| 汽车侧翻及稳定性分析 |
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| 引用本文： | 金智林,翁建生,胡海岩.汽车侧翻及稳定性分析[J].机械科学与技术(西安),2007,26(3):355-358. |
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| 作者姓名： | 金智林 翁建生 胡海岩 |
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| 作者单位： | 南京航空航天大学,车辆工程系,南京,210016;南京航空航天大学,车辆工程系,南京,210016;南京航空航天大学,车辆工程系,南京,210016 |
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| 摘 要： | 通过对三自由度线性汽车侧翻模型的理论分析,得到了汽车侧翻系统准动态稳定因子。与静态稳定因子进行了比较,并应用劳斯-赫尔维茨稳定性判据得到了汽车侧翻系统的稳定性条件。通过数值仿真分析得到了汽车结构参数对侧翻稳定区域的影响,并通过固定转角及变车道行驶两个实例仿真来验证,得到结果与理论分析一致。
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| 关 键 词： | 汽车侧翻 准动态稳定因子 稳定条件 |
| 文章编号： | 1003-8728（2007）03-0355-04 |
| 修稿时间： | 2006-04-14 |
Analysis of Vehicle's Rollover Stability |
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| Jin Zhilin,Weng Jiansheng,Hu Haiyan.Analysis of Vehicle's Rollover Stability[J].Mechanical Science and Technology,2007,26(3):355-358. |
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| Authors: | Jin Zhilin Weng Jiansheng Hu Haiyan |
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| Affiliation: | Department of Automibile Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016 |
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| Abstract: | The paper obtained the quasi-dynamic stability factors and stability conditions of vehicle rollover through the theoretical analysis of its 3DOF linear model.The quasi-dynamic stability factors were compared with traditional static stability factors.Numerical simulation reveals the influence of vehicle′s structural parameters on rollover regions,and the influence is verified by the two instances of cornering and lane-change manoeuvre.The verification results agree well with theoretical analysis results. |
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| Keywords: | vehicle rollover quasi-dynamic stability factor stability conditions |
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