| CFA6470HEV发动机燃油经济性的BP神经网络建模及优化 |
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| 引用本文： | 邓元望,张邦基,龚金科,谭理刚.CFA6470HEV发动机燃油经济性的BP神经网络建模及优化[J].汽车工程,2009,31(2). |
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| 作者姓名： | 邓元望 张邦基 龚金科 谭理刚 |
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| 作者单位： | 湖南大学先进动力总成技术研究中心、机械与汽车工程学院,长沙,410082 |
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| 基金项目： | 湖南省科技计划重大专项项目，湖南省自然科学基金重点项目 |
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| 摘 要： | 对MATLAB软件中的BP神经网络及数值分析方法进行了研究,并将其应用于CFA6470HEV发动机特性的建模,在对模型的结构参数优化的基础上,获得了合适的发动机特性模型.应用数值分析方法确定了发动机的最优经济性运行区间以及与之对应的发动机节气门开启角与转矩和转速之间的关系,利用此关系,可通过对发动机节气门的调节实现对发动机最佳燃油经济性的控制.
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| 关 键 词： | 混合动力电动汽车发动机 BP神经网络 燃油经济性 优化 |
BP Neural Network Modeling and Optimization on Engine Fuel Economy of CFA6470HEV |
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| Deng Yuanwang,Zhang Bangji,Gong Jinke,Tan Ligang.BP Neural Network Modeling and Optimization on Engine Fuel Economy of CFA6470HEV[J].Automotive Engineering,2009,31(2). |
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| Authors: | Deng Yuanwang Zhang Bangji Gong Jinke Tan Ligang |
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| Institution: | Deng Yuanwang,Zhang Bangji,Gong Jinke & Tan Ligang Research Center for Advanced Powertrain Technology,College of Mechanical , Automobile Engineering,Hunan University,Changsha 410082 |
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| Abstract: | The back-propagation(BP) neural network and numerical analysis methods in MATLAB software are studied and applied to the modeling of the CFA6470HEV engine characteristics.Based on the structural parameters optimization of the model,an appropriate model for engine performance is obtaind.By using numerical analysis methods,the engine operation range with optimal fuel economy and the corresponding relationship among throttle opening,torque and rotation speed of the engine are determined.With the relationship,t... |
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| Keywords: | hybrid electric vehicle engine BP neural network fuel economy optimization |
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