An applicable predictive maintenance framework for the absence of run-to-failure data

Donghwan Kim, Seungchul Lee, Daeyoung Kim

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


As technology advances, the equipment becomes more complicated, and the importance of the Prognostics and Health Management (PHM) to monitor the condition of the equipment has risen. In recent years, various methodologies have emerged. With the development of computing technology, methodologies using machine learning and deep learning are gaining attention, in particular. As these algorithms become more advanced, the performance of detecting anomalies and predicting failures has improved dramatically. However, most of the studies are cases that depend on simulation data or assumed abnormal conditions. In addition, regardless of the existence of run-to-failure data, the methodologies are difficult to apply to the industrial site directly. To solve this problem, we propose a Predictive Maintenance (PdM) framework based on unsupervised learning in this paper, which can be applied directly in the industrial field regardless of run-to-failure data. The proposed framework consists of data acquisition, preprocessing data, constructing a Health Index, and predicting the remaining useful life. We propose a framework that can create and monitor models even when there are no accumulated run-to-failure data. The proposed framework was conducted in two different real-life cases, and the usefulness and applicability of the proposed methodology were verified.

Original languageEnglish
Article number5180
JournalApplied Sciences (Switzerland)
Issue number11
Publication statusPublished - 2021 Jun 1


  • Autoencoder
  • Health index
  • Predictive Maintenance (PdM) framework
  • Prognostics and Health Management (PHM)
  • Remaining useful life (RUL)

ASJC Scopus subject areas

  • Materials Science(all)
  • Instrumentation
  • Engineering(all)
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes


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