USING FUZZY LOGIC IN GIS ENVIRONMENT FOR SITE SELECTION OF GAS POWER PLANT

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BEHESHTIFAR SARA; MESGARI MOHAMMAD SAADI; VELDAN ZOJ MOHHAMAD JAVAD; KARIMI MOHAMMAD

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Journal: Civil Engineering Infrastructures Journal Year:2010 | Volume:44 | Issue:4 Page(s): 583-595

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Title

USING FUZZY LOGIC IN GIS ENVIRONMENT FOR SITE SELECTION OF GAS POWER PLANT

Author(s)

BEHESHTIFAR SARA | MESGARI MOHAMMAD SAADI | VELDAN ZOJ MOHHAMAD JAVAD | KARIMI MOHAMMAD | Issue Writer Certificate

Keywords

SELECTION SITEQ2

LOGIC FUZZYQ2

POWER PLANT GASQ2

GISQ3

Abstract

The location of a power plant affects both the expenses and the efficiency of the energy generation and transmission. A GIS can be used to integrate the data related to the predefined criteria in order to select the optimum locations. The goal of this study is to use the spatial analysis capabilities of GIS along with fuzzy logic theory to the site selection of gas power plants. First, the effecting spatial factors are identified and their relative importance in the site selection of the power plants is defined. Regarding both fuzzy and Boolean models, proper factor maps were generated for the study area, which is located in Fars province, Iran. These two models were used in two different stages of the study. First, the locations with strict limitations for the establishment of the plants were identified and removed using Boolean logic and binary factor maps. Then, for all the remaining permitted areas, the general suitability was calculated using fuzzy logic operators. In the fuzzy model, taking into account the type of interactions between different factors and the types of available data, two different membership functions were considered. These are the multiple linear and the step-wise constant functions. Various inference networks were designed, on the basis of different view-points regarding the combination of factors. Considering these view-points and using fuzzy operators, the data were integrated and the suitable locations were selected and ranked accordingly. Finally, the locations extracted from two inference networks were compared. These two location sets covered 0.18 and 0.35 percent of the study area. Most of the selected areas in both cases were in the highly populated township of Fasa. This can be mainly attributed to high energy demand and consumption of this township and the high weight given to this factor in the modeling. Although, the selected areas in the second case were twice of the first one, yet, some of the areas selected in the first case are not included in the second. Study of the factors in these locations shows that the water discharges in the rocks are very low. In view of the high weight given to the river, and the usage of OR operator between the three water resource factors in the first inference network, the effect of the rivers strongly surpassed the effects of the other water resources. Consequently, these areas were accepted similarly to the areas where both the river accessibility and the water discharge are simultaneously high. These areas were simply not selected according to the second inference network. In this research, it was shown that for any considered arrangement of factors, proper inference networks can be designed that realistically represent the considered combination. Here, two different networks were proposed, studied and compared. Considering different assumptions, the factor maps related to water resources were integrated using fuzzy operators of SUM, OR and GAMMA. The results completely coincided with the concepts and viewpoints used in the design of the inference networks. This proves the high flexibility of fuzzy logic in representing and modeling complex inter-relations between spatial factors in site selection studies.

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APA: Copy

BEHESHTIFAR, SARA, MESGARI, MOHAMMAD SAADI, VELDAN ZOJ, MOHHAMAD JAVAD, & KARIMI, MOHAMMAD. (2010). USING FUZZY LOGIC IN GIS ENVIRONMENT FOR SITE SELECTION OF GAS POWER PLANT. CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING), 44(4), 583-595. SID. https://sid.ir/paper/166657/en

Vancouver: Copy

BEHESHTIFAR SARA, MESGARI MOHAMMAD SAADI, VELDAN ZOJ MOHHAMAD JAVAD, KARIMI MOHAMMAD. USING FUZZY LOGIC IN GIS ENVIRONMENT FOR SITE SELECTION OF GAS POWER PLANT. CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING)[Internet]. 2010;44(4):583-595. Available from: https://sid.ir/paper/166657/en

IEEE: Copy

SARA BEHESHTIFAR, MOHAMMAD SAADI MESGARI, MOHHAMAD JAVAD VELDAN ZOJ, and MOHAMMAD KARIMI, “USING FUZZY LOGIC IN GIS ENVIRONMENT FOR SITE SELECTION OF GAS POWER PLANT,” CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING), vol. 44, no. 4, pp. 583–595, 2010, [Online]. Available: https://sid.ir/paper/166657/en

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