional Control Test Procedure SAE
  9. SAE paper No. 911921 Magic Numbers in Design of Suspensions for Passenger Car Design P. Barak
  10. Proceedings of The Institution of Automobile Engineers v.32 National Influences on American Passenger Car Design M. Olley
  11. Fundamentals of Vehucle Dynamics T. D. Gillespie
  12. 서울대학교 공학박사 학위논문 승차감 및 조정성능을 고려한 현가장치의 동적설계 연구 최영휴