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首页> 外文期刊>International Journal of Production Research >Integrated process planning and scheduling/rescheduling—an agent-based approach
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Integrated process planning and scheduling/rescheduling—an agent-based approach

机译：集成的流程计划和计划/重新计划-基于代理的方法

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摘要

This paper presents a hybrid-based multi-agent system (MAS) for integrating process planning with scheduling/rescheduling in job shops or similar kinds of flexible manufacturing environments. The approach is called Online Hybrid Agent-based Negotiation (oHAN). It employs the affected operations rescheduling approach to reschedule the operations affected directly or indirectly by the disruptions. The proposed MAS architecture comprises local agents, which are the part and machine agents, and a supervisor agent. The local agents detect the production disturbances and reschedule the affected operations via decentralized negotiations. A comprehensive set of process plan flexibilities including flexible routings and alternative machines is considered during rescheduling. The supervisor agent coordinates and monitors the rescheduling process in order to ensure the observance of a global rescheduling objective. An online hybrid contract-net negotiation protocol (oHCNP) has been established to control the interactions and communications among agents. Two types of disturbances, machine breakdown and new part arrival, are investigated in this paper. Extensive experiments have been conducted and the results show that the proposed approach is effective in solving a large-scale rescheduling problem in a reasonable time. With the introduction of the supervisory control into the decentralized negotiations, the hybrid approach is able to provide solutions with a better global performance.
机译：本文提出了一种基于混合的多代理系统（MAS），用于在车间或类似类型的灵活制造环境中将过程计划与计划/重新计划相集成。该方法称为基于在线混合代理的协商（oHAN）。它采用受影响的操作重新计划方法来重新计划直接或间接受中断影响的操作。提出的MAS体系结构包括本地代理（主管是零件代理和机器代理）以及主管代理。当地代理商会发现生产干扰，并通过分散的谈判重新安排受影响的作业。在重新计划期间，将考虑一套全面的过程计划灵活性，包括灵活的工艺路线和替代机器。主管代理协调并监视重新计划过程，以确保遵守全局重新计划目标。建立了在线混合合同网络协商协议（oHCNP），以控制代理之间的交互和通信。本文研究了两种类型的干扰，即机器故障和新零件到达。进行了广泛的实验，结果表明，该方法在合理的时间内有效地解决了大规模的调度问题。通过将监督控制引入分散式谈判中，混合方法可以为解决方案提供更好的全球绩效。

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