| 快速路整体性匝道仪控仿真研究 |
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| 引用本文： | 焦敏朵,张堂贤.快速路整体性匝道仪控仿真研究[J].交通与计算机,2008,26(5). |
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| 作者姓名： | 焦敏朵 张堂贤 |
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| 作者单位： | 1. 上海交通信息中心 上海 20032
2. 台湾国立大学 台北 |
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| 摘 要： | 以Payne车流模型和宏观交通流连续方程为基础,将多路段的动态交通流离散方程应用于控制系统的描述,以泰勒展开式及连锁律推导二阶非线性速率方程式,构建一非线性整体匝道仪控模型.算例中以快速路检测的实时资料为前提,matlab 6.5为仿真工具,进行模拟和数值计算,仿真结果表明:非线性控制模型可有效的疏解高峰期交通拥挤的状况.
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| 关 键 词： | 整体性匝道仪控 非线性控制 快速路 |
Simulation of Coordinated Ramp-metering Control in Freeway |
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| JIAO Minduo,ZHANG Tangsien.Simulation of Coordinated Ramp-metering Control in Freeway[J].Computer and Communications,2008,26(5). |
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| Authors: | JIAO Minduo ZHANG Tangsien |
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| Institution: | Shanghai Municipal Transportation Information Center;Shanghai 200032;China;National Taiwan University;Taipei;China |
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| Abstract: | Based on Payne traffic flow model and macroscopic continuity equation,the dynamic traffic flow discrete equation of multiple segments was applied to describing the control system.The two-order nonlinear speed formulation was deduced by using Taylor's series and chain rule.A model of nonlinear coordinated ramp-metering control was established.An example was calculated and simulated by matlab 6.5.The simulation results indicate that the nonlinear control model can make the flow on mainline more stable and rel... |
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| Keywords: | coordinated ramp metering control nonlinear control freeway |
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