| 道路交通噪声计算机仿真模型 |
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| 引用本文： | 李超,刘小明,荣建.道路交通噪声计算机仿真模型[J].武汉理工大学学报(交通科学与工程版),2010,34(2):350-353. |
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| 作者姓名： | 李超 刘小明 荣建 |
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| 作者单位： | 北京工业大学北京市交通工程重点实验室,北京,100022 |
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| 摘 要： | 提出一种可用于计算道路路侧交通噪声的计算机仿真模型.将实测的车辆速度、类型和到达时间等微观交通数据作为输入量,利用车辆行驶模型更新车辆各仿真时刻的运行状态,借助车辆噪声模型计算车辆单体对测点的贡献值,进而求解整个车流的噪声值.该模型不但可以全面反映交通噪声起伏变化的时间分布特征,而且还可以预测和分析复杂交通条件下的噪声指标.通过实测数据对比分析,证明模型预测结果与实测数据吻合良好,预测精度为-0.4±1.0 dBA.
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| 关 键 词： | 道路交通噪声 噪声预测模型 计算机仿真 车辆噪声. |
Road Traffic Noise Computer Simulation Model |
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| Li Chao,Liu Xiaoming,Rong Jian.Road Traffic Noise Computer Simulation Model[J].journal of wuhan university of technology(transportation science&engineering),2010,34(2):350-353. |
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| Authors: | Li Chao Liu Xiaoming Rong Jian |
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| Institution: | Beijing University of Technology Beijing Key Laboratory of Transportation Engineering/a>;Beijing 100022/a>;China |
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| Abstract: | In this paper,a computer simulation model for predicting roadside traffic noise is presented.This model will be input as micro-traffic data,for example,measured vehicle speed,category and arrival time,uses vehicle movement model to update each vehicle's running states in each time,utilizes vehicle noise model to calculate noise level produced by each vehicle according to its running states,calculates the whole noise of traffic flow.This model not only can comprehensively reflect time distribution characteri... |
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| Keywords: | highway traffic noise noise prediction model computer simulation vehicle noise |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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