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轮胎侧偏特性对过桥车辆行车舒适性评价的影响

陈宁,  李永乐,  向天宇

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文章导航 > 西南交通大学学报  > 2016 >  29(4): 645-653.
陈宁, 李永乐, 向天宇. 轮胎侧偏特性对过桥车辆行车舒适性评价的影响[J]. 西南交通大学学报, 2016, 29(4): 645-653. doi: 10.3969/j.issn.0258-2724.2016.04.007
引用本文: 陈宁, 李永乐, 向天宇. 轮胎侧偏特性对过桥车辆行车舒适性评价的影响[J]. 西南交通大学学报, 2016, 29(4): 645-653. doi: 10.3969/j.issn.0258-2724.2016.04.007
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CHEN Ning, LI Yongle, XIANG Tianyu. Influence of Tire Cornering Property on Ride Comfort Evaluation of Vehicles on Bridge[J]. Journal of Southwest Jiaotong University, 2016, 29(4): 645-653. doi: 10.3969/j.issn.0258-2724.2016.04.007
Citation: CHEN Ning, LI Yongle, XIANG Tianyu. Influence of Tire Cornering Property on Ride Comfort Evaluation of Vehicles on Bridge[J]. Journal of Southwest Jiaotong University, 2016, 29(4): 645-653. doi: 10.3969/j.issn.0258-2724.2016.04.007
shu

轮胎侧偏特性对过桥车辆行车舒适性评价的影响

doi: 10.3969/j.issn.0258-2724.2016.04.007
基金项目: 

交通运输部应用基础研究计划项目(2014319J13100)

交通运输部建设科技计划项目(2014318800240)

四川省青年科技创新研究团队项目(15CXTD0005)

详细信息
    作者简介:

    陈宁(1986-),男,博士,讲师,研究方向为公路车辆行车安全性与防风措施,电话:15902849517,E-mail:chen-ning-520@163.com

    通讯作者:

    李永乐(1972-),男,教授,博士生导师,研究方向为桥梁风致振动与车桥耦合振动,电话:13540001365,E-mail:ceyongle@gmail.com

Influence of Tire Cornering Property on Ride Comfort Evaluation of Vehicles on Bridge

    摘要
  • 摘要: 侧风作用下桥上通行车辆因同时受到轮胎侧偏特性产生的侧偏力作用和桥梁振动响应的影响,驾驶员和乘客极易遭受行车舒适性问题,根据Dugoff非线性轮胎模型在车轮横向振动方程中引入轮胎侧偏力表达式,建立了考虑轮胎侧偏特性的车辆动力学分析模型.考虑自然风、车辆和桥梁三者之间的相互作用,构建了风-汽车-桥梁耦合振动分析框架,分析了不同影响因素下轮胎侧偏特性对车辆行驶舒适性评价的影响.结果表明:考虑轮胎侧偏特性后,车辆的横向振动状态得到了一定程度的改善,在风速25m/s及路面等级非常好的情况下,考虑轮胎侧偏特性时车辆行车舒适程度提高了20.6%.

     

    Abstract: Vehicles driving on bridges under crosswind are affected simultaneously by the cornering force generated from the cornering property of tire and vibration responses of bridges, and the driver and passengers are prone to suffer the degradation of ride comfort. First, the cornering force expression of the tire is introduced into the lateral vibration equation of the wheel according to the nonlinear Dugoff tire model. A dynamic model of vehicle is established taking into account the cornering property of tire. Then, a framework for the wind-vehicle-bridge system is established by analyzing interactions among the natural wind, vehicles and bridges. Based on the framework, effects of the tire cornering property on evaluation of the ride comfort of vehicles under various influencing factors are studied. Results show that after taking the cornering property of tire into account, the ride comfort of vehicles can be improved by improving the lateral vibration status of vehicles. Under a crosswind of 25m/s and on good road surface conditions, the ride comfort indicator of the vehicle is improved by 20.6% when the cornering property of tire is considered.

     

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出版历程
  • 收稿日期:  2014-07-20
  • 刊出日期:  2016-08-25

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