نتایج جستجو برای: traffic light

تعداد نتایج: 491767  

2017
Elizabeth K. Dunford Jennifer M. Poti Dagan Xavier Jacqui L. Webster Lindsey Smith Taillie

The implementation of a standardized front-of-pack-labelling (FoPL) scheme would likely be a useful tool for many consumers trying to improve the healthfulness of their diets. Our objective was to examine what the traffic light labelling scheme would look like if implemented in the US. Data were extracted from Label Insight's Open Access branded food database in 2017. Nutrient levels and the pr...

2006
Fabian Rochner Holger Prothmann Jürgen Branke Christian Müller-Schloer Hartmut Schmeck

Efficient control of traffic networks is a complex but important task. A successful network management vitally depends on the abilities of the traffic light controllers to adapt to changing traffic situations. In this paper a control architecture for traffic nodes is presented that is inspired by the principles of Organic Computing. It allows a node to quickly adapt to changing traffic situatio...

2013
Shri Gopal Modani

Present Traffic Light Controller (TLC) is based on microcontroller and microprocessor. These TLC have limitations because it uses the pre-defined hardware, which is functioning according to the program that does not have the flexibility of modification on real time basis. Due to the fixed time intervals of green, orange and red signals the waiting time is more and car uses more fuel. FPGA has m...

Journal: :CoRR 2015
Eric Lienert

Traffic is a problem in many urban areas worldwide. Traffic flow is dictated by certain devices such as traffic lights. The traffic lights signal when each lane is able to pass through the intersection. Often, static schedules interfere with ideal traffic flow. The purpose of this project was to find a way to make intersections controlled with traffic lights more efficient. This goal was accomp...

2008
Khalid A. S. Al-Khateeb Wajdi F. Al-Khateeb

Problem statement: Traffic congestion and tidal flow management were recognized as major problems in modern urban areas, which have caused much frustration and loss of man hours. Approach: In order to solve the problem an intelligent RFID traffic control has been developed. It has circumvented or avoided the problems that usually arise with systems such as those, which use image processing and ...

Journal: :IEEE Trans. Information Theory 1989
Martin I. Reiman Alan Weiss

Ahstruct -We consider the steady-state behavior of open queueing systems with Poisson arrival processes in light traffic, that is, as the arrival rate tends to zero. We provide expressions for the derivatives with respect to the arrival rate of various quantities of interest (such as moments of steady-state sojourn times and queue lengths) evaluated at an arrival rate of zero. These expressions...

2008
Ezio Marchi Ewald Burger

In this short paper we solve in general the problem of synchronization of lights in a street or avenue of having two directions assuming that the all vehicles have a constant speed. The general approach is elementary and the case for practical application is vast. Some relations with other works are presented.

Journal: :CoRR 2017
Shumeet Baluja Michele Covell Rahul Sukthankar

Real-time optimization of traffic flow addresses important practical problems: reducing a driver’s wasted time, improving citywide efficiency, reducing gas emissions and improving air quality. Much of the current research in traffic-light optimization relies on extending the capabilities of traffic lights to either communicate with each other or communicate with vehicles. However, before such c...

2012
Carola T. Murphy Kenneth Nally Fergus Shanahan Silvia Melgar

Inflammatory bowel disease (IBD), encompassing Crohn's disease and ulcerative colitis, is associated with enhanced leukocyte infiltration to the gut, which is directly linked to the clinical aspects of these disorders. Thus, leukocyte trafficking is a major target for IBD therapy. Past and emerging techniques to study leukocyte trafficking both in vitro and in vivo have expanded our knowledge o...

Journal: :Discrete Applied Mathematics 1994
Guy Kortsarz David Peleg

This paper studies the problem of route scheduling under the telephone model of communication networks. Previous work in this model considered mostly the “broadcast” and “gossip” communication primitives. The approach studied here is that of devising simple, distributed universal schedules, that are efficient for wide families of routing instances, rather than attempting to solve individual ins...

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