Network reliability allocation method based on heuristic algorithm (基于启发式算法的网络可靠性分配方法)

Ruiying Li
Dr. Ruiying Li is an assistant professor in the School of Reliability and Systems Engineering at Beihang University, where she also works in Science & Technology on Reliability & Environmental Engineering Laboratory. She obtained her B.E. and Ph.D. degrees in Reliability Engineering from Beihang University in 2004 and 2009, respectively. She was a visiting scholar in the Department of more


Once the system reliability goal has been defined, reliability allocation must be performed to the subsystems and components. However, the widely used reliability allocation methods are not capable of dealing with complex network structure. An improved Advisory Group on the Reliability of Electronic Equipment (AGREE) allocation method is proposed for networked system. In the proposed procedure, both the complexity and the importance of components are explicitly considered. Analytic algorithms and Monte Carlo simulation are applied to calculate the reliability of such a complex network structure. To determine the reliability allocation values, a heuristic algorithm is proposed, and an allocation adjustment procedure is provided to avoid inconsistent allocations caused by the same category of components involved in multiple missions. Several case studies show that the proposed method is practical and quite efficient in handling such complex reliability allocation problems.

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