mirage

Imperfect predictive maintenance model for multi-state systems with multiple failure modes and element failure dependency

DSpace/Manakin Repository

 

Search DR-NTU


Advanced Search Subject Search

Browse

My Account

Imperfect predictive maintenance model for multi-state systems with multiple failure modes and element failure dependency

Show full item record

Title: Imperfect predictive maintenance model for multi-state systems with multiple failure modes and element failure dependency
Author: Tan, Cher Ming; Raghavan, Nagarajan
Copyright year: 2010
Abstract: The objective of this study is to develop a practical statistical model for imperfect predictive maintenance based scheduling of multi-state systems (MSS) with reliability dependent elements and multiple failure modes. The system is modeled using a Markov state diagram and reliability analysis is performed using the Universal Generating Function (UGF) technique. The model is simulated for a case study of a power generation transmission system. The various factors influencing the predictive maintenance (PdM) policy such as maintenance quality and user threshold demand are examined and the impact of the variation of these factors on system performance is quantitatively studied. The model is found to be useful in determining downtime schedules and estimating times to replacement of an MSS under the PdM policy. The maintenance schedules are devised based on a "system-perspective" where failure times are estimated by analyzing the overall performance distribution of the system. Simulation results of the model reveal that a slight improvement in the "maintenance quality" can postpone the system replacement time by manifold. The consistency in the quality of maintenance work with minimal variance is also identified as a very important factor that enhances the system's future operational and downtime event predictability. Moreover, the studies reveal that in order to reduce the frequency of maintenance actions, it is necessary to lower the minimum user expectations from the system, ensuring at the same time that the system still performs its intended function effectively. The model proposed can be utilized to implement a PdM program in the industry with a few modifications to suit the individual industry's needs.
Subject: DRNTU::Engineering::Electrical and electronic engineering::Control and instrumentation::Control engineering.DRNTU::Engineering::Electrical and electronic engineering::Microelectronics.
Type: Conference Paper
Conference name: Prognostics and System Health Management Conference (2010 : Macau, China)
School: School of Electrical and Electronic Engineering
Research Centre: Singapore Institute of Manufacturing Technology
Rights: © 2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Version: Published version

Files in this item

Files Size Format View
Imperfect predi ... ent failure dependency.pdf 4.134Mb PDF View/Open
   

DOI Query

- Get published version (via Digital Object Identifier)
   

This item appears in the following Collection(s)

Show full item record

Statistics

Total views

All Items Views
Imperfect predictive maintenance model for multi-state systems with multiple failure modes and element failure dependency 370

Total downloads

All Bitstreams Views
Imperfect predictive maintenance model for multi-state systems with multiple failure modes and element failure dependency.pdf 434

Top country downloads

Country Code Views
United States of America 199
China 61
Singapore 50
France 14
Korea 14

Top city downloads

city Views
Mountain View 78
Singapore 50
Algiers 8
Simi Valley 6
Redmond 5