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| 车辆动力传动系建模与整车性能仿真 | |
| 引用本文： | 董金松,许洪国,张荣辉,游峰,张红卫.车辆动力传动系建模与整车性能仿真[J].交通与计算机,2009,27(2):32-34. |
| 作者姓名： | 董金松 许洪国 张荣辉 游峰 张红卫 |
| 作者单位： | 1. 吉林大学,长春,130025;交通部公路科学研究院,北京,100088 2. 吉林大学,长春,130025 3. 华南理工大学,广州,510640 4. 交通部公路科学研究院,北京,100088 |
| 基金项目： | 西部交通建设科技项目 |
| 摘 要： | 动力传动系性能是影响车辆动力性和燃油经济性的重要因素，而发动机数学模型是整车性能模拟计算的重要依据。文中采用最小二乘拟合法获取发动机外特性的转速一元函数，运用曲面拟合法获取基于发动机转速和转矩的二元函数万有特性模型，运用Matlab建立整车动力性与燃油经济性计算机仿真平台。数值仿真计算和道路试验结果对比表明，计算方法及仿真平台设计是正确的，模拟计算值有效、可靠。 |
| 关 键 词： | 数学建模 最小二乘法 曲面拟合法 计算机仿真 交通环境与安全 |
Mathematical Modeling for Vehicle Power Train and Simulation for Vehicle Performance |
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| DONG Jinsong,XU Hongguo,ZHANG Ronghui,YOU Feng,ZHANG Hongwei.Mathematical Modeling for Vehicle Power Train and Simulation for Vehicle Performance[J].Computer and Communications,2009,27(2):32-34. | |
| Authors: | DONG Jinsong XU Hongguo ZHANG Ronghui YOU Feng ZHANG Hongwei |
| Institution: | Jilin University;Changchun 130025;China;South China University of Technology;Guangzhou 510640;China;Research Institute of Highway;MOC;Beijing 100088;China |
| Abstract: | Power train is an important factor affecting vehicle performance and fuel economy,and the mathematical model of engine and vehicle performance is an important basis for computer simulation.In this paper,least-square fitting was used to obtain engine speed characteristics function.An engine speed and torque characteristics dual function model was got by adopting surface fitting.Finally,a vehicle computer simulation platform was developed based on Matlab.The digital simulation platform and vehicle road test r... |
| Keywords: | mathematical modeling least square method sphere fitting algorithm digital simulation traffic environment and safety |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |