تاریخ امروز:   1403/2/9   (English)
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A multi-objective particle swa...

خانه گروه های پژوهشی جزئیات گروه پژوهشی مقالات ژورنال جزئیات A multi-objective particle swa...
  تاریخ انتشار : 1390/5/7   نام نشریه : International Journal of Production Research   شمارهء صفخه در نشریه : 15
A multi-objective particle swarm optimisation algorithm for unequal sized dynamic facility layout problem with pickup/drop-off locations

چکیده مقاله

This paper deals with a multi-objective unequal sized dynamic facility layout problem  (DFLP) with pickup/ drop-off locations. First, a mathematical model to obtain optimal solutions for small size instances of the problem is developed. Then, a multi-objective particle swarm optimisation (MOPSO) algorithm is implemented to find near optimal solutions. Two new heuristics to prevent overlapping of the departments and to reduce ‘unused gaps’ between the departments are introduced. The performance of  the MOPSO is examined using some sets of available test problems in the literature and various random test problems in small, medium, and large sizes. The percentage of improvements on the initial solutions is calculated for small, medium and large size instances. Also, the generation metric and the space metric for non-dominated
solutions are examined. These experiments show the good performance of the developed MOPSO and sensitivity analysis show the robustness of the obtained solutions.


نویسندگان : فریبرز جولایی، رضا توکلی مقدم، محمد تقی پور

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