Real-Time Detection of Adhesion Coefficient between Tire and Road

Kui Yang Wang; Jin Hua Tang; Guo Qing Li; Chuan Yi Yuan

doi:10.4028/www.scientific.net/AMM.249-250.109

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 249-250Real-Time Detection of Adhesion Coefficient...

Real-Time Detection of Adhesion Coefficient between Tire and Road

Abstract:

Adhesion coefficient between tire and road is one of important factors which influence vehicle safety performance. On the basis of theoretical analysis, the detection method of adhesion coefficient based on brake-by-wire is put forward. Brake force is estimated according to pedal position sensor, vehicle braking deceleration is detected through MMA6260Q acceleration sensor. Motion state of tire is distinguished according to brake force and road braking force, vertical load of tire is received in view of formula on vehicle load transfer. Adhesion coefficient used for sliding area is got and taken as adhesion coefficient of road. Analysis shows that the detection method may identify adhesion coefficient between tire and road accurately, and has certain practical value.

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Periodical:

Applied Mechanics and Materials (Volumes 249-250)

Pages:

109-112

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.249-250.109

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Online since:

December 2012

Authors:

Kui Yang Wang, Jin Hua Tang, Guo Qing Li, Chuan Yi Yuan

Keywords:

Adhesion Coefficient, Brake-by-Wire, Braking Force, Real-Time Detection

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