Indian Journal of Science and Technology
Year: 2011, Volume: 4, Issue: 9, Pages: 1109-1112
Sajjad Najafi1 , Vahid Majazi Dalfard*2 and Ghorbanali Mohammadi3
1 Department of Industrial Engineering, Shahed University, Tehran, Iran.
2 Islamic Azad University, Qazvin Branch, Faculty of Industrial and Mechanical Engineering, Qazvin, Iran*
3Department of Industrial Engineering, Shahid Bahonr University Kerman, Kerman, 7618891167, Iran
[email protected] ; [email protected] ; [email protected] *
In this paper, the locating problem was studied by considering a network of nodes and edges, and also two types of facilities which were defined for locating on nodes. It was assumed that there were three types of consumers, which were classified according to their demands. The first and the second types of them referred to one facility of the first or the second, but the third type of consumers needed the two facilities-the first and the second. These consumers according to their distance to the facilities based on a specified probability, referred to the facilities and solved their problems. Considering the existence of competitors in the market, the aim of this issue is to maximize market share for the new facilities. To solve the problem the hybrid genetic algorithm was used.
Keywords: Consumer, Market, Trip, Network, Hybrid genetic algorithm, Logit function
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