نتایج جستجو برای: traffic light

تعداد نتایج: 491767  

2015
Manoj Kumar Bharathi Kannan

Traffic is increasing day by day because of the increasing in vehicle usage especially in urban areas. Congestion in traffic also increases with the increase of vehicle numbers. To regulate the flow of vehicles we are presently using traffic light controllers which has three signals . With the help of these signals we can regulate the vehicle's direction. Most of the controllers has some fixed ...

2014
Azhar Ismail Muhammad Latif Mian Awais

Traffic congestion in urban cities is an increasing problem. Not only does it lead to an increase in pollution, but the time spent waiting in traffic queues wastes valuable time in addition to causing frustration. A system that can control and manage traffic efficiently is one way that this issue can be reduced. A specific road traffic intersection in South Manchester, UK, was selected for inve...

Nowadays, the use of intelligent control systems to reduce human error is one of the most popularresearch fields. Design and implementation of such controllers requires to actual knowledge of theenvironment conditions. Traffic lights as one of the inputs of intelligent control systems are significant.usually the traffic lights have the various physical structure. also, generally in image proces...

2012
SHANJUN LI

The increasing share of light trucks in the USA has been characterized as an ‘arms race’ where individual purchases of light trucks for better self-protection nevertheless worsen traffic safety for society. This paper investigates the interrelation between traffic safety and vehicle choice by quantifying the effects of the arms race on vehicle demand, producer performance, and traffic safety. T...

2014
Javed Alam M. K. Pandey

Vehicular traffic is the major problem which every country faces because of the increase in number of vehicles throughout the world, especially in large urban areas. In a conventional traffic light controller, the traffic lights change at fixed time. It does not provide an optimal solution. Many traffic light controllers implemented in current practice, are based on the 'time-of-the-day' scheme...

1997
G. COHEN

We present a hierarchical way to design the light control of the traffic of a town. We first describe a model of traffic light synchronization based on Petri net modelling and max-plus algebra. Based on this modelling we decompose the problem in three parts : -computation of the cycle length of each traffic light, -computation of the starting time of each traffic light cycle, -computation of th...

2003
Ying Li Shoufeng Ma Wu Li Huanchen Wang

Computer traffic simulation is important for making new traffic control and traffic guidance strategies. Microscopic traffic simulators can model traffic flow in a realistic manner. In this paper, a framework of a microscopic urban traffic simulator based on Multi-Agent System is introduced. The traffic light control agent and the vehicledriver agent, which are the most important agents, are de...

Journal: :international journal of environmental research 0

noise pollution can be considered as the most important problem of urban environmental management in mega metropolises and urban transportation is the main source of the mentioned problem. this study aims to investigate the amount of traffic noise dose received by traffic policemen in tehran; district 1 municipality. the investigation was conducted during three consecutive months in 2007 in 282...

2017
Teri E. Emrich Ying Qi Wendy Y. Lou Mary R. L’Abbe

Traffic-light labelling has been proposed as a public health intervention to improve the dietary intakes of consumers. OBJECTIVES to model the potential impact of avoiding foods with red traffic lights on the label on the energy, total fat, saturated fat, sodium, and sugars intakes of Canadian adults. METHODS Canadian adults aged 19 and older (n = 19,915) who responded to the Canadian Commu...

2011
Bagio Budiardjo Kalamullah Ramli

The tracking of vehicles using RFID was developed consider three major problems, i.e. traffic signal timing, congestion on road and theft of vehicles. This paper describes an algorithm for predicting the speed of traffic light violators. The novel algorithm is implemented in the form of a simulation program. The traffic light system is equipped RFID reader as the main tool for identifying the v...

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