Author
Listed:
- Kunkun Peng
(Wuhan University of Science and Technology
Wuhan University of Science and Technology)
- Xudong Deng
(Wuhan University of Science and Technology
Wuhan University of Science and Technology)
- Chunjiang Zhang
(Huazhong University of Science and Technology)
- Weiming Shen
(Huazhong University of Science and Technology)
- Yanan Song
(Zhejiang University)
- Jianhui Mou
(Yantai University)
- Ao Liu
(Wuhan University of Science and Technology
Wuhan University of Science and Technology)
Abstract
Steelmaking-refining-Continuous Casting (SCC) is a bottleneck in the iron and steel production operation. In order to enhance production efficiency, SCC scheduling is employed to find an optimal schedule. Unfortunately, dynamic events such as charge start-time delay may occur in a real-world SCC process, which will invalidate the optimal SCC schedule, i.e., making the schedule not optimal or inexecutable. To cope with such a situation, SCC rescheduling is significant for generating a new optimal schedule. This paper proposes a mathematical model of the SCC rescheduling problem considering charge start-time delay, and further presents an Elite solutions and Tabu assisted Variable Neighbourhood Descent (ETVND) method to tackle the problem. The main framework of the ETVND method is Variable Neighbourhood Descent (VND). In the ETVND method, three Tabu based neighbourhood structures are elaborately designed. Moreover, three distinguished features are incorporated, i.e., an elite solutions based exploration strategy, two-layer local search based on the Fruit fly Optimization Algorithm, and multi-type perturbation. The first two features are devised to enhance the intensification abilities while the third is devised to improve the diversification abilities. Experimental results have demonstrated the effectiveness of the ETVND method by comparing with several algorithms in the literature. Further comparison experiments have validated the efficiency of the Tabu based neighbourhood structures and specially devised strategies.
Suggested Citation
Kunkun Peng & Xudong Deng & Chunjiang Zhang & Weiming Shen & Yanan Song & Jianhui Mou & Ao Liu, 2023.
"Elite solutions and Tabu assisted variable neighbourhood descent for rescheduling problems in the steelmaking-refining-continuous casting process,"
Flexible Services and Manufacturing Journal, Springer, vol. 35(4), pages 1139-1174, December.
Handle:
RePEc:spr:flsman:v:35:y:2023:i:4:d:10.1007_s10696-022-09465-8
DOI: 10.1007/s10696-022-09465-8
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