| 基于二元插值算法的汽车经济性计算方法的研究 |
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| 引用本文： | 陈国辉,华从波.基于二元插值算法的汽车经济性计算方法的研究[J].农业装备与车辆工程,2012,50(7):26-28. |
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| 作者姓名： | 陈国辉 华从波 |
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| 作者单位： | 230601,安徽省 合肥市 安徽江淮汽车股份有限公司 |
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| 摘 要： | 通过分析笛卡尔节点集二元插值算法,将其运用于发动机特定转速下燃油消耗率的拟合,得出计算公式,文章给出了计算的具体方法,并且文章在理论分析二元插值算法的基础上,提供了基于MATLAB的插值计算程序,并以此为基础计算出车辆等速百公里油耗及等加速百公里油耗值,并且在通过试验实际测量了百公里油耗,结果显示,本文所提出的计算方法是准确的,为车辆经济性计算及速比选择提供依据。
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| 关 键 词： | 二元插值 汽车经济性 拟合 |
Research on Vehicle Economy Calculation Method Based on the Dual Function Interpolation |
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| CHEN Guo-hui
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HUA Cong-bo.Research on Vehicle Economy Calculation Method Based on the Dual Function Interpolation[J].Agricultural Equipment & Vehicle Engineering,2012,50(7):26-28. |
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| Authors: | CHEN Guo-hui HUA Cong-bo |
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| Institution: | (Anhui Jianghuai Automobile Company, Hefei City, Anhui Province 230601, China) |
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| Abstract: | In this paper, the calculating formula is educed by analyzing the dual function interpolation algorithm based on Cartesian node set and applying it to the fitting of fuel consumption rate on a particular engine speed. And on the basis of the formula, the vehicle 100 km fuel consumption at constant speed and when accelerating is calculated, which provides reference for vehicle’s economic value and gear ratio selection. In the paper, the specific method of calculation is given, and MATLAB-based interpolation algorithm program is provided on the foundation of theoretically analyzing dual interpolation algorithm. Then the vehicle 100 km fuel consumption of constant speed acceleration is calculated, and the 100 km fuel consumption is actually measured by experiment, whose results show the calculative method is accurate. |
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| Keywords: | dual function interpolation vehicle economy fitting |
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