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An Adjustment Algorithm of the GA Representation for Injection Mold Manufacturing Optimized Scheduling with Operation Constraint

机译：具有操作约束的模具制造优化调度GA表示的调整算法

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摘要

The crux of injection mold production is scheduling, which should be made before the mold manufacturing. Generally, a mold part has some operations subject to certain sequence constraints. Furthermore, some operations have to satisfy process combination constraints with one or more other operations. The expression method of operation constraints is studied. If genetic algorithm is employed to solve scheduling problems in injection mold manufacturing, invalid chromosome representation during the computing period of population initialization and the crossover, mutation will generated unavoidably. An adjustment algorithm is proposed to ensure the validity of chromosome representation. Any chromosome representation based on operation or workpiece could be adjusted to a valid operation sequence by this algorithm. The feasibility of the algorithm is validated by computing cases.
机译：注塑模具生产的关键是计划，这应该在模具制造之前进行。通常，模具零件的某些操作受某些顺序限制。此外，一些操作必须满足一个或多个其他操作的过程组合约束。研究了操作约束的表达方法。如果采用遗传算法来解决注塑模具制造中的调度问题，种群初始化和交叉计算期间的无效染色体表示，将不可避免地产生突变。为了保证染色体表示的有效性，提出了一种调整算法。该算法可以将基于操作或工件的任何染色体表示调整为有效的操作序列。通过算例验证了该算法的可行性。

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