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This paper describes the developed genetic, ant colony and bee algorithms for solving the following printed circuit board (PCB) design multi-criteria optimization problems: PCB elements packaging within modules, irregularly shaped components placement on PCB, and multilayer PCB routing. The results of the simulation experiments confirm that the bionic algorithms have the better convergence and better...
This work proposes an algorithm based on Computational Transgenetic (CT) metaphor to deal with the bi-objective traveling purchaser problem (2TPP). The 2TPP consists in determining a route through a subset of markets to collect a set of products, minimizing the travel distance and the purchasing cost simultaneously. This problem contains a finite set of solutions and belongs to the field of the bi-objective...
Traffic engineering has become an important issue in Internet operation due to the fast growing of the Internet traffic and the stringent requirements of quality-of-service over the limited available resources. This problem is a multicriteria optimization problem in nature and our goal in this paper is to explore the application of NSGA-II, an evolutionary algorithm for multiobjective optimization,...
This paper considers a VRP with soft time windows and fuzzy demand (VRPTWFD). The objective is to minimize both the total distance covered by all vehicles as well as the sum of lateness at the customerpsilas due to the violation of time windows. This VRPTWFD is formulated as a two stages recourse model in the context of stochastic programming. The goal is then to minimize the expected cost, which...
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