基于无量纲格式的轮胎侧倾侧偏力学特性预测

doi:10.13229/j.cnki.jdxbgxb.20230858

Abstract

Abstract:

In order to improve the efficiency of tire virtual optimizing and shorten the vehicle development cycle， this paper decouples the lateral deformation of the tire camber and sideslip combined situation， and proposes a method of equating the camber as a load function. A dimensionless expression format for pure sideslip is established， and the estimation of tire camber and sideslip combined mechanical characteristics is achieved. The main advantage of this estimation method is that it realizes the dimensionality reduction in the expression of the camber and sideslip combined situation， and uses the input of the pure camber and pure sideslip to obtain the coupled mechanical characteristics of the two. Finally， the dimensionless estimation process is used in the UniTire model to verify its effect.

Key words: vehicle engineering, tire, UniTire estimation model, camber, sideslip, dimensionless

CLC Number:

U461.1

Dang LU,Yan-ru SUO,Yu-hang SUN,Hai-dong WU. Estimation of tire camber and sideslip combined mechanical characteristics based on dimensionless expression[J].Journal of Jilin University(Engineering and Technology Edition), 2025, 55(5): 1516-1524.

Figures/Tables 14

Fig.1

Fig.2

Table 1

Model input parameters"

$F z$ /N	$a$ /mm	$k t y$ /（N·m^-2）	$μ$
6 000	122	2 890 000	1.0

Table 1

Fig.3

Fig.4

Fig.5

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Fig.8

Fig.9

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Table 2

Table 3

References 19

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载荷/N	侧偏角/（°）	侧倾角/（°）
1 650，4 950，8 250，11 550，14 850	-24~24	-6
		-4
		4
		6

载荷/N	侧偏角/（°）	侧倾角/（°）
1 650，4 950，8 250，11 550，14 850	-24~24	0
1 650，4 950，8 250，11 550，14 850	0	-6~6

Estimation of tire camber and sideslip combined mechanical characteristics based on dimensionless expression

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