Simulated annealing based simulation method for minimizing electricity cost considering production line scheduling including injection molding machines

Masaki Ishihara, Hironori Hibino, Taku Harada

Research output: Contribution to journalArticlepeer-review

Abstract

While the price of electricity in Japan is increasing continuously, the plastic industry consumes considerable electric power for injection molding. The cost of electricity must be reduced to maintain product prices. Some strategies have been proposed to reduce the cost of electricity at the production stage, one of which is to reduce the contract electric energy amount with an electric company while increasing the facility operation rate and reducing excess power. This study proposes a method to minimize the electricity cost of injection molding lines by using the simulation for injection molding lines with an approximation solution. The simulated annealing method was used as the approximation solution. Based on the proposed method, numerous case studies were performed, and the results were analyzed.

Original languageEnglish
Article numberA55
JournalJournal of Advanced Mechanical Design, Systems and Manufacturing
Volume14
Issue number4
DOIs
Publication statusPublished - 2020

Keywords

  • Electricity cost optimization
  • Injection molding machine
  • Production lines scheduling
  • Simulated annealing
  • Simulation method

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