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Reliability optimization of series-parallel systems with K-mixed redundancy strategy

机译：采用K混合冗余策略的串并联系统的可靠性优化

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This paper revisits the redundancy allocation problem, a well-known problem in reliability optimization, and implements a novel redundancy strategy, called K-mixed, to improve system reliability. The K-mixed strategy is a general form of a mixed strategy. The mixed strategy is a combination of active and standby redundancy strategies which was introduced in 2014. Initially, the mathematical formulation for calculating the reliability of the K-mixed strategy is investigated and then its power and efficiency are evaluated against different test problems and a famous benchmark problem. In order to solve the proposed benchmark problem, an efficient genetic algorithm is developed and the results are compared with those reported elsewhere. It is found that the proposed K-mixed strategy results in higher reliability in most situations than would otherwise be achieved by its mixed counterpart. It is concluded that by using the K-mixed strategy in an optimization model, system designers have the opportunity to select the best strategy for each subsystem from among all the different strategies available to design systems with maximum reliability.
机译：本文重新审视了可靠性优化中众所周知的冗余分配问题，并实现了一种称为K-mixed的新型冗余策略，以提高系统可靠性。 K混合策略是混合策略的一般形式。混合策略是主动和备用冗余策略的组合，于2014年推出。最初，研究了计算K混合策略可靠性的数学公式，然后针对不同的测试问题评估了其功率和效率，这是一个著名的例子。基准问题。为了解决提出的基准问题，开发了一种有效的遗传算法，并将结果与​​其他地方所报告的结果进行了比较。已经发现，在大多数情况下，所提出的K混合策略所产生的可靠性高于其混合对应方法所能达到的可靠性。结论是，通过在优化模型中使用K混合策略，系统设计人员将有机会从可用于设计系统的所有不同策略中为每个子系统选择最佳策略，以最大的可靠性进行设计。

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