Preventive maintenance of a single machine system working under piecewise constant operating condition

Jiawen Hu, Zuhua Jiang, Haitao Liao

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Manufacturing machines usually work under piecewise constant operating condition (PCOC) and are subject to imperfect preventive maintenance (PM). In this paper, an extended imperfect maintenance (IM) model for a machine working under PCOC is developed by combining an age-based hybrid IM model and an accelerated failure time model (AFTM). Maximum likelihood method is provided for estimating the model parameters. A dynamic cost-effective PM policy based on a short-term production plan is proposed for a common situation where the production plan is updated dynamically and only the current operating condition (OC) is confirmed. A numerical example is conducted to demonstrate the use of the proposed policy in practice.

Original languageEnglish (US)
Pages (from-to)105-115
Number of pages11
JournalReliability Engineering and System Safety
Volume168
DOIs
StatePublished - Dec 2017

Keywords

  • Accelerated failure time model
  • Imperfect maintenance
  • Operating condition
  • Preventive maintenance policy

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Industrial and Manufacturing Engineering

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