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Modelling imperfect inspection over a finite horizon

Berrade, MD, Cavalcante, CAV and Scarf, PA 2013, 'Modelling imperfect inspection over a finite horizon' , Reliability Engineering & System Safety, 111 , pp. 18-29.

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Abstract

This paper models imperfect inspection policies for a system with a finite operational time requirement. Two types of maintenance policy are considered: that in which an alarm (a positive inspection) is followed by a check of the validity of the alarm at additional cost, and if the system is good it continues in service and if failed it is retired; and that in which a positive inspection leads to retirement of the system regardless of the true system state. False negative inspections may also occur. The cost implications and applicability of these policies are different, but the mathematical analyses of the models are related. We also allow aperiodic inspection. The models we describe are general and allow one to explore maintenance planning options for systems that are close to retirement.

Item Type: Article
Uncontrolled Keywords: Maintenance, False alarm, False negative, Protection system, Quality, Reliability
Themes: Energy
Schools: Colleges and Schools > College of Business & Law > Salford Business School > Operations and Global Logistics Management
Journal or Publication Title: Reliability Engineering & System Safety
Publisher: Elsevier
Refereed: Yes
ISSN: 09518320
Funders: Spanish Ministry of Economy and Competitiveness
Depositing User: Dr Philip Scarf
Date Deposited: 05 Dec 2012 14:54
Last Modified: 04 Feb 2014 14:10
URI: http://usir.salford.ac.uk/id/eprint/27333

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