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Open AccessArticle

Condition-Based Maintenance with Reinforcement Learning for Dry Gas Pipeline Subject to Internal Corrosion

1
Department of Electrical and Computer Engineering and the B. John Garrick Institute for the Risk Sciences, University of California, Los Angeles–UCLA, Los Angeles, CA 90095, USA
2
Department of Materials Science and Engineering and the B. John Garrick Institute for the Risk Sciences, University of California, Los Angeles–UCLA, Los Angeles, CA 90095, USA
3
Department of Mechanical Engineering, University of Chile, Santiago 8320000, Chile
*
Author to whom correspondence should be addressed.
These two authors contributed equally.
Sensors 2020, 20(19), 5708; https://doi.org/10.3390/s20195708
Received: 14 August 2020 / Revised: 19 September 2020 / Accepted: 5 October 2020 / Published: 7 October 2020
(This article belongs to the Special Issue The Application of Sensors in Fault Diagnosis and Prognosis)
Gas pipeline systems are one of the largest energy infrastructures in the world and are known to be very efficient and reliable. However, this does not mean they are prone to no risk. Corrosion is a significant problem in gas pipelines that imposes large risks such as ruptures and leakage to the environment and the pipeline system. Therefore, various maintenance actions are performed routinely to ensure the integrity of the pipelines. The costs of the corrosion-related maintenance actions are a significant portion of the pipeline’s operation and maintenance costs, and minimizing this large cost is a highly compelling subject that has been addressed by many studies. In this paper, we investigate the benefits of applying reinforcement learning (RL) techniques to the corrosion-related maintenance management of dry gas pipelines. We first address the rising need for a simulated testbed by proposing a test bench that models corrosion degradation while interacting with the maintenance decision-maker within the RL environment. Second, we propose a condition-based maintenance management approach that leverages a data-driven RL decision-making methodology. An RL maintenance scheduler is applied to the proposed test bench, and the results show that applying the proposed condition-based maintenance management technique can reduce up to 58% of the maintenance costs compared to a periodic maintenance policy while securing pipeline reliability. View Full-Text
Keywords: dry gas pipelines; internal corrosion; condition-based maintenance; reinforcement learning dry gas pipelines; internal corrosion; condition-based maintenance; reinforcement learning
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MDPI and ACS Style

Mahmoodzadeh, Z.; Wu, K.-Y.; Lopez Droguett, E.; Mosleh, A. Condition-Based Maintenance with Reinforcement Learning for Dry Gas Pipeline Subject to Internal Corrosion. Sensors 2020, 20, 5708. https://doi.org/10.3390/s20195708

AMA Style

Mahmoodzadeh Z, Wu K-Y, Lopez Droguett E, Mosleh A. Condition-Based Maintenance with Reinforcement Learning for Dry Gas Pipeline Subject to Internal Corrosion. Sensors. 2020; 20(19):5708. https://doi.org/10.3390/s20195708

Chicago/Turabian Style

Mahmoodzadeh, Zahra; Wu, Keo-Yuan; Lopez Droguett, Enrique; Mosleh, Ali. 2020. "Condition-Based Maintenance with Reinforcement Learning for Dry Gas Pipeline Subject to Internal Corrosion" Sensors 20, no. 19: 5708. https://doi.org/10.3390/s20195708

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