大型复杂系统多态可靠性快速评估算法

Multi-state reliability fast evaluation algorithm for large-scale complex system

开展装备系统可靠性评估工作,对于发挥装备固有性能、提升装备使用效能、降低装备管控风险,具有重要工程应用价值。针对大型装备复杂系统,通过构建面向不同耦合结构的极限序列核和极限可靠度逼近函数,探索了一类计算资源要求低,计算便捷,且逼近精度满足工程需要的多状态可靠性建模、分析与快速评估方法。案例研究表明:算法突破了装备复杂系统大维度可靠性解算技术瓶颈,提升了可靠性评估效率,且评估与风险预报效果好;算法丰富了装备复杂系统多状态可靠性建模、分析与评估体系,可为可靠性工程的设计、使用与管理人员,提供前沿理论储备和工程技术借鉴。

Carrying out reliability evaluation of equipment system has important engineering application value for ehhancing performance,improving efficiency,and reducing management and control risks.Aiming at the large-scale complex equipment system,by constructing limit sequence kernel and limit reliability approximation function for different coupling structures,a multi-state reliability modeling,analysis,and fast evaluation method with low requirement of calculation resources,calculation convenience,and approximation accuracy meeting the needs of engineering is explored.The case study shows that the algorithm breaks through the bottleneck of large-scale reliability calculation technology of complex equipment system,improves the efficiency of reliability evaluation,and has good effect in evaluation and risk prediction.Moreover,the algorithm enriches the multi-state reliability modeling,analysis,and evaluation system of complex equipment system,which can provide advanced theoretical reserves and engineering technology reference for reliability engineering design,use,and management personnel.