查询词典 traffic control

Various ventilation methods are discussed and the necessity to use feed-forwards traffic forecast ventilation control is put forward. Autoregressive Moving Average process is implemented to forecast traffic volume. Fuzzy intelligent control strategy is developed to address the problem that tradition control methods could hardly response to cross-river tunnel contaminant in time.

在分析了不同通风控制系统下，前馈预估控制对隧道通风控制的必要性；提出了运用自回归滑动时间序列模型对隧道交通流预测的方法；反馈控制无法及时响应隧道污染物变化情况的基础上，采用模糊控制设计隧道通风控制策略。

By phase optimization design on arterial road coordinate control system, a new offset model for arterial road coordinate control was established. Authors considered all the factors, such as road average speed, traffic flow dispersion, turning traffic flow from crossway and asymmetry of vehicles arrival distribution in the model which greatly influenced the control effect of arterial road coordinate control scheme.

通过对协调控制系统进行相位优化设计，综合考虑各路段的平均车速、车流的离散性、相交道路的转弯车流以及车辆到达的不均匀性等各种影响干道协调控制方案实施效果的主要因素后，建立了一种新的干道协调控制相位差模型。

This paper presents a virtual electronic technology development, traffic signal design, Traffic lights and the design method; Comprehensive analysis and comparison of the advantages and disadvantages of the design method, The topic of virtual electronic technology used to achieve the main streets and secondary streets crossroads of the traffic signal controller design electronic workbench to the traffic signal control circuit simulation.

本文首先简要介绍虚拟电子技术的发展、交通信号灯设计的作用、以及交通信号灯的各种设计方法；综合分析比较各种设计方法的优缺点，本课题采用虚拟电子技术实现主要街道和次要街道十字路口的交通灯控制器的设计，采用电子工作台EWB对交通信号灯控制电路进行仿真。

Traffic signal control system Settings in each intersection signal lights color control parameters, to signal under the control of the intersection in all directions of traffic flow in the intersection of the stalled minimum delay time, and in a number of intersection signal chain control , To seek optimal within the region, to further improve vehicle operating conditions, making pollutant emissions reduced.

交通信号控制系统通过在每个交叉口设置色灯信号控制参数，使其信号控制下的本交叉口所有方向的交通流在交叉口的停顿延误时间最小，以及在多个交叉口信号联锁控制时，寻求区域内最优，进而达到改善机动车运行工况，使得污染物排放量降低。

It consists of 10 subsystems, 122 alarm received and disposed system, Traffic Signal Control System, Municipal Road monitor system, traffic management system, Communication and transition System, Electronic Police System, traffic accident statistic and analysis software, GIS/GPS System, visual detection system to monitor traffic flow, and traffic peccancy system.

它包含10个子系统，即：122接处警系统、交通信号控制系统、城市道路监控系统、交通业务管理系统、通信与传输系统、电子警察系统、事故黑点排查系统、 GIS/GPS 系统、视频交通流量检测系统、交通违章管理系统。

objective to study high risk population,high incidence time of traffic accident injuries,in order to provide evidence of prevention of traffic accidents.methods review inquiry,epidemiological analysis were performed.results there were 557 cases of traffic accidents before hospital in 2004.the traffic accident was the first in traumatism,the accounting for 51.86%.in 2004,the month of high incidence was july to december.people were on duty and off duty that was the high incidence time of traffic accident injuries in a day.the age of high incidence was 20 to 39 years old.the injury rate of males was higher than that of females.conclusion the measures of prevention and control are to strengthen traffic safety education,improve road safety level and quantity.

目的 了解院前急救交通事故的高危人群、高发时间，为交通事故的预防提供依据。方法采用回顾性调查方法，统计分析资料。结果 2004年1～12月我院急救中心院前急救的外伤病例中交通事故居首位，共557例，占总数的51.86%。在这一年内，以7～12月份为高发期。在一天中，人们上下班时间是交通事故高峰。以20～39岁年龄组为高危人群，在交通事故中受伤及死亡的男性比率高于女性。结论预防和控制交通事故的主要措施是加强群众的交通安全意识，提高驾驶员的安全行车意识和完善道路交通设施，确保良好的交通环境。

To reduce conflicts of branch line traffic flow and trunk road traffic flow in urban traffic networks, a region coordination fuzzy control algorithm is proposed in this paper.It is based on the control theory of classification and coordination of the system engineering.

为了缓解城市区域交通网络中支线交通流与主线交通流之间的矛盾，根据系统工程中大系统分解协调的控制思想，提出了一种区域协调模糊控制算法，重点介绍了协调控制的设计思想及控制结构。

Based on summarying the measures of traffic noise control in the world, in terms of theory and experience of noise control , as well as adapting concrete environmental condition and development tendency china western , this paper puts forward the measures of traffic noise control which reduct the effect of noise pollution and accelerat the management of highway environment protection .

在总结国内外防治交通噪声措施的基础上，根据噪声控制的理论经验，结合西部地区具体环境状况和发展趋势，提出了适合中国西部的交通噪声防治对策，以减少噪声污染和推动西部地区交通环保事业的发展。

Through the SPCE061A programming, this design requests us use the single chip microcomputer, PLC or other components to control the LED digital tube and the double color LED lamp on the traffic light control panel, enable the system to have the following functions: The four intersections of the crossroad all have double color LED (gives out red light and green light, superimposes for yellow light) to demonstrate the condition of every channel on the intersections; Each intersection has two digital tubes to demonstrate current traffic light countdown; use the button or other way to simulate the counting of the traffic flow volume.

设计要求通过SPCE061A的编程，使用单片机、PLC或其他器件来控制交通灯控制板上的LED数码管以及双色LED灯，使系统具有以下功能：十字路口的四个路口都有双色 LED （发红、绿光，叠加为黄色光）显示各路口的各条通道状态；每个路口有两位数码管显示当前红绿灯的倒计时；可利用按键或其它的方式模拟对车流量的计数；有四种工作状态：正常工作状态、紧急工作状态、设置状态和查询状态；红绿灯变换时有语音提示；查询时，可语音播报当前路况。

To this end, the use of MCS-51 series AT89C51 single-chip device designed as the central traffic light control circuit, with a total of cathode seventh time the digital display module, the traffic light display module, transfer module, crystal oscillator circuit, reset circuit and control circuit 8051 in accordance with the actual traffic flow through the port P3 chip set red, green and double-time to kindle a digital countdown display,The turn of the three colors of lights and emergency lighting in case of interruption of processing.

为此，采用MCS-51系列单片机AT89C51为中心器件来设计交通灯控制电路，配以七段共阴极数码管显示时间的显示模块，交通灯显示模块，调时模块，晶振电路，复位电路以及控制电路，实现根据实际车流量通过8051芯片的P3口设置红、绿灯燃亮时间以及双位数码管显示倒计时，三种颜色灯交替点亮以及紧急情况下的中断处理功能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。