Hierarchical RUL Prediction for Turbofan Engines Based on Health Stage Classification and Change Point-Guided Data Augmentation
Yazarlar (1)
Dr. Öğr. Üyesi Kıymet ENSARİOĞLU Yalova Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı IEEE Access (Q2)
Dergi ISSN 2169-3536 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Makale Dili İngilizce Basım Tarihi 01-2025
Kabul Tarihi Yayınlanma Tarihi 01-01-2025
Cilt / Sayı / Sayfa 13 / 1 / 134241–134260 DOI 10.1109/ACCESS.2025.3593206
Makale Linki https://doi.org/10.1109/ACCESS.2025.3593206
UAK Araştırma Alanları
Yapay Zeka
Özet
In prognostics, it is essential to accurately predict the Remaining Useful Life (RUL) of complex systems like turbofan engines. Most studies adopt data-driven methods and rely on piecewise linear (PwL) labeling, where a fixed initial RUL is assigned to all engines. To better reflect real-world degradation, this assumption is refined using change point detection to assign engine-specific initial RUL values, offering a more realistic problem formulation. In line with PwL-based labeling approaches, where mechanical systems shift from a normal to a degradation phase at a specific change point, distinct RUL prediction models are developed for each health stage. A classification model is proposed using a novel training methodology to identify the current health stage of an engine. This method segments the dataset into pre- and post-change intervals and applies data augmentation both to simulate the truncated nature of …
Anahtar Kelimeler
Change point detection | data augmentation | deep learning | explainable artificial intelligence | health stage classification | prognostics and health management | remaining useful life | turbofan engines