基于共享内存的区域交通控制系统设计与实现  

Design and Implementation of regional traffic control system based on shared memory

作　　者：连仁包[1] 

机构地区：[1]福建江夏学院电子信息科学学院,福州350108

出　　处：《齐齐哈尔大学学报（自然科学版）》2014年第6期33-37,共5页Journal of Qiqihar University(Natural Science Edition)

基　　金：福建省教育厅科技项目(JB12195)

摘　　要：区域交通控制系统可以完成道路交叉口的单点优化控制、主干绿波控制和区域交通网络优化等功能。系统需要实时检测每个交叉口的交通参数,根据交通参数计算新的交通控制策略,并下达策略到智能信号机,以优化道路交通管控,同时还支持人为的操控介入,系统规模较大,实现难度较高。为了降低系统的实现难度和提高系统的模块化程度,提出了一种基于共享内存和多进程协同机制的设计方案,并应用在了具体的实施项目中,实践证明,本文的设计方案可简化交通控制系统的实现,并提高系统稳定性和扩展性。Regional traffic control system can realizes the control optimization of road intersection, green wave band control of main roads, regional transportation network optimization and other functions. In order to achieve these targets, the system needs to real-time detection of traffic parameters at each intersection, and then calculate better traffic control strategy according to the traffic parameters, and download new strategy to intelligent signal machine, at the same time manual interruption is supported in the system, all above cause the system to a larger scale and higher difficulty of realization. In order to reduce the implementation difficulty and improve system modularity, a design scheme of cooperative multi-process mechanism based on shared memory is proposed in this paper. The practice in the specific projects has proved that the scheme descript by this paper can simplify the traffic control system, and improve the system stability and scalability.

关 键 词：区域交通控制系统 共享内存 多进程 

分 类 号：TP311.5[自动化与计算机技术—计算机软件与理论]