非满载罐式半挂汽车列车侧倾稳定性评价改进算法

›› 2012, Vol. 42 ›› Issue (05): 1089-1094.

非满载罐式半挂汽车列车侧倾稳定性评价改进算法

李显生, 郑雪莲, 刘宏飞

吉林大学交通学院,长春 130022

收稿日期:2011-11-05 出版日期:2012-09-01 发布日期:2012-09-01
通讯作者: 刘宏飞(1971-),男,副教授.研究方向:半挂汽车列车操纵稳定性.E-mail:liuhongfei68@yahoo.com.cn E-mail:liuhongfei68@yahoo.com.cn
基金资助:
"十一五"国家科技支撑计划项目(2009BAG13A04).

Improved algorithm on roll stability evaluation of partially filled tractor-tank semitralier

LI Xian-sheng, ZHENG Xue-lian, LIU Hong-fei

College of Transportation, Jilin University, Changchun 130022, China

Received:2011-11-05 Online:2012-09-01 Published:2012-09-01

摘要/Abstract

摘要： 针对传统准静态(QS)方法在瞬时液体质心的求解和车辆侧倾模型两方面存在的缺陷和不足,改进了改良的方形和椭圆形横截面罐体内瞬时液体质心的求解过程,并推导了改良方形罐体内液体质心的求解公式。重新建立了车辆侧倾模型,避免了不常见和难获得车辆参数的使用,简化了侧倾极限值的求解。利用改进的QS方法通过Matlab对液体密度固定和载质量固定两种情况下的车辆侧倾极限值随充液比的变化进行了仿真。仿真结果表明:改进的QS方法可准确地预测车辆侧倾极限值。

关键词: 交通运输安全工程, 侧倾稳定性, 罐式半挂汽车列车, 准静态方法

Abstract: From the fact that the quasi-static method has deficiency in the solution of the transient mass center of sloshing fluid and the corresponding vehicle rollover modelling, the solutions of the transient mass center of sloshing fluid in tanks with modified square and modified oval cross sections were improved, and the exact equations for the mass center in the tank with modified square cross section were derived. A new vehicle rollover model was built without uncommon and hard-to-get parameters, simplifying the solution of vehicle rollover threshold. Using the improved quasi-static method, the change of the vehicle rollover threshold with filling percent under conditions of constant cargo density and constant cargo mass was simulated by Matlab. The results showed that the improved quasi-static method can predict accurately the vehicle rollover threshold.

Key words: engineering of communications and transportation safety, roll stability, tractor-tank semitrailer, quasi-static(QS) method

中图分类号:

U469.5

李显生, 郑雪莲, 刘宏飞. 非满载罐式半挂汽车列车侧倾稳定性评价改进算法[J]. , 2012, 42(05): 1089-1094.

LI Xian-sheng, ZHENG Xue-lian, LIU Hong-fei. Improved algorithm on roll stability evaluation of partially filled tractor-tank semitralier[J]. , 2012, 42(05): 1089-1094.

参考文献

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[4] Ranganathan R, Rakheja S, Sankar S. Steady turning stability of partially filled tank vehicles with arbitrary tank geometry[J]. Journal of Dynamic Systems, Measurement, and Control, 1989, 111(3): 481-489.
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