轮胎侧径耦合振型及对三维模型的影响  

Tire lateral-radial shape coupling and its influence on 3-D tire models

作　　者：李宝江[1] 管迪华[1] 

机构地区：[1]清华大学汽车工程系,汽车安全与节能国家重点实验室,北京100084

出　　处：《清华大学学报（自然科学版）》2008年第5期868-871,共4页Journal of Tsinghua University(Science and Technology)

基　　金：国家教育振兴计划资助项目

摘　　要：针对文献中示出的轮胎存在侧径耦合振型的现象,考虑该现象可能对三维模型产生的影响。首先通过模态试验得到了某一子午线轮胎在侧向激励下的径向振型参数,并以相应的径向激振试验进行了验证。然后将得到的结果纳入到模态参数静态侧倾模型中,比较了纳入与否对模拟结果的影响。结果表明:对于一般轿车用子午线轮胎,轮胎侧径耦合振型对轮胎侧倾特性几乎没有影响,在建立三维轮胎模型时无需纳入。Tire lateral-radial shape coupling may influence the predictions of 3-D tire models. The radial shape of a radial tire with lateral excitation was extracted first and then validated using the corresponding lateral shape with radial excitation. The extracted shape parameters were then used in the modal parameter static camber model with the results compared with those without the lateral-radial coupling shape. The comparison shows that for a general used car tire, the lateral-radial coupling shape has little effect on the tire camber, so the lateral-radial coupling shape can be neglected in the 3-D model.

关 键 词：轮胎 模态参数 三维模型 静态侧倾特性 

分 类 号：U463.341[机械工程—车辆工程]