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Erschienen in:
1989 | OriginalPaper | Buchkapitel
Failure Rate Estimation Based on Data from Different Environments and with Varying Quality
verfasst von : S. Lydersen, M. Rausand
Erschienen in: Reliability Data Collection and Use in Risk and Availability Assessment
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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Data to be included in reliability databases are typically collected from different sources. The “true” reliability of a component may vary from source to source, due to factors such as different manufacturers, design, dimensions, materials, and operational and environmental conditions. The quality of the data may vary in completeness and level of detail, due to one or more reasons such as data registration methods, company boundary specifications, subjectiveness and skill of the data collector, and time since the failure events occurred.The paper discusses reliability estimation based on data with the characteristics mentioned above. Special problems and uncertainties are highlighted. The discussion is exemplified with problems encountered during data collection projects such as OREDA.