| Test of Attachment Coefficient-Slip Ratio Characteristics of Passenger Car and Its Correlation with Vehicle Braking Efficiency |
| Received:February 12, 2019 Revised:February 12, 2019 |
| DOI：10.12136/j.issn.1000-890X.2019.10.0785 |
| Key Words: passenger car tire；grip coefficient；slip ratio；test；braking efficiency |
| Author Name | Affiliation | E-mail | | ZHU Yao* | CATARC Yancheng Automotive Proving Ground Co.,Ltd | zhuyao@catarc.ac.cn | | CHEN Zhiqiang | CATARC Yancheng Automotive Proving Ground Co.,Ltd | | | YANG Zhen | CATARC Yancheng Automotive Proving Ground Co.,Ltd | |
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| Abstract: |
| 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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