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An extended Birnbaum importance-based two-stage heuristic for component assignment problems under uncertainty

机译:基于延伸的Birnbaum重要的两级启发式,用于不确定性下的组件分配问题

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摘要

The component assignment problem (CAP) is to find the optimal assignment of n components to n positions in a system that maximizes the system reliability. Due to the insufficiency and the inaccuracy of related data and system complexities, there are different types of uncertainties in real-world engineering system analysis. This paper proposes an extended Birnbaum importance (BI)-based two-stage (EBITS) heuristic using evidential network and interval-valued BI measures for solving CAPs under parametric and model uncertainties. The parametric uncertainty is the uncertainty about component reliabilities and the model uncertainty is the uncertainty about the system structure. The proposed method is applied to find the optimal assignment of valves in a ship's fuel service system.
机译:组件分配问题(帽)是在系统中找到最大化系统可靠性的N个组件的最佳分配。由于相关数据和系统复杂性的不足和不准确性,在现实世界工程系统分析中存在不同类型的不确定性。本文提出了扩展的Birnbaum重要性(BI),基于二级(EBITS)启发式,使用证据网络和间歇性BI测量来解决参数和模型不确定性的帽子。参数不确定性是组件可靠性的不确定性,模型不确定性是系统结构的不确定性。拟议的方法应用于船舶燃料服务系统中的阀门最佳分配。

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