| 铁路货车溜放风阻力探讨 |
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| 引用本文： | 向劲松,李金海.铁路货车溜放风阻力探讨[J].西南交通大学学报,1990(1). |
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| 作者姓名： | 向劲松 李金海 |
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| 作者单位： | 铁道部通信信号公司研究设计院(向劲松) |
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| 摘 要： | 本文利用原铁路货车溜放风阻力试验的第一手资料,采用理论研究与计算机辅助模拟相结合的方法,给出了能适于驼峰设计与溜放控制精度的函数关系,精确、高效地计算车辆溜放风阻力,为驼峰设计与控制理论提供基本参数。
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| 关 键 词： | 曲线拟合 最小二乘法 泰勒级数法 试验曲线 残差平方和 |
Discussion on the Wind Resistance of Rolling Waggons |
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| Xiang Jinsong,Li Jinhai.Discussion on the Wind Resistance of Rolling Waggons[J].Journal of Southwest Jiaotong University,1990(1). |
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| Authors: | Xiang Jinsong Li Jinhai |
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| Institution: | Xiang Jinsong;Li Jinhai |
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| Abstract: | By means of the original experimental materials of wind resist- ance of rolling waggons and computer-aided simulate method- ology, this paper presents a functional relation which can be used to obtain basic parameters for hump design and automatic rolling control with high accuracy and efficiency. |
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| Keywords: | curve-fitting least-square method method of Taylor series experiment curve the sum of difference square |
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