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A reliability assessment approach for systems with heterogeneous component information

Summary: Reliability assessment of complex systems is an important yet difficult task. The difficulty arises largely because of heterogeneous component-level data, for example, lifetime data, degradation data, component-level assessment results, and prior information. A method for reliability assessment is developed in this article for systems plagued by degradation and lifetime data. Our framework divides component-level information into two types. These two types are then combined using a systematic approach. This article describes the method along with some application examples that demonstrate the approach capable of overcoming several difficulties associated with conventional reliability assessment approaches.

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  • Topics: Statistics
  • Keywords: Component information, Degradation models, MLE, Pivot, System reliability assessment, Weibull distribution
  • Author: Xu, Jianyu; Yu, Dan; Hu, Qingpei; Xie, Min
  • Journal: Quality Engineering