Theoretical Research on Ideal Brake Force Distribution of Tractor-Semitrailer Cornering Braking

Chen Li; Xing Hu Li; Wei Zhou; Wei Liang Dai

doi:10.4028/www.scientific.net/AMM.467.451

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 467Theoretical Research on Ideal Brake Force...

Theoretical Research on Ideal Brake Force Distribution of Tractor-Semitrailer Cornering Braking

Abstract:

For tractor-semitrailer, load transfer during cornering braking caused big difference of the vertical load between coaxial wheels. As a result, braking efficiency and directional stability were affected seriously, the traditional design of braking force distribution between axles couldnt meet the requirements. In this paper, a dynamic model of tractor-semitrailer was established according to the motion and force during cornering braking. The rule of vertical load changing of each wheel with longitudinal acceleration and lateral acceleration was obtained. Combining with the tire and road adhesion conditions, the ideal brake force distribution was achieved. The research could provide theoretical reference to better control strategy of tractor-semitrailer braking control system.

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Periodical:

Applied Mechanics and Materials (Volume 467)

Pages:

451-455

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.467.451

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Online since:

December 2013

Authors:

Chen Li*, Xing Hu Li, Wei Zhou, Wei Liang Dai

Keywords:

Brake Force Distribution, Cornering Braking, Tractor-Semitrailer

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* - Corresponding Author

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