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A Method Study on the Optimal Ground Clearance of Truck Under-run Protector
| 题名： | A Method Study on the Optimal Ground Clearance of Truck Under-run Protector |
| 正文语种： | 中文 |
| 作者： | Yan Lei Chen Qiang Sun Zhendong Lin Miao |
| 作者单位： | hina utomotive Technology & Research enter, 100176, Beijing, hina |
| 关键词： | Truck Passenger Car Under-run Protector Optimal Ground Clearance |
| 摘要： | Background: Rear-end collision were one of the important types of road traffic accidents with the characteristics of heavy casualties.Among the accidents, it was caused greater casualties and higher mortality in the passenger car crashes into truck accidents.According to the analysis of lots of traffic accidents, it's found that the Under-run protector has a good protective effect and can reduce casualties in this kind of accidents.Objective: Only the analysis based on the actual accidents data was able to provide real foundation for improving the Under-run Protector.So this paper would, on the basis of actual accidents data, study the determination method of the Optimal Ground Clearance of the truck under-run protector.Method and material: Accident data were from China In-Depth Accident Study (CIDAS).In order to study a method on the optimal ground clearance of truck under-run protector, some accidents were appropriately chosen as data samples of the passenger car crashing into truck and the passenger car participating in the accident.Results: The relationship among the protection height difference, the crash-in depth, the head length and other parameters was analyzed, and the cumulative probability distribution was introduced into the study.Through derivation and transformation, the determination method of the optimal ground clearance was finally found out to be about 385mm.Conclusions: This paper focused on method exploration of the automotive safety technology as well as the vehicle standard key parameters on the basis of the actual traffic accidents data, so it can also provide a reference for other key parameters to be studied. |
| 会议日期： | 20141113 |
| 会议举办地点： | 重庆 |
| 会议名称： | 第十一届INFATS国际汽车交通安全学术会议 |
| 出版日期： | 2014-11-13 |
| 母体文献： | 第十一届INFATS国际汽车交通安全学术会议论文集 |
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