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Consideration of operating environment when optimizing spare parts inventories
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik.
2009 (engelsk)Inngår i: 2009 proceedings: 15th ISSAT International Conference Reliability and Quality in Design : August 6 - 8, 2009, San Francisco, California, USA / [ed] Hoang Pham, Piscaaway, NJ: International Society of Science and Applied Technologies , 2009, s. 315-319Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Spare parts estimation, consumption and management are greatly influenced by the reliability characteristics of system or components under consideration. Any maintenance policies and spare parts planning without considering the reliability characteristics are not optimum. Therefore it is important to study and analyse the reliability characteristics before making decision concerning spare parts planning. It is known that the operating environmental conditions in which the system is to be operated, such as temperature, humidity, dust, load, voltage stress, etc. often have considerable influence on its reliability characteristics. These factors, in fact affect the failure rate of a repairable system and non-repairable component, but are usually ignored in the reliability analysis. In general, new products are often used under conditions that are not anticipated. It is common to modify the predicted life length and reliability characteristics of product by considering the environmental and other factors. In this paper a general approach of integrating the system operating environment in dimensioning of spare parts planning is briefly studied. Two approaches, Poisson and renewal process are considered in the analyses of system/component failure behaviour. Eventually, two case studies that are used the mentioned methods are presented. The main purpose of the paper is to highlight the effect of system operating environment in system behaviour and consequently spare parts needs.

sted, utgiver, år, opplag, sider
Piscaaway, NJ: International Society of Science and Applied Technologies , 2009. s. 315-319
HSV kategori
Forskningsprogram
Drift och underhållsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-40470Lokal ID: f9ef159d-9474-467f-9334-022e4cd8fc04ISBN: 9780976348658 (tryckt)OAI: oai:DiVA.org:ltu-40470DiVA, id: diva2:1013992
Konferanse
ISSAT International Conference on Reliability and Quality in Design : 06/08/2009 - 08/08/2009
Merknad
Godkänd; 2009; 20111121 (behzad)Tilgjengelig fra: 2016-10-03 Laget: 2016-10-03 Sist oppdatert: 2017-11-25bibliografisk kontrollert

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