Flow shop scheduling under Time-Of-Use electricity tariffs using fuzzy multi-objective linear programming approach

Document Type : Research Article

Authors

1 Department of Industrial Engineering, Faculty of Technology and Engineering, East of Guilan, University of Guilan, Rudsar-Vajargah, Iran

2 Department of Chemical Engineering, Faculty of Engineering, University of Guilan, Rasht, Iran

3 Department of Industrial Engineering, Kooshyar higher education institute, Rasht, Iran

4 Department of Engineering Sciences, Faculty of Technology and Engineering, East of Guilan, University of Guilan, Rudsar-Vajargah, Iran

Abstract


Given the reduction of non-renewable energy resources and increase of energy costs during  recent years, developing an efficient scheduling model considering energy consumption is necessary in manufacturing systems. This paper is dedicated to flow shop scheduling problem under Time-Of-Use electricity tariffs. In this regard, a bi-objective mixed-integer programming model is formulated for the problem. Two objectives, namely, the minimization of the total electricity cost and the sum of earliness and tardiness of jobs, are considered simultaneously. The bi-objective model is converted into an equivalent single objective linear programming model using fuzzy multi-objective programming approach. The CPLEX solver in GAMS software is used to solve the proposed model for an instance. The numerical example shows that the proposed model is reasonable and applicable.

Keywords

Journal of Mathematical Modeling
Volume 9, Issue 2
May 2021
Pages 215-227

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