期刊
JOURNAL OF CLEANER PRODUCTION
卷 209, 期 -, 页码 146-168出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2018.10.193
关键词
Sustainability indicators; Occupational risks; Environmental risks; Flexible job shop; Scheduling
资金
- Colciencias (Colombian Science, Technology, and Innovation Department) [647/2014]
- Spanish Ministry of Education and Competiveness (MINECO/FEDER) [CTQ2016-77968]
Sustainability has become a challenge of relevant importance for organizational management. Companies should not only achieve appropriate levels of economic efficiency, but also of environmental and social efficiency. In this sense, the inclusion of sustainability principles in the scheduling of flexible job shop systems (FJS) has focused on the evaluation of energy consumption and key economic indicators (makespan, total weighted tardiness ...). An industrial case (Medellin, Colombia) from the metal mechanic sector is used to illustrate the simultaneous evaluation of the three sustainability dimensions: economic, environmental and social. The makespan is the indicator associated with the economic performance; CO2 equivalent emissions, water consumption, metal waste, and chrome waste are the indicators to evaluate the environmental performance; and weight manipulated at workstations, noise, ambient temperature, and vibrations are the indicators associated with the social performance. The measurement, normalization, and weighted sum of the previous indicators, allow for the estimation of the performance of each sustainability dimension. The NSGA-II and NSGA-III methods are used in order to carry out the multi-objective evaluation process, based on the values estimated for the three general objectives (i.e., environmental, social, and economic). Consequently, in the industrial case analyzed, the applied methods identify the corresponding structure of the Pareto optimal fronts. The post-optimal analysis of the solutions shows that the solutions can be directly associated with market demand tendencies, and their implementation can be detected in advance. Solutions that balance economic, environmental, and social efficiency, could be potentially selected according to the market trend, reaching a win-win scenario for all actors involved. (C) 2018 Elsevier Ltd. All rights reserved.
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