Urban freeway traffic modeling and control are surveyed in this paper.
该文综述城市高速公路交通建模与控制。
Absrtact: Ramp metering is the most widely used type of freeway traffic control.
摘要：匝道控制是目前使用最广泛的高速公路交通控制方法之一。
While in the acceleration lane, increase your speed to match that of freeway traffic.
在加速车道行驶时，要增加车速至同高速上车辆相适合。
On the basic, the idea and method of freeway traffic volume prediction are introduced.
在此基础上着重介绍了高速公路交通量预测研究的思路和方法。
This method is of great importance to realize on-line modeling and control of freeway traffic flow.
此方法对实现高速公路交通流的在线建模与控制具有重要意义。
Merge with freeway traffic in a smooth, gradual movement to the centre of the nearest freeway lane.
并道时，平滑、稳定的移动至最近的高速车道中央。
Ramp metering is regarded as one of the best control strategies for freeway traffic system and is widely used.
在高速公路控制方法中，入口匝道控制是应用最广、效果最好的一种控制方法。
As the uncertain features of the freeway traffic flow, fuzzy control can be used as an acceptable way to solve traffic problem.
由于高速公路交通流的不确定性，模糊控制是解决交通问题的有效方法。
The paper analysed the harmfulness and the cause of fog influencing on freeway traffic accidents, proposed some preventive methods.
分析了大雾对高速公路造成交通事故的危害、产生的原因，并通过多年的实践，提出了几项预防的方法。
Secondly, it get the regulation of space distribution, time distribution from Shenzhen-shantou freeway traffic by statistic analysis method.
其次从深汕西高速公路交通事故出发，通过统计分析，得出了交通事故的时间分布规律、空间分布规律等。
Based on the investigation and analysis of freeway traffic disasters, the main influential factors caused the traffic disaster were taken into account.
在对高速公路交通灾害进行调查分析的基础上，考虑影响交通灾害预誓的主要因素。
It shows that the proposed method can accurately describe the real behavior of freeway traffic flow and can adapt well to the changes of traffic condition.
结果表明，该方法能较准确地描述高速公路交通流的真实行为，并且能够适应交通状况的变化。
Based on the analysis of freeway traffic management system requirement, the freeway traffic management system structure, flow and application was provided.
本文对高速公路运营管理需求进行系统的分析，在此基础上，详细描述高速公路交通管理系统的结构、流程及其应用。
These were true Los Angeles moments - moments that most visitors, stuck in freeway traffic behind the steering wheel of their rental car, never get to experience.
这些才是真实的洛杉矶时刻——那些旅行者们开着租来的汽车全堵在高速公路上的时刻，绝对罕见。
However, with the growing traffic demand, the freeway traffic accidents frequently occur, which seriously affect the traffic capacity and operating efficiency.
然而，随着交通需求的不断增长，高速公路交通事件频繁发生，严重影响了高速公路的通行能力和运营效率。
Freeway traffic safety facilities system has vital function on the aspect of ensure freeway safe-running of vehicles, improving highway service level and so on.
高速公路交通安全设施系统在保障高速公路安全行车，提高公路服务水平等方面具有重要作用。
This paper proposes a method for the real time identification and tracking of freeway traffic queues. The method consists of the three algorithms: (1) Average Link Speed Algorithm;
提出的自动判定和实时跟踪高速公路常发性拥挤路段的方法包含3个算法：①路段平均车速算法；
Methods Eight hundred and forty three road traffic accidents (RTA) managed by No. 210 freeway traffic management team from 1995 to 1997 were investigated and analyzed in this study.
方法调查重庆市2 10高等级公路交通管理大队自1995年至1997年间一般事故以上的道路交通事故。
The nonlinear and non-stationary behavior of traffic makes the modern optimal control computational complexity and low accuracy. A fuzzy control method for freeway traffic is proposed.
由于交通的非线性和不稳定特性，模型最优控制计算复杂且精度低，进而提出了一种模糊控制方法。
The variable speed control for freeway traffic is a nonlinear and time variable system, it is difficult to model with a mathematical model. A neural network control method is put forward.
针对高速公路可变速度控制是一个非线性时变系统，难于用数学模型准确建模这一特点，提出了神经网络控制方法。
Abstract: Aiming at the nonlinear and time-varying characteristics of freeway traffic system, a fuzzy self-adaptive PID controller is designed and applied to freeway ramp metering in this paper.
摘要：针对高速公路交通系统的非线性、时变特性，设计了一种模糊自适应控制器，并将其应用于高速公路匝道控制系统。
The study of measuring the customer satisfaction degree for Freeway Traffic Management System (FTMS) has important significance for the socioeconomic impact evaluation of transportation projects.
高速公路交通管理系统用户满意度的测评研究对交通运输项目社会经济影响评价具有重要意义。
A two way traffic model of freeway entrance around city was established.
建立了高速公路绕城出入口的双向交通模型。
Actually, though, drivers don't always keep traffic rules. For example, many drivers ignore freeway speed limits.
然而，事实上，开车的人并没有遵守所有的交通规则，举例来说，很多开车的人根本不理会高速公路上的速限。
"The DARPA routes will have sparse traffic," predicts Dr Whittaker, "so it will still be orders of magnitude easier than what humans deal with on a freeway in Los Angeles or in Manhattan."
惠特克博士预计：“DARPA的路线中的交通量也比较稀少，因此仍然属于那种比人类在洛杉矶或是曼哈顿的高速公路上所要应对的情况更为简单的层次。”
“The DARPA routes will have sparse traffic,” predicts Dr Whittaker, “so it will still be orders of magnitude easier than what humans deal with on a freeway in Los Angeles or in Manhattan.”
惠特克博士预计：“DARPA的路线中的交通量也比较稀少，因此仍然属于那种比人类在洛杉矶或是曼哈顿的高速公路上所要应对的情况更为简单的层次。”
The traffic on the 405 Freeway at rush hour, however, is an indication that you're probably not the first to realize the advantages of doing business in Los Angeles.
交通405高速公路上下班高峰期，然而，迹象表明你可能不是第一个意识到在洛杉矶做生意的优势。
The traffic on the 405 Freeway at rush hour, however, is an indication that you're probably not the first to realize the advantages of doing business in Los Angeles.
交通405高速公路上下班高峰期，然而，迹象表明你可能不是第一个意识到在洛杉矶做生意的优势。
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