Abstract
Fuzzy logic has been a popular tool for addressing advanced control tasks lately. This is true even in transportation, where it has been used for tasks such as ramp metering, control of traffic lights, as well as, for example, within highway management. Before application on a real street, however, such a control algorithm has to be evaluated and tested. In recent years, a so called microsimulation approach has been accepted as a useful tool for such tasks. In this paper, we demonstrate that PTV VISSIM can also be used for the evaluation of advanced control algorithms, even without the use of API. In this way, even without a knowledge of classic programming languages such as C ++ or Java, any fuzzy control algorithm can be implemented directly in the microsimulation tool and its effect on traffic directly evaluated. The ability to do this can be an important decision criterion when selecting a microsimulation tool, as was the case for example in the early stages in project SIRID (TA CR ALFA 2012 Technology Agency of the Czech Republic). The presented approach within this paper is demonstrated on a real world problem of a single intersection control.
Highlights
1.1 Microsimulation models to evaluate traffic control strategiesMicrosimulation models can measure different parameters of interest on the basis of individual vehicles
The model of a given 4-way intersection with traffic lights was calibrated according to the characteristics: volume, traffic flow composition, vehicle direction, speed of vehicles and time gaps
The data was collected in six different measurements for two different traffic control system: a fixed time control (FT) and a control with fuzzy inferential system (FIS)
Summary
1.1 Microsimulation models to evaluate traffic control strategiesMicrosimulation models can measure different parameters of interest (such as delay time, travel time, average speed and others) on the basis of individual vehicles. 1.1 Microsimulation models to evaluate traffic control strategies. For traffic control system design and development, the VAP language (Vehicle Actuated Programming) was used. Vehicle Actuated Programming VAP (PTV, 2012) is a simple programming language embedded as an add-on module to VISSIM. With the VAP you can create a phase or stage based and traffic actuated signal controls. In order to make programming easier, PTV implemented a graphical user interface to design and edit VAP– based control directly and in a user friendly way. This interface is called Visualisation VAP (VisVAP) (PTV, 2006) and can be used, for example, for intersection control design, speed harmonisation, ramp metering and others. The results of a case study demonstrating its results are included
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