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Ant Colony Algorithm for Just-in-Time Job Shop Scheduling with Transportation Times and Multirobots

机译:具有运输时间和多机器人的即时作业车间调度的蚁群算法

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摘要

Handling rapidly evolving technology and almost daily changes in demand and customer satisfaction, while maintaining competitiveness in a highly competitive environment, requires good coordination and planning of both production and logistics activities on the shop floor, namely: machines and tools. The goal is to optimize costs and reduce delivery lead times in order to provide the customer just in time; we focus on the job shop scheduling problem (JSSP), which is one of the most complex problems encountered in real shop floor. In this paper, we study a generalized (JSSP) including transportation times and a set of additional constraints on the number of transporter vehicles and their multiple transfer capabilities and also on the limited capacity of input/output of machines. The objective is to minimize in one hand tardiness and earliness penalties on delays and advances compared to the lead-time delivery of finished jobs and on the other hand the number of empty moves of transporter vehicles.
机译:在瞬息万变的环境中保持竞争力的同时,要处理快速发展的技术以及几乎每天的需求和客户满意度变化,需要对车间的生产和物流活动(即机器和工具)进行良好的协调和计划。目的是优化成本并减少交货时间,以便及时为客户提供服务。我们关注的是车间作业调度问题(JSSP),这是实际车间中遇到的最复杂的问题之一。在本文中,我们研究了广义(JSSP),其中包括运输时间以及对运输车辆的数量及其多重转移能力以及机器输入/输出的有限容量的一系列附加约束。目的是一方面将与已完成工作的交货时间相比,延误和提前的拖延和提早处罚降到最低,另一方面将运输车辆的空运数量减少到最低限度。

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