NDLI: Criticality evaluation for spare parts initial provisioning

Content Provider	IEEE Xplore Digital Library
Author	Sang-Chin Yang Zhong-wei Du
Copyright Year	2004
Description	Author affiliation: Chung Cheng Inst. of Technol., Tao-Yuan, Taiwan (Sang-Chin Yang)
Abstract	Based on the experience of operations and support, the demands for spare parts are usually uncertain and excess stocking is expensive. The provisioning of spare parts frequently experiences variations over a system's life cycle. The provision of insufficient critical items results in costly system downtime. However, the excess of stock can also be costly. The purpose of this paper is to develop an efficient and effective evaluation method to facilitate the initial provisioning of the critical spare parts that have significant impacts on the operational availability and total life-cycle cost as well. The criticality of spare parts is utilized to estimate an appropriate amount of items for the initial provisioning so that the optimal maintenance plan can be achieved. The repair rates of critical items are analyzed and applied to calculate the turn-around-time of repair items. Criticality is used to determine the importance of each end-item in order to accurately derive the initial spare parts lists. The effects of turn-around-time on spares are discussed and applied to evaluate the spare parts criticality. The failure mode, effects and criticality analysis (FMECA) is modified to incorporate both grey relation number (GRN) and turn-around-time (TAT) with the calculation of risk priority number (RPN) of the spares. A system under development is selected to demonstrate the applicability of the evaluation method. The results indicate that both the criticality of spares and the turn-around-time of repairable items have significant influence on the cost-effectiveness curves of the system. Finally, an efficient procedure for the spare parts initial provisioning is suggested to reduce the total life-cycle cost and improve the effects of maintenance planning.
Sponsorship	IEEE Reliability Soc. Electron. Div., American Soc. for Quality AIAA Reliability Div., American Soc. for Quality IEST QC & RE Div., IIE SAE International SOLE International Soc. of Logistics Soc. for Reliability Eng. System Safety Soc
Starting Page	507
Ending Page	513
File Size	446709
Page Count	7
File Format	PDF
ISBN	0780382153
DOI	10.1109/RAMS.2004.1285498
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-01-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Logistics Probability distribution Control systems Failure analysis Risk analysis Inventory management Cost function Maintenance Bayesian methods Uncertainty
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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