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A hybrid genetic algorithm for solving a layout problem in the fashion industry

机译:解决时尚行业布局问题的混合遗传算法

摘要

As of this writing, many success stories exist yet of powerful genetic algorithms (GAs) in the field of constraint optimisation. In this paper, a hybrid, intelligent genetic algorithm will be developed for solving a cutting layout problem in the Belgian fashion industry. In an initial section, an existing LP formulation of the cutting problem is briefly summarised and is used in further paragraphs as the core design of our GA. Through an initial attempt of rendering the algorithm as universal as possible, it was conceived a threefold genetic enhancement had to be carried out that reduces the size of the active solution space. The GA is therefore rebuilt using intelligent genetic operators, carrying out a local optimisation and applying a heuristic feasibility operator. Powerful computational results are achieved for a variety of problem cases that outperform any existing LP model yet developed.
机译:在撰写本文时,在约束优化领域,还存在许多成功的成功案例,其中包括强大的遗传算法(GA)。在本文中,将开发一种混合的智能遗传算法来解决比利时时装行业中的剪裁布局问题。在第一部分中,简要概述了现有的切削问题的LP公式,并将其用作我们GA的核心设计。通过最初尝试使该算法尽可能通用,人们认为必须进行三倍的遗传增强,以减小有效解空间的大小。因此,使用智能遗传算子重建遗传算法,执行局部优化并应用启发式可行性算子。对于各种问题案例,其强大的计算结果均胜过尚未开发的任何现有LP模型。

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