Modeling and control of urban traffic

OData support
Dr. Harmati István
Department of Control Engineering and Information Technology

The increasing urban road traffic is a growing problem, so the development of traffic control systems is important to reduce the formation of traffic jams. In this document I will examine several methods, which try to set an optimal greentime for traffic lamps. I implemented adaptive traffic control systems, which monitors he current traffic. I will introduce the efficiency of the algorithms in a small road network.

I have created a framework in MATLAB for modelling the roads and the traffic.It is able to calculate the size of the queue on links and also the actual outflow.

I implemented three different adaptive traffic signal control methods. Two of them share constant cycle time between the lamps. One of them is a fuzzy control system, the other uses a simple algorithm. The third method is also a fuzzy control system, but the cycle time can vary within certain limits.

I will show the operation of these methods, and compare their efficiency in simulation. The results will be shown in two different graphical forms.


Please sign in to download the files of this thesis.