A Distributional Perspective on Remaining Useful Life Prediction with Deep Learning and Quantile Regression

Research output: Contribution to journalArticlepeer-review

Abstract

With the rapid development of information and sensor technology, the data-driven remaining useful lifetime (RUL) prediction methods have been acquired a successful development. Nowadays, the data-driven RUL methods are focused on estimating the RUL value. However, it is more important to quantify uncertainty associated with the RUL value. This is because increasingly complex industrial systems would arise various sources of uncertainty. This paper proposes a novel distributional RUL prediction method, which aims at quantifying the RUL uncertainty by identifying the confidence interval with the cumulative distribution function (CDF). The proposed learning method has been built based on quantile regression and implemented from a distributional perspective under the deep neural network framework. The results of the run-to-failure degradation experiments of rolling bearing demonstrate the effectiveness and good performance of the proposed method compared to other state-of-the-art methods. The visualization results obtained by t-SNE technology have been investigated to further verify the effectiveness and generalization ability of the proposed method.
Original languageEnglish
Number of pages13
JournalIEEE Open Journal of Instrumentation and Measurement
DOIs
Publication statusPublished - 12 Sep 2022

Bibliographical note

This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/

Funding Information:
European Commission Horizon 2020 research and innovation programme (Grant Number: 869884)

Keywords

  • Distributional RUL prediction
  • Deep learning
  • Quantile Regression
  • Uncertainty
  • Rolling Bearing

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