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作 者:周鹏 王旭飞[1] 刘怡帆 王鹏辉 ZHOU Peng;WANG Xufei;LIU Yifan;WANG Penghui(School of Mechanical Engineering,Shaanxi University of Science and Technology,Shaanxi Hanzhong 723000)
机构地区:[1]陕西理工大学机械工程学院,陕西汉中723000
出 处:《汽车实用技术》2022年第2期82-86,共5页Automobile Applied Technology
基 金:陕西省重点实验室项目(18JS020)。
摘 要:汽车爆胎是一种极其危险的工况,通过数学公式难以准确表达爆胎轮胎的力学特性,试验研究难度较大。文章以Carsim软件中的205/45 R17型轮胎为载体,通过对爆胎轮胎参数进行修正,建立了Carsim内置轮胎爆胎模型。通过仿真计算,车辆发生爆胎会导致汽车偏离预期道路,车身向爆胎轮胎侧偏转,爆胎轮胎纵向力及侧偏力剧烈变化,导致受爆胎影响最大的轮胎纵向力变大3.5倍,侧偏力变大10.5倍,仿真结果为爆胎车辆稳定性控制研究提供了基础。Flat tire is an extremely dangerous condition,and it is difficult to accurately express the mechanical properties of tire with tire explosion through mathematical formula,so it is difficult to conduct experimental research.In this paper,the 205/45 R17 tire in Carsim software is taken as the carrier,and the flat tire model is established by modifying the tire parameters.Through the simulation calculation,the car body will deviate from the expected road when the tire blows out,and the longitudinal force and lateral force of the tire change dramatically.The longitudinal force of the tire most affected by the falt tire will increase 3.5 times,and the lateral force will increase 10.5 times,the simulation results provide a basis for the stability control of the vehicle with flat tire.
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