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The Theoretical Concept and Method System of Traffic Congestion Control of Urban Road Network with Intelligent Transportation Systems

机译：智能交通系统城市公路网交通拥堵控制理论概念及方法体系

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摘要

As the intelligent transportation system constructions at home are increasingly perfect, the originally open network system of urban road traffic is gradually changed into a virtual closed controlled network, in which the traffic processes and states can be detected, measured, and controlled. But the traditional open system idea based theories about the balance between supply and demand of urban traffic system, as well as the corresponding congestion control theories and methods, are difficult to match effectively with current field applications. How to identify urban traffic network equilibrium principle under the condition of intelligent transportation systems and set up the corresponding theory and method of congestion control becomes the crucial issues for modern urban traffic management and smart city construction. This paper summarizes the development states of intelligent traffic management and control system in Chinese cities, put forwards the theoretical concept for traffic congestion control of urban road network with intelligent transportation systems, which establishes a virtual closed spatio-temporal system by the "data perimeter or boundary" expressed as the discrete detection points of traffic flow-in-and-out data in the range of controlled urban road network, implements pinning control mixed with active control in combination with macroscopic fundamental diagram (MFD) theory and the perimeter and boundary flow control methods, based on the regional traffic controllability. And the technical route and method system to realize this theoretical concept is further designed.
机译：随着家庭智能交通系统结构越来越完善，最初开放的城市道路交通系统逐渐变为虚拟封闭控制网络，其中可以检测，测量和控制流量流程和状态。但是，传统的开放系统理念的基于对城市交通系统供需之间的平衡的理论，以及相应的拥塞控制理论和方法，难以有效地匹配当前的现场应用。如何在智能运输系统的条件下识别城市交通网络均衡原理，并建立相应的拥堵控制理论和方法成为现代城市交通管理和智能城市建设的关键问题。本文总结了中国城市智能交通管理和控制系统的发展状态，提出了与智能交通系统的城市道路网络交通拥堵控制的理论概念，由“数据周长或者”建立了虚拟封闭的时空系统边界“表示为控制城市道路网络范围内的交通流向和输出数据的离散检测点，实现与主动控制混合的固定控制与宏观基础图（MFD）理论和周边和边界流相结合基于区域交通可控性的控制方法。和技术路线和方法系统实现了这种理论概念进一步设计。

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