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Volume 15
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Article

A Method for Constructing a Synthesis Health Index for Metro Vehicle Wheelsets

by
Min Luo
*,
Tianyi Zhong
and
Jinzhen Dai
Vehicle and Transportation Engineering of College of Transportation Engineering, Tongji University, Shanghai 201804, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2025, 15(2), 914; https://doi.org/10.3390/app15020914
Submission received: 13 December 2024 / Revised: 12 January 2025 / Accepted: 13 January 2025 / Published: 17 January 2025
(This article belongs to the Special Issue Sustainable Railway Infrastructures: Health Monitoring, Assessment and Maintenance)
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Abstract

This study focuses on the construction of a synthesis health index for metro vehicle wheelsets through theoretical foundation analysis, procedural steps, and practical examples. By analyzing the theoretical foundation, this study explains the advantages of the synthesis health index compared to traditional health indicators. The procedural steps describe the detailed process from data collection, preprocessing, and feature extraction to health index construction. Additionally, practical examples are used to validate the effectiveness and accuracy of this method in real-world applications. The results indicate that this synthesis health index construction method can accurately assess the real-time health status of in-service wheelsets and also reflect and predict the trends of their health status changes.
Keywords: rail transportation; metro vehicle wheelset health management; data preprocessing; synthesis health index rail transportation; metro vehicle wheelset health management; data preprocessing; synthesis health index

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MDPI and ACS Style

Luo, M.; Zhong, T.; Dai, J. A Method for Constructing a Synthesis Health Index for Metro Vehicle Wheelsets. Appl. Sci. 2025, 15, 914. https://doi.org/10.3390/app15020914

AMA Style

Luo M, Zhong T, Dai J. A Method for Constructing a Synthesis Health Index for Metro Vehicle Wheelsets. Applied Sciences. 2025; 15(2):914. https://doi.org/10.3390/app15020914

Chicago/Turabian Style

Luo, Min, Tianyi Zhong, and Jinzhen Dai. 2025. "A Method for Constructing a Synthesis Health Index for Metro Vehicle Wheelsets" Applied Sciences 15, no. 2: 914. https://doi.org/10.3390/app15020914

APA Style

Luo, M., Zhong, T., & Dai, J. (2025). A Method for Constructing a Synthesis Health Index for Metro Vehicle Wheelsets. Applied Sciences, 15(2), 914. https://doi.org/10.3390/app15020914

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