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The two-dimensional layout problem is known to be NP-complete, and the current research work is basically in the heuristic way. In this paper, we mainly discuss the methods for solving layout problem about the arti®cial satellite module by virtue of graph theory and group theory. Also, an algorithm of global optimization is presented ®rst time. The method(More)
Our design for AGV system integrates machine assignment, machine layout, transfer station setting and loop arrangement and other issues and become a complex combinatorial design problem in the manufacturing. In previous studies, researches tried to address these issues in several steps, which may separate the coupling relations in these issues. We herein(More)