| 城市公交车行驶工况的构建 |
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| 引用本文： | 朱俊虎,石琴,周洁瑜.城市公交车行驶工况的构建[J].交通科技与经济,2011,13(3):108-112. |
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| 作者姓名： | 朱俊虎 石琴 周洁瑜 |
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| 作者单位： | 合肥工业大学机械与汽车工程学院,安徽合肥,230009 |
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| 基金项目： | 国家自然科学基金资助项目(70771036); 安徽省自然科学基金资助项目(070416244) |
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| 摘 要： | 以城市公交车为研究对象,运用覆盖率、路段频度等方法,选取城市典型的公交运行线路,并进行大量的实验和实际运行数据的采集。利用主成分析和聚类分析构建行驶工况,研究表明,将众多反映道路交通特征的运动学片段特征值用主成分析法压缩成代表原始数据80%以上信息的3个或4个公因子的方法是可行的,接着用聚类分析提炼这些运动学片段。根据统计分析的概率随机选择并重组实际运动学片段,并以典型公交线路为研究对象进行分析,得出一个基于实际公交车速度的行驶工况,构建能反映典型公交线路交通状况的工况。
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| 关 键 词： | 公交车 行驶工况 主成分分析 运动学片段 |
The City Bus Driving Cycle Construction |
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| ZHU Jun-hu,SHI Qin,ZHOU Jie-yu.The City Bus Driving Cycle Construction[J].Technology & Economy in Areas of Communications,2011,13(3):108-112. |
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| Authors: | ZHU Jun-hu SHI Qin ZHOU Jie-yu |
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| Institution: | ZHU Jun-hu,SHI Qin,ZHOU Jie-yu(School of Machinery and Automobile Engineering,Hefei University of Technology,Hefei 230009,China) |
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| Abstract: | Research is made on the city bus,With the introduction of the concept of the coverage rate and frequency of section in traffic method,the typical public traffic routes are selected.Investigations are carried out on bus lines and actual operation data are collected.The paper used principal composition analysis and clustering theory to construct a driving cycle.Research shows that it is a feasible method to using principal composition analysis to compress kinematic sequence characteristics which can reflect t... |
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| Keywords: | city bus driving cycle principal component analysis microtrips |
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