Regeneration of Road Profile to Compensate Nonlinearties of Tires

타이어의 비선형성 보장을 위한 노면 형상의 재구성

  • Published : 1999.11.01

Abstract

For the stress and vibration analysis of vehicle component by computer simulation, it is necessary to find the forces acting on the vehicle components due to the road profile undulation. A precise modeling of tires is not easy due to nonlinear effects between tire-ground. In this study, a new method is proposed to regenerate road profiles that preserves the same PSD of wheel with a linear tire model. Using the frequency response function between road-wheel , the digital signal processing method, and DADS program , road profile is regenerated from the computer simulation.

Keywords

References

  1. SP-506, SAE Paper No.820001 Endurance Testing of Heavy Duty Vehicles R.W.Murphy
  2. Journal of Engineering Materials and Technology, Trans. ASME v.103 A New Approach to the Evaluation of fatigue under Multiaxial Loadings Y.S.Garud
  3. Ph.D. Thesis, The Univ. of Iowa Computational Methods for Life Prediction of mechanical Components of Dynamic System T.Liu
  4. Technical Report 86-20, The Univ. of Iowa Progress in Flexible system Dynamics and Vehicle Lige Prediction E.J.Haug;T.S.Iiu;L.Johnson;W.K.Baek(et al.)
  5. Trans. of the ASME, Journal of Engineering for Industry v.115 no.4 Integrated Durability Analysis W.K.Baek;R.I.Stephens;B.Dopker
  6. Ph.D. Thesis, The Univ. of Iowa Computational Life Prediction Methodology for Mechanical Systems Using Dynamic Simulation, Finite Element Analysis , and Fatigue Life Prediction Methods W.K.Gaek
  7. J. of Terramechanics v.3 no.3 The Irregularities of Farm Field Roads and Fields as Sources of Farm Vehicle Vibration J.G.Wendenborn
  8. J. of Sound and Vibration v.31 no.2 The Description of Road Surface Roughness C.J.Doodds;J.D.Robinson
  9. Reporting Vehicle Road Surfacc Irregularities ISO/TC108/SC2/WG4 N57
  10. Automobil'naya Promyshienmost v.30 no.1 Spatial Description of the Micro-Profile of Automotive Roads Y.M. Pevzner;A.A. Tikhonov
  11. Random Data : Analysis and Measurement Procedures J.S.Bendat;A.G.Piersol