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A predictive maintenance system for hybrid degradation processes

Ming-Yi You (No.36 Research Institute of CETC, Jia Xing, China)

International Journal of Quality & Reliability Management

ISSN: 0265-671X

Article publication date: 7 August 2017

Abstract

Purpose

The purpose of this paper is to propose a predictive maintenance (PdM) system for hybrid degradation processes with continuous degradation and sudden damage to improve maintenance effectiveness.

Design/methodology/approach

The PdM system updates the degradation model using partial condition monitoring information based on degradation type judgment. In addition, an extended multi-step-ahead updating stopping condition is adopted for performance enhancement of the PdM system.

Findings

An extensive numerical investigation compares the performance of the PdM system with the corresponding preventive maintenance (PM) policy. By carefully choosing the updating stopping condition, the PdM policy performs better than the corresponding PM policy.

Research limitations/implications

The proposed PdM system is applicable to single-unit systems. And the continuous degradation process should be well modeled by the stochastic linear degradation model (Gebraeel et al., 2009).

Originality/value

In literature, there are abundant studies on PdM policies for continuous degradation processes. However, research on hybrid degradation processes still focuses on condition-based maintenance policy and a PdM policy for a hybrid degradation process is still unreported. In this paper, a PdM system for hybrid degradation processes with continuous degradation and sudden damage is proposed. The PdM system decides PM schedules by fully utilizing the condition monitoring data of each specific product, and can hopefully improve maintenance effectiveness.

Keywords

Citation

You, M.-Y. (2017), "A predictive maintenance system for hybrid degradation processes", International Journal of Quality & Reliability Management, Vol. 34 No. 7, pp. 1123-1135. https://doi.org/10.1108/IJQRM-08-2016-0141

Publisher

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Emerald Publishing Limited

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