대한안전경영과학회지 (Journal of the Korea Safety Management & Science)

  • 제25권4호
  • /
  • Pages.131-140
  • /
  • 2023
  • /
  • 1229-6783(pISSN)
  • /
  • 2288-1484(eISSN)
대한안전경영과학회 (Korea Safety Management & Science)
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이종 병렬설비에서 총납기지연 최소화를 위한 강화학습 기반 일정계획 알고리즘

Scheduling Algorithm, Based on Reinforcement Learning for Minimizing Total Tardiness in Unrelated Parallel Machines

  • 이태희 (인천대학교 산업경영공학과) ;
  • 김재곤 (인천대학교 산업경영공학과) ;
  • 유우식 (인천대학교 산업경영공학과)
  • Tehie Lee (Incheon National University Graduate School, Industrial & Management Engineering) ;
  • Jae-Gon Kim (Incheon National University, Dept. of Industrial & Management Engineering) ;
  • Woo-Sik Yoo (Incheon National University, Dept. of Industrial & Management Engineering)
  • 투고 : 2023.11.17
  • 심사 : 2023.12.18
  • 발행 : 2023.12.30
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초록

This paper proposes an algorithm for the Unrelated Parallel Machine Scheduling Problem(UPMSP) without setup times, aiming to minimize total tardiness. As an NP-hard problem, the UPMSP is hard to get an optimal solution. Consequently, practical scenarios are solved by relying on operator's experiences or simple heuristic approaches. The proposed algorithm has adapted two methods: a policy network method, based on Transformer to compute the correlation between individual jobs and machines, and another method to train the network with a reinforcement learning algorithm based on the REINFORCE with Baseline algorithm. The proposed algorithm was evaluated on randomly generated problems and the results were compared with those obtained using CPLEX, as well as three scheduling algorithms. This paper confirms that the proposed algorithm outperforms the comparison algorithms, as evidenced by the test results.

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과제정보

본 연구는 과학기술정보통신부 및 정보통신기획평가원의 학석사연계ICT핵심인재양성사업의 연구결과로 수행되었음(IITP-2023-RS-2023-00260175)

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