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Real-time Modeling and control objective Analysis of Motorway Emissions

Procedia - Social and Behavioral Sciences 2012年 54卷 1027-1036页

作者： Alfréd Csikós István Varga Department of Control and Transport Automation Budapest University of Technology and Economics. Bertalan L. u. 2. H-1111 Budapest Hungary Systems and Control Laboratory Computer and Automation Research Institute Hungarian Academy of Sciences. Kende u. 13-17 H-1111 Budapest Hungary

In this paper a real-time macroscopic modeling framework of road traffic emissions is suggested based on an average-speed emission model. A model function is created to describe the spatiotemporal distribution of motorway traffic emissions using loop detector data only which is suitable for emission dispersion and immission modeling. The proposed model is built using macroscopic traffic variables, and derivation is shown both on microscopic and macroscopic levels, in the latter case showing relationship with traffic performance functions as well. The suggested model function is validated in a VISSIM/MatLab simulation environment, applying COPERT IV average speed model in the proposed framework, compared to a microscopic emission model (Versit+ Micro is used via the VISSIM add-on called EnViVer). Based on the suggested model, control objectives are stated for a multi-criteria model-based control. During the cost function analysis, pollutants are distinguished in terms of the areal extension of their effects and a diverse modeling approach is carried out for pollutants causing global and local effects. The cost function is analyzed for steady-state flow conditions.

关键词： Traffic emission Macroscopic emission modeling Freeway traffic control objective function Model validation

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