Self-adapting WIP parameter setting using deep reinforcement learning

• Type: Article in International Scientific Journal
• Date: 2022

Authors

Silva, MTDE (Author) Other; Américo Azevedo (Author) FEUP

Journal

Title: Computers and Operations Research

Vol. 144

ISSN: 0305-0548

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 0 Citations

Scopus - 0 Citations

Other information

Authenticus ID: P-00W-XGS

DOI: 10.1016/j.cor.2022.105854

Abstract (EN): This study investigates the potential of dynamically adjusting WIP cap levels to maximize the throughput (TH) performance and minimize work in process (WIP), according to real-time system state arising from process variability associated with low volume and high-variety production systems. Using an innovative approach based on state-of-the-art deep reinforcement learning (proximal policy optimization algorithm), we attain WIP reductions of up to 50% and 30%, with practically no losses in throughput, against pure-push systems and the statistical throughput control method (STC), respectively. An exploratory study based on simulation experiments was performed to provide support to our research. The reinforcement learning agent's performance was shown to be robust to variability changes within the production systems.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 14