查询词典 traffic control

Summarizing the study of oversaturated traffic control, although it has a long researching history, the acquaintance limitation of network traffic flow retards its development. This limitation includes the traffic flow model, control methodology and control objectives.

纵观对过饱和状态控制问题的研究，虽然起步较早，但限于人们对控制对象认识的水平，使得研究过程中采用的交通流模型、控制方法和控制问题描述等重要的环节有所局限。

Based on the dynamic change of the intersection traffic flow, two intersection traffic control strategies were proposed, including the variable lane use on certain intersection approach, and the split-phase signal control strategy. Then, the potential applicability, advantages and characteristics of the two strategies were analyzed. With the surveyed data, a corresponding simulation model was built, and the effectiveness of these methods was simulated with the traffic signal control simulation software Synchro.

针对信号控制交叉口实际流量动态变化的特征，在现有传统控制方法的基础上根据交叉口交通流的变化特点，提出采用可变车道控制模式的控制方法、单边轮放控制模式的控制方法，介绍了其潜在的适用条件、优势及特点，并在交通流量调查的的基础上，建立了交叉口的相应仿真模型，利用信号控制仿真软件Synchro验证了在高峰期不同控制方法的效果。

On account of the traffic flow with the high complexity and randomicity, we could adopt fuzzy theory and fuzzy control technology without setting up an accurate math model, which can avoid the unideal control effect, brought by inaccurate math model, and also can adapt the real-time control. Therefore, this paper applies the fuzzy theory and fuzzy control technology to research and discuss traffic control.

因为，交叉路口交通流的运行具有高度复杂性和随机性的特点，采用模糊理论和模糊控制技术，可以不需要建立精确的数学模型，这样既可以避免由于被控对象数学模型建立的不准确而导致控制效果不理想，又能够适应交叉路口的实时控制要求。

As the first road and city traffic specialty for master degree, this specialty lie the advanced level among the similar specialties and began incept students from 2000. There are 5 research directions of intelligent road traffic control and management, intelligent traffic information system, traffic programming and management, traffic environment and security, traffic system modeling and stimulation. With the stability theoretic knowledge and abundant practice experience, all graduates with master degree have the opportunity to go to study for doctoral degree, or to do work in these aspects of intelligent traffic, traffic engineering design, transportation programming, traffic control development, traffic establishment construction and so on.

本专业自2000年开始招生，是华南地区最早的以公路交通和城市道路交通为研究对象的硕士专业，处于国内同类专业的先进水平，先后开设有智能道路交通控制与管理；智能交通信息系统；交通规划与管理；交通系统建模仿真；交通环境与交通安全等研究方向，培养的学生既有扎实的专业基础理论知识，又有丰富的工程实践经验，能在国家与省、市的交通其相关部门从事智能交通、交通工程设计、交通运输规划、交通监控系统开发、交通基础设施建设等领域工作或进入博士阶段学习，得到用人单位重用和社会的好评。

As the first road and city traffic specialty for master degree, this specialty lie the advanced level among the similar specialties and began incept students from 2000. There are 5 research directions of intelligent road traffic control and management, intelligent traffic information system, traffic programming and management, traffic environment and security, traffic system modeling and stimulation. With the stability theoretic knowledge and abundant practice experience, all graduates with master degree have the opportunity to go to study for doctoral degree, or to do work in these aspects of intelligent traffic, traffic engineering design, transportation programming, traffic control development, traffic establishment construction and so on.

本专业自2000年开始招生，是华南地区最早的以公路交通和城市道路交通为研究对象的硕士专业，处于国内同类专业的先进水平，先后开设有智能道路交通控制与管理；智能交通信息系统；交通规划与管理；交通系统建模仿真；交通环境与交通安全等研究方向，培养的学生既有扎实的专业基础理论知识，又有丰富的工程实践经验，能在国家与省、市的交通及其相关部门从事智能交通、交通工程设计、交通运输规划、交通监控系统开发、交通基础设施建设等领域工作或进入博士阶段学习，得到用人单位重用和社会的好评。

Synthetically considering these characteristics, the method of freeway management and control are presented according to four aspects: system objective orientation and concept design, system demand and requirement analysis, system data management and network structure, traffic control and accident detecting theory as well as its application. Function and structure of system are delimitated from the point view of integration. Construction and function demand of subsystem are analyzed and basic implement projects are presented. In this thesis, system data flow and management method and target which based on system network topology structure and equipment demand are described. Traffic modeling ideology and the process of making dynamic model as well as accident detecting program are presented with centralized and distributed traffic control theory in detail, then freeway ramp control theory which based on predictive model and its theoretic pattern are explored. Finally, based on the object oriented programming, program of accident detecting and checking on freeway is developed by using visual C++ as tool.

论文综合考虑高速公路交通管理系统的上述特征，分别从系统目标定位及概念设计、系统需求分析、系统数据管理及网络结构分析、交通控制与交通事件检测理论与应用四个层面，对高速公路交通管理与控制问题进行了系统阐述，界定了系统的功能及各功能的实现要求，并从系统集成角度划分了系统的结构；分析了各子系统的信息、功能、建设等方面的需求，给出了基本实施方案要求；对系统数据流程进行了描述和梳理，提出了数据管理的方法、目标及措施，分析、设计了系统网络拓扑结构及设备需求；阐述了交通模型的建模思想和动态交通模型的建立过程，对集中式和分散式全局交通控制理论进行了详细的分析，提出了基于预测的高速公路匝道控制理论，并对理论模式及相关的问题进行了研究，分析了高速公路事件检测系统，并采用面向对象的编程思想，以Visual C++为编写工具，开发了高速公路事件检测系统分析软件。

It can control the signal light with its internal project; also the user can modify the project by the control panel. And the outstanding point is that the intelligent traffic signal machine has the function of long-distance stakeout and control. Namely the intelligent traffic signal machine can transmit the real time traffic data to the upper computer and display the data on computer. The upper computer can modify and transmit the traffic data to the signal machine, improving the efficiency of the traffic control. The system realizes the function of communication by the TCP/IP protocol, and the capability is very good in reliability and real time.

本信号机能够运行内部的固有方案控制交通信号灯，同时可以通过键盘面板对方案进行修改，其突出特点是具备远程监控功能，即信号机能够实时将路口交通方案信息反馈给监控中心并在主控界面显示出来，监控中心可根据路口实际情况对现行交通方案进行修改，通过以太网下传给路口信号机，改善交通流量控制。

Under the favor of this exhibition, we would like to recommend:ACTRA ATMS,a 3rd generation intelligent transportation management System by Eagle Traffic Control System, which is a very suitable system for China urban traffic control;Long mast traffic signal pole (patent No.972211349)which make traffic signals observed through the extend long arm;Eagle's LED traffic Signal with international quality and domestic price;BEMP-2000 multiple phases controller, an economical and practical controller designed by us for the traffic demands of developing city in China;Intelligent parking meter.

隆重推荐：ACTRA系统-鹰公司新近开发出的第三代智能交通管理系统(非常适合中国交通建设的实际情况)、长伸臂交通信号标志杆(已获国家专利局专利权，专利号972211349)、美国Eagle LED交通信号灯、BEMP2000系列多相位信号机(本公司自行开发，32相位，经济实用)、智能停车收费咪表。

Four major aspects, i.e., traffic safety, function and service, disaster prevention and control and traffic control should be considered in the design of the traffic engineering facilities of highway tunnels, which consist of traffic signs and traffic mark lines, traffic monitoring facilities, ventilation and lighting facilities, trumpet call system, fire alarming system, fire fighting and escaping facilities, power supply and distribution facilities, central control and management system.

公路隧道交通工程的设计，主要从隧道交通安全、功能服务、防灾救灾和交通管理四个方面考虑，具体由标志和标线、交通监控设施、通风与照明控制设施、紧急呼叫设施、火灾报警、消防与避难设施、供配电设施和中央控制管理系统与设施等组成，介绍了设计的指导思想，解释了各内容的功能和作用，同时指出了设计中存在的问题。

The objective is, based on the classification of airspace, to establish an En-route Control Area, Terminal/Approach Control Area, Airdrome Tower Control Area three-grade air traffic control areas;and then to establish an En-route Air Traffic Control Center, Terminal/Approach Air Traffic Control Center, Airdrome Tower Control Center three-grade air traffic control organization;To establish a reasonable backup mechanism and reduce the number of En-route Air Traffic Control Centers, finally to improve the quality of air traffic services.

本文系统地阐述了对管制区域重组战略目标所涉及的各子系统的考虑，重点分析了民航空中交通管理系统的运行体制、文化重组，并对战略实施过程进行了设计。空中交通管制区域的重组战略问题必须抛开部门利益的制约，站在国家利益的高度上，宏观长远地谋划。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失