A two-stage scheduling method for hot rolling and its application

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Zhao, Jun, Wang, Wei, Liu, Quanli, Wang, Zhigang and Shi, Peng (2009) A two-stage scheduling method for hot rolling and its application. Control Engineering Practice, 17 (6). pp. 629-641. ISSN 0967-0661

Abstract

Hot rolling scheduling is a difficult problem in the steel processing industry. It involves many objectives and constraints in both technical and practical respects. A two-stage scheduling method is proposed in this paper. Batch planning of staple material is formulated as a VRPTW, which is solved with a modified PGA. Then, batches of the established units are optimized by adjusting rolling sequences using intelligent search algorithms to reach higher hot charge ratios. This method has been applied to a hot strip mill belonging to Baosteel in China. Our results demonstrate that the proposed technique can improve production efficiency and offer significant economic benefits.

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Item type	Article
URI	https://vuir.vu.edu.au/id/eprint/4739
DOI	10.1016/j.conengprac.2008.10.014
Official URL	http://dx.doi.org/10.1016/j.conengprac.2008.10.014
Subjects	Historical > SEO Classification > 970109 Expanding Knowledge in Engineering Historical > Faculty/School/Research Centre/Department > Institute for Logistics and Supply Chain Management (ILSCM) Historical > FOR Classification > 0199 Other Mathematical Sciences Information Systems
Keywords	ResPubID19347, hot rolling production scheduling, vehicle routing problem with time windows, heuristics, intelligent search algorithms
Citations in Scopus	47 - View on Scopus
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