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In industry and engineering, reliability analysis of complex systems is one of the most concerning problems. System reliability depends on the reliability of components and system structure. Due to high testing costs, only component data is available and sample sizes are strictly limited. In this article, we describe a new form of WCF expansion for determining the confidence bounds of system reliability...
A distinct benefit of disk scanning or scrubbing operation is identifying the potential failure sectors as early as possible, thus providing high reliability. Obviously, the higher the scrubbing frequency is, the higher the system reliability is. However, it may take a few hours for a scanning process to check the whole disk. In other words, the scrubbing process may result in a downtime or a lower...
Prioritization and allocation of federal funds for nationwide bridge replacements and rehabilitations are based on ratings listed in the National Bridge Inventory database. Distribution of funds is based on the sufficiency rating, represented by a formula considering structural safety, functional obsolescence, and essentiality for public use. Possessing the highest weight in sufficiency rating formula,...
This paper presents a brief retrospective of the development and application of reliability-based techniques for assessment of complex structures with emphasis on inspection optimization of offshore and bridge structures. An optimal reliability-based inspection program is the key to optimize the lifetime maintenance cost while maintaining the safety and serviceability of complex structures at acceptable...
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