磨损对轮胎侧偏刚度和回正刚度影响的研究

doi:10.3901/JME.2020.12.174

机械工程学报 ›› 2020, Vol. 56 ›› Issue (12): 174-183.doi: 10.3901/JME.2020.12.174

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磨损对轮胎侧偏刚度和回正刚度影响的研究

卢荡¹, 卢磊¹, 吴海东¹, 李论², 王伟², 吕满意²

1. 吉林大学汽车仿真与控制国家重点实验室长春 130000;
2. 中国第一汽车集团有限公司研发总院底盘开发所长春 130000

收稿日期:2019-07-30 修回日期:2019-12-02 出版日期:2020-06-20 发布日期:2020-07-14
通讯作者: 吴海东(通信作者),男,1978年出生,博士,副教授,硕士研究生导师。主要研究方向为轮胎动力学。E-mail:wuhd@jlu.edu.cn
作者简介:卢荡,男,1972年出生,博士,教授,博士研究生导师。主要研究方向为轮胎动力学。E-mail:ludang@jlu.edu.cn;卢磊,男,1989年出生,博士研究生。主要研究方向为轮胎动力学。E-mail:lulei17@mails.jlu.edu.cn
基金资助:
国家自然科学基金资助项目（51775224）。

Study on Influence of Wear on Tire Cornering Stiffness and Aligning Stiffness

LU Dang¹, LU Lei¹, WU Haidong¹, LI Lun², WANG Wei², Lü Manyi²

1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130000;
2. General R&D Institute of China Department Experiment Unit, China FAW Group Co., Ltd., Changchun 130000

Received:2019-07-30 Revised:2019-12-02 Online:2020-06-20 Published:2020-07-14

摘要/Abstract

摘要： 基于轮胎六分力测试结果，研究不同磨损状态下轮胎的侧偏力学特性，得出轮胎侧偏特征参数随着轮胎磨损量的变化规律。通过建立胎面磨损模型阐明轮胎磨损特性变化的机理，得到胎面刚度与磨损量的表达式，之后根据该表达式和考虑轮胎磨损状态的轮胎刷子模型，建立考虑胎面磨损的轮胎复杂刷子模型。通过模型推导得到磨损量与轮胎侧偏刚度、回正刚度的关系，以该关系为UniTire轮胎模型的建模基础表达公式，建立考虑磨损的UniTire侧偏模型。为验证模型的正确性，采用3种磨损状态的侧偏数据进行参数拟合，得到考虑磨损的UniTire侧偏模型，并预测其他2种磨损状态下的轮胎侧偏特性。预测模型的仿真结果与试验结果之间的误差较小，有效证明了考虑磨损的UniTire侧偏模型的预测能力。本研究有助于完善UniTire轮胎模型，为UniTire模型室内外扩展应用提供理论和技术支持。

关键词: 轮胎, 磨损, 侧偏刚度, 回正刚度, 刷子模型, UniTire轮胎模型

Abstract: Based on the results of tire handling test of tires, the cornering properties of the tire under different wear conditions are studied, and the variation law of the tire lateral deflection characteristic parameters with the tire wear amount is obtained. By establishing a tread wear model to clarify the mechanism of tire wear characteristics change, the expression of tread stiffness, aligning stiffness and wear amount is obtained. Then, based on the expression and the tire brush model considering the tire wear state, a complex brush model of the tire considering the tread wear is established. The relationship between the wear amount and the tire cornering stiffness is obtained by the model derivation. The relationship is used as the basic expression formula of UniTire modeling to establish the UniTire cornering model considering the tread wear. In order to verify the correctness of the model, three kinds of wear state cornering slip data are used to fit, and the UniTire cornering model considering wear is obtained, the tire cornering properties in the other two wear states is predicted. The error between the simulation results of the prediction model and the experimental results is small, which effectively proves the predictive ability of the UniTire cornering model considering wear. The UniTire tire model helps provide theoretical and technical support for the UniTire model indoor and outdoor expansion applications.

Key words: tire, wear, cornering stiffness, aligning stiffness, bush tire model, UniTire tire model

中图分类号:

TG156

卢荡, 卢磊, 吴海东, 李论, 王伟, 吕满意. 磨损对轮胎侧偏刚度和回正刚度影响的研究[J]. 机械工程学报, 2020, 56(12): 174-183.

LU Dang, LU Lei, WU Haidong, LI Lun, WANG Wei, Lü Manyi. Study on Influence of Wear on Tire Cornering Stiffness and Aligning Stiffness[J]. Journal of Mechanical Engineering, 2020, 56(12): 174-183.

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磨损对轮胎侧偏刚度和回正刚度影响的研究

Study on Influence of Wear on Tire Cornering Stiffness and Aligning Stiffness

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