Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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A Study on Lateral Tire-road Friction Coefficient Estimation Using Tire Pneumatic Trail Information

타이어 뉴메틱 트레일 정보를 활용한 횡방향 타이어 노면 마찰 계수에 관한 연구

  • Han, Kyoungseok (School of Mechanical, Aerospace & System Engineering, KAIST) ;
  • Choi, Seibum (School of Mechanical, Aerospace & System Engineering, KAIST)
  • 한경석 (한국과학기술원 기계공학과) ;
  • 최세범 (한국과학기술원 기계공학과)
  • Received : 2015.11.26
  • Accepted : 2015.12.14
  • Published : 2016.05.01
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Abstract

The demands for vehicle safety systems such as ABS and ESC have been increased. Accurate vehicle state estimation is required to realized the abovementioned systems and tire-friction coefficient is crucial information. Estimation of lateral tire-road friction coefficient using pneumatic trail information is mainly dealt in this paper. Pneumatic trail shows unique characteristics according to the wheel side slip angle and these property is highly sensitive to vehicle lateral motion. The proposed algorithm minimizes the use of conventional tire models such as magic formula, brushed tire model and Dugoff tire model. The pure side slip maneuver, which means no longitudinal dynamics, is assumed to achieve the ultimate goal of this paper. A simulation verification using Carsim and Simulink is performed and the results show the feasibility of the proposed algorithms.

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References

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