Efficient reliability analysis of generalized k-out-of-n phased-mission systems

IF 9.4 1区工程技术 Q1 ENGINEERING, INDUSTRIAL

Reliability Engineering & System Safety Pub Date : 2024-10-11 DOI:10.1016/j.ress.2024.110581

Guizhuang Chen , Yuliang Hu , Chaonan Wang , Zhitao Wu , Wenjing Rong , Quanlong Guan

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引用次数: 0

Abstract

k

-out-of-

n

phased-mission system (PMS) is a PMS where the system structure is

k

-out-of-

n

: G in each phase. This paper investigates

k

-out-of-

n

PMSs with phase-K-out-of-N requirement, where the entire mission is successful if at least K out of the N phases achieve success. Such system is referred to as a generalized

k

-out-of-

n

PMS (

k

n

-GPMS). The

k

n

-GPMSs are prevalent in applications such as satellites, unmanned aerial vehicles (UAVs), wireless sensor networks and so on. In this paper, a novel method based on multi-valued decision diagram (MDD) is proposed to analyze the reliability of

k

n

-GPMSs, where the number of available components n, the required number of components k, and the components failure behaviors in different phases may vary. Distinguishing from the traditional phase-by-phase MDD generation method, the proposed method considers the behavior of all phases simultaneously and generates only one MDD model in a top-down manner. To illustrate the application of the proposed method, the reliability and the sensitivity of a four UAVs system which conducts supplies delivery mission is analyzed. The complexity analysis is performed. The correctness and efficiency are verified and demonstrated by several case studies. The proposed method is also compared with Monte Carlo simulation method.

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广义 k-out-of-n 相位任务系统的高效可靠性分析

k-out-of-n 分阶段任务系统（PMS）是指系统结构为 k-out-of-n 的分阶段任务系统：G 的分阶段系统。本文研究的 k-out-of-n PMS 具有阶段-K-out-of-N 的要求，即 N 个阶段中至少有 K 个阶段取得成功，整个任务才算成功。这种系统被称为广义 k-out-of-n PMS（k/n-GPMS）。k/n-GPMS 在卫星、无人飞行器（UAV）、无线传感器网络等应用中非常普遍。本文提出了一种基于多值决策图（MDD）的新方法，用于分析 k/n-GPMS 的可靠性，其中可用组件数 n、所需组件数 k 以及组件在不同阶段的失效行为可能各不相同。有别于传统的逐阶段 MDD 生成方法，所提出的方法同时考虑了所有阶段的行为，以自上而下的方式只生成一个 MDD 模型。为了说明所提方法的应用，分析了执行物资运送任务的四架无人机系统的可靠性和灵敏度。进行了复杂性分析。几项案例研究验证并证明了该方法的正确性和高效性。此外，还将提出的方法与蒙特卡罗模拟方法进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Reliability Engineering & System Safety 管理科学-工程：工业

CiteScore

15.20

自引率

39.50%

发文量

621

审稿时长

67 days

期刊介绍： Elsevier publishes Reliability Engineering & System Safety in association with the European Safety and Reliability Association and the Safety Engineering and Risk Analysis Division. The international journal is devoted to developing and applying methods to enhance the safety and reliability of complex technological systems, like nuclear power plants, chemical plants, hazardous waste facilities, space systems, offshore and maritime systems, transportation systems, constructed infrastructure, and manufacturing plants. The journal normally publishes only articles that involve the analysis of substantive problems related to the reliability of complex systems or present techniques and/or theoretical results that have a discernable relationship to the solution of such problems. An important aim is to balance academic material and practical applications.