A multi-objective teaching−learning-based optimization algorithm to scheduling in turning processes for minimizing makespan and carbon footprint

Industry is responsible for nearly half of the global energy consumption. Recent studies on sustainable manufacturing focused on energy saving to reduce the unit production cost and environmental impacts. Besides energy consumption, certain manufacturing activities in machine shops, such as the use...

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Veröffentlicht in:Journal of cleaner production Jg. 101; S. 337 - 347
Hauptverfasser: Lin, Wenwen, Yu, D.Y., Zhang, Chaoyong, Liu, Xun, Zhang, Sanqiang, Tian, Yuhui, Liu, Shengqiang, Xie, Zhanpeng
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier Ltd 15.08.2015
Schlagworte:
algorithms
Carbon footprint
cutting
energy
energy conservation
environmental impact
Flow-shop scheduling
manufacturing
Processing parameter optimization
production costs
Sustainable manufacturing
Teaching−learning-based optimization
Processing parameter optimization
Sustainable manufacturing
Teaching−learning-based optimization
Flow-shop scheduling
Carbon footprint
ISSN:0959-6526, 1879-1786
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Zusammenfassung:Industry is responsible for nearly half of the global energy consumption. Recent studies on sustainable manufacturing focused on energy saving to reduce the unit production cost and environmental impacts. Besides energy consumption, certain manufacturing activities in machine shops, such as the use of cutting fluids, disposal of worn tools, and material consumption, also cause other environmental impacts. Since all these activities lead to carbon footprint directly or indirectly, carbon footprint can be employed as a new and overall environment criterion in manufacturing. In this study, an integrated model for processing parameter optimization and flow-shop scheduling was developed. Objectives to minimize both makespan and carbon footprint were considered simultaneously, which was solved by a multi-objective teaching−learning-based optimization algorithm. Furthermore, three carbon-footprint-reduction strategies were employed to optimize the scheduling results: (i) postponing strategy, (ii) setup strategy, and (iii) processing parameter preliminary optimization strategy. In the theoretical aspect, the strategies greatly improved the performance of the optimization results through reducing machine idle time and cutting down the search space. From the perspective of practical applications, these strategies greatly help elevate production efficiency and reduce environmental impacts. •An integrated processing parameter optimization and scheduling model was proposed.•Three carbon-footprint reduction strategies were introduced to the model.•These strategies greatly elevated efficiency and reduced environmental impacts.
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ISSN:0959-6526
1879-1786
DOI:10.1016/j.jclepro.2015.03.099