The Development of an Expert System for Diagnosis and Prescription of Traffic-Related Environment in Metropolises

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Traffic-related air pollution has been worsening rapidly in many metropolises of developing countries. The main issue of this research is to develop and implement a set of effective and comprehensive countermeasures as a matter of urgency in those cities where even the experts do not have enough knowledge and edxperiences to examine the complex relationships of causes and results of traffic-related air pollution. To help solve this problem, an expert system is developed in this study using an analogy to the medical health check process whereby a city is regarded as a patient. Experiences of developed countries and some technical knowledge are systematically integrated in the system to give diagnosis and prescriptions. A user-friendly graphical user interface based on the Iinternet is developed for users to easily handle the process required. The spatial data sets for the diagnosis are stored in a GIS-based database and Java programs are applied for the simulation of effectiveness of countermeasures and prescription. This system will help traffic and environmental officers in developing countries understand the comprehensive situation and establish most appropriate countermeasures for their cities.