MODELING AND CONTROL OF URBAN TRAFFIC, IN THE MACROSCOPIC REPRESENTATION

• Main Authors: Catalin DIMON, Dumitru POPESCU, Geneviève DAUPHIN-TANGUY
• Format: Article
• Language: English
• Published: Editura Academiei Oamenilor de Știință din România 2013-11-01
• Series: Annals: Series on engineering sciences (Academy of Romanian Scientists)
• Subjects: road traffic; macroscopic model; modeling and simulation; numerical control
• Online Access: http://aos.ro/wp-content/anale/TVol5Nr2Art.4.pdf

A methodology for modeling road traffic is proposed, organized in two directions: a decentralized approach, in which the traffic structure is decomposed into basic elements, modeled using the theory of fluid mechanics, and a centralized approach, where the road network is seen as compartmental network, modeled on the theory of positive systems. In the first case the control is ensured by numerical algorithms of RST type, calculated to provide the desired performance for the closed loop system. In the second case, the controller is itself a compartmental network that has the role of weighting inflows to avoid network congestion.