- Title
- Metaheuristic optimisation algorithms for solving energy-efficient production scheduling problems via machine on/off and speed control mechanisms
- Creator
- Abedi, Mehdi
- Relation
- University of Newcastle Research Higher Degree Thesis
- Resource Type
- thesis
- Date
- 2021
- Description
- Research Doctorate - Doctor of Philosophy (PhD)
- Description
- The manufacturing sector consumes more than one-third of the world’s required energy, and is thus one of the main contributors of greenhouse gas emissions and their related environmental effects. A significant amount of energy can be saved in manufacturing industries by using production scheduling as an approach to enhance efficiency. In this thesis, we propose new problems to address research gaps in the literature on energy-efficient scheduling problems related to the role of machine control mechanisms, including speed control and switching on/off, to reduce energy consumption in energy-intensive industries with either deteriorating or batch-processing machines. These types of machines are commonly used in metal and chemical industries, in which efficiency in the production process saves a considerable amount of energy. Considering energy-related factors in the proposed production scheduling problems imposes new variables and constraints and subsequently increases the complexity of the problem. Therefore, to solve the problems in this thesis, we develop new population-based and individual-based metaheuristic algorithms incorporated with problem-specific heuristics. These algorithms have shown great success to deal with complex problems efficiently in the literature. To pursue our aim, we raise five research questions. We conduct three studies to answer these research questions, while filling some of the gaps in the literature. The three studies are: (i) a hybrid particle swarm optimisation approach for energy-efficient single-machine scheduling with cumulative deterioration and multiple maintenance; (ii) a multi-population, multi-objective memetic algorithm for energy-efficient job-shop scheduling with deteriorating machines; and (iii) an individual-based metaheuristic framework for energy-intensive industries with batch-processing machines. We evaluate the performance of the proposed metaheuristic algorithms and their components in the three studies by using comprehensive experimental analysis and comparing them with the existing algorithms for similar problems in the literature. The results confirm that the proposed metaheuristic algorithms in this thesis outperform their competitors in solving the new energy-efficient scheduling problems. Finally, we indicate some directions for future studies.
- Subject
- energy-efficient; production scheduling; machine control; maintenance; deterioration; hybrid metaheuristics
- Identifier
- http://hdl.handle.net/1959.13/1499072
- Identifier
- uon:54608
- Rights
- Copyright 2021 Mehdi Abedi
- Language
- eng
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