文档介绍：湖南大学
硕士学位论文
高速公路收费系统中若干关键技术及模块设计
姓名:张桔娴
申请学位级别:硕士
专业:@
指导教师:李仁发;徐海玲
20070525
工程硕士学位论文

摘要

高速公路具有快速、安全、经济、舒适等特点。在国民经济建设中发挥着十
分重要的作用。高速公路普遍采取有偿服务,通过公路上的收费站回收建设资金。
从目前的情况来看中国大部分道路收费采用较落后的人工方式。人工收费存在
的弊病很多。落后的人工公路收费方式已远不能满足公路管理现代化的需要,近
年来,各国相继推出各种收费系统,都是采用计算机控制管理收费。
论文首先对国内外高速公路收费系统的现状作了分析,然后在分析三层架构
的基础上,提出了基于三层架构的高速公路收费系统,中间件通过在三层架构中
主要充当中间层,完成数据安全、完整地传输,通过负载均衡来调节系统的工作
效率,从而弥补了两层架构的不足。客户端和服务器端的负载相应减轻了,跨平
台、传输不可靠等问题也得到了解决。本系统是连接下的编程技术
的具体应用。论文中详细分析了系统的逻辑结构、三层体系结构、技术、
通讯;并设计了车道收费系统、收费站软件;探讨了基于代理,采用了集
群技术的任务调度策略。
该系统应用于某高速公路收费管理系统中,系统运行稳定,并取得了良好的
效果。

关键词:三层架构;高速公路;收费系统
II
高速公路收费系统中若干关键技术及模块设计

Abstract

Express highway has the characteristics of speediness, security, economy and
comfort and it plays a very important role in the national economy construction.
Generally, paid service is carried out to return the construction funds through the toll
stations on the highways. As things go, most of China’s highway charge still uses
lagging manual mode of operation which has many disadvantages and cannot satisfy
the needs of highway management modernization. In recent years, various countries
essively release all kinds of charge systems which puter control
management.
This paper first analyzes the current situation of the express highway charge
system at home and abroad, then, based on the analysis of three-level architecture, it
puts forward the express highway charge system based on three-level architecture.
Being the intermediate layer, middleware plishes the data transmission securely
and integrally. It regulates the efficiency of the system through load balancing so as to
compensate the disadvantages of two-level architecture. Loads on the client port and
server port are lessened accordingly. Questions like cross platform and unreliable
transmission are all solved. This system is the concrete application of the MIDAS
programming technology linking by socket. T