Pull-Based Output Rate Control of a Flexible Job Shop in a Multi-Shop Production Chain

Wei Weng (), Meimei Zheng and Jiuchun Ren
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Wei Weng: Institute of Liberal Arts and Science, Kanazawa University, Kanazawa 920-1192, Japan
Meimei Zheng: School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China
Jiuchun Ren: School of Information Science and Engineering, Fudan University, 220 Handan Rd., Shanghai 200433, China

Mathematics, 2025, vol. 13, issue 21, 1-12

Abstract: This paper addresses the problem where optimizing a single production shop within a production chain may not improve the overall performance of the entire chain. To overcome this and synchronize the efficiency of each shop, methods are proposed to align the output rate of an upstream shop with the limited intake rate of its downstream shop. In the proposed methods, the output rate of the upstream shop is used to guide job scheduling, processing, and resource allocation in the shop. Simulation results from a real-world case study demonstrate that implementing this pull-based system reduces job earliness and tardiness by over 90% in the tested factory, where the upstream shop is a flexible job shop, leading to lower inventory costs, idling costs, and labor costs.

Keywords: production chain optimization; flexible job shop scheduling; due date assignment; realtime scheduling; just-in-time production; resource optimization (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2025
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