This paper addresses the integrated scheduling problem of heterogeneous transportation resources—comprising an overhead crane and automated guided vehicles—in flexible job shops. A reinforcement learning-based multi-objective evolutionary algorithm is proposed to minimize both makespan and total energy consumption. Three hybrid initialization strategies are designed to enhance population quality and diversity. Subsequently, a reinforcement learning mechanism is introduced for adaptive control of genetic operator parameters, and a critical-path-based hybrid neighborhood structure is constructed to simultaneously optimize makespan and energy consumption, thereby guiding efficient exploration of high-quality solutions. Finally, ablation and comparative experiments validate the effectiveness and stability of the proposed algorithm in solving the heterogeneous-transportation-resource flexible job shop scheduling problem.
不同运输设备在结构特性、承载能力和运行方式上存在明显差异,其协同调度显著增加了车间调度模型的复杂性。为满足复杂搬运需求,现代制造系统引入自动引导小车(AGV)、天车等多种类型的运输设备,以实现高效、安全、低碳的工件搬运作业。异构运输资源的并行调度为系统带来更高的运输柔性,但也显著增加了调度模型的复杂性。现有研究多将运输过程简化处理,运输时间被模糊化。同时,大多数研究聚焦于同构运输设备的应用,忽略了不同工件运输设备之间的差异性,因此,有必要开展面向异构运输资源的柔性作业车间集成调度问题(integrated scheduling of flexible job shop problem with heterogeneous transportation resources, IFJSP-HTR)研究,以实现科学合理的生产调度和运输资源配置。
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