Comparative Study of Spatial - Physical of New Towns around the Metropolis of Tehran Using Fuzzy Logic
Nowadays due to rapid population growth and expansion of cities, the need to create new towns around metropolises including Tehran is necessary. For the establishment of new cities specific goals are considered, out of which the most important of them is overflow of metropolitan population. For this purpose, four new towns (Parand, Pardis, Andishe, Hashtgerd) have been constructed around the city of Tehran. This article tried to deal with a comparative study on essential applications of these towns and with their own proposed projects (matching on both sides). In this regard, the criteria status and physical- spatial standards (residential, commercial, educational, green spaces, transportation, and health-care, administrative and cultural applications that influence on urban planning) are considered in all four new towns. For this purpose, after arranging the land use tables, and extracting the data, minimum and maximum were determined. Then in order to unify data for better reconciliation, the normalization procedure was performed on data so that, the dimensions be between 0 to1. The obtained numbers make it possible to do quantitative comparisons by fuzzy model in MATLAB software. After this stage, numbers, language value, and subordinate membership (good, medium, bad) are considered. In the next step if - then rules of fuzzy parameters was applies to them. Then in inferential stage, the above-mentioned criteria, was compared in the current situation with the proposed comprehensive plan, and also with each other for four cities. The results indicate that the new city “Parand” with obtaining number of medium from the other cities is closer to its proposed plan. . In addition, the new town “Andisheh” has attracted more population and has been successful in this regard, considering the low amount per capita which is good evidence in this respect.
Urban Areas Studies, Volume:2 Issue: 5, 2016
43 - 60  
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