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System development for establishing shipyard mid-term production plans using backward process-centric simulation

  • Ju, Suheon (Department of Naval Architecture and Ocean Engineering, Seoul National University) ;
  • Sung, Saenal (Hyundai Heavy Industry Co.) ;
  • Shen, Huiqiang (Department of Naval Architecture and Ocean Engineering, Seoul National University) ;
  • Jeong, Yong-Kuk (Department of Sustainable Production Development, KTH Royal Institute of Technology) ;
  • Shin, Jong Gye (Department of Naval Architecture and Ocean Engineering, Seoul National University)
  • Received : 2019.02.15
  • Accepted : 2019.05.24
  • Published : 2020.12.31

Abstract

In this paper, we propose a simulation method based on backward simulation and process-oriented simulation to take into account the characteristics of shipbuilding production, which is an order-based industry with a job shop production environment. The shipyard production planning process was investigated to analyze the detailed process, variables and constraints of mid-term production planning. Backward and process-centric simulation methods were applied to the mid-term production planning process and an improved planning process, which considers the shipbuilding characteristics, was proposed. Based on the problem defined by applying backward process-centric simulation, a system which can conduct Discrete Event Simulation (DES) was developed. The developed mid-term planning system can be linked with the existing shipyard Advanced Planning System (APS). Verification of the system was performed with the actual shipyard mid-term production data for the four ships corresponding to a one-year period.

Keywords

Acknowledgement

The national project "Development of the Simulation-Based Production Management System for Middle-Sized Shipbuilding Companies" (no. 10050495), which is supported by the industry core technology development business of the Ministry of Trade, Industry and Energy (Rep. of Korea), supported this research. The national project “Development of Smart Factory with Artificial Intelligent Forming Machine” (no. 10077588), which is supported by the industry core technology development business of the Ministry of Trade, Industry and Energy (Rep. of Korea), supported this research. This research was also a product of the “Development of Production Strategy for Optimizing Cost of Marine Ships and Execution Simulation Technology” (no. S1106-16-1020) of the ICT Convergence Industry 4.0S (Naval Architecture & Ocean Engineering) Technology Development Projects supported by the Ministry of Science, ICT and Future Planning (Rep. of Korea).

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