| 轿车轮胎附着因数-滑移率特性的测试及其与整车制动效能的相关性研究 |
| Test of Attachment Coefficient-Slip Ratio Characteristics of Passenger Car and Its Correlation with Vehicle Braking Efficiency |
| 投稿时间：2019-02-12 修订日期：2019-02-12 |
| DOI：10.12136/j.issn.1000-890X.2019.10.0785 |
| 中文关键词: 轿车轮胎 附着因数 滑移率 测试 制动效能 |
| 英文关键词: passenger car tire grip coefficient slip ratio test braking efficiency |
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| 中文摘要: |
| 研究拖车法测试轿车轮胎在干湿路面的附着因数（μ）-滑移率（s）特性，以及轮胎的峰值附着因数与整车制动效能之间的关系。结果表明：采用拖车法可有效测试轮胎的μ-s特性；拖车法测试的轮胎峰值附着因数与整车制动效能有明显的相关性，峰值附着因数越大，制动距离越短。该方法可用于制动效能比对及轮胎选型。 |
| 英文摘要: |
| The grip coefficient(i>μ)-slip ratio(s) characteristics of passenger car tire on wet and dry
road surface tested by trailer method and the relationship between the peak grip coefficient of the tire and
the braking efficiency of the vehicle were investigated. The results showed that the trailer method could
effectively test the i>μ-s characteristics of tire. The peak grip coefficient of the tire tested by trailer method had
a significant correlation with the braking efficiency of the vehicle. The larger the peak grip coefficient was，
the shorter the braking distance was. This method could be used for braking performance comparison and tire
selection. |
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