WSEAS Transactions on Circuits and Systems
Print ISSN: 1109-2734, E-ISSN: 2224-266X
Volume 18, 2019
TOPSIS Approach to Facility Location Selection Problem for Pythagorean Fuzzy Environment
Authors: ,
Abstract: "Pythagorean fuzzy sets (PFS) has much stronger ability than intuitionistic fuzzy set (IFS) to manage the uncertainty in real-world multi-criteria decision-making problems. Current research develops a Pythagorean fuzzy TOPSIS approach for formation and representing of expert’s knowledge on the parameters of facility location planning in extreme environment. In this approach, we propose a score function based comparison method to identify the Pythagorean fuzzy positive ideal solution and the Pythagorean fuzzy negative ideal solution. Based on the constructed fuzzy TOPSIS aggregation a new objective function is formulated. Constructed criterion maximizes service centers’ selection index. This criterion together with second criterion - minimization of number of selected centers creates the multi-objective facility location set covering problem. The approach is illustrated by the simulation example of emergency service facility location planning for a city in Georgia. More exactly, the example looks into the problem of planning fire stations locations to serve emergency situations in specific demand points – critical infrastructure objects."
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Keywords: "Emergency Service Facility Location planning, Pythagorean fizzy sets, fuzzy TOPSIS, critical infrastructure."
Pages: 167-173
WSEAS Transactions on Circuits and Systems, ISSN / E-ISSN: 1109-2734 / 2224-266X, Volume 18, 2019, Art. #26