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Optimal scheduling method for a bell-type batch annealing shop and its application

机译：钟罩式批量退火车间的优化调度方法及其应用

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摘要

The production scheduling for a bell-type batch annealing process in heat treatment of steel coils is a typical multi-machine multistage re-entrant problem with complex constraint of resources including energy source. It is very difficult to build its mathematical model due to the large number of constraints in the process. This paper proposes an optimal scheduling method for the bell-type batch annealing process that combines an improved genetic algorithm with discrete event simulation techniques. The optimal scheduling method developed in this paper has been applied to the annealing shop in Shanghai Baosteel Yichang Sheet Co. Ltd, China, for nearly 2 years. The industrial application result shows that the proposed optimal scheduling method improves production efficiency and gains economic benefits.
机译：在钢卷热处理中，钟罩式分批退火工艺的生产计划是一个典型的多机多级折返问题，具有复杂的资源约束，包括能源。由于过程中存在大量约束，因此很难建立其数学模型。本文提出了一种用于钟型批量退火过程的最佳调度方法，该方法将改进的遗传算法与离散事件模拟技术相结合。本文开发的最优调度方法已应用于中国上海宝钢宜昌板材有限公司的退火车间近两年了。工业应用结果表明，所提出的最优调度方法提高了生产效率，取得了经济效益。

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