Reliability analysis of the bulk cargo transportation system with independent and dependent redundancy of its components

2016 International Conference on Information and Digital Technologies (IDT) Pub Date : 2016-07-05 DOI:10.1109/DT.2016.7557146

Blokus-Roszkowska Agnieszka, K. Bożena

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引用次数: 1

Abstract

In the paper an approach to the reliability analysis of multistate systems and their redundancy is presented. First, basic notions concerned with reliability analysis of the ageing multistate systems are introduced. The system risk function and the moment of the system exceeding the critical reliability state are defined. The multistate series system with hot single reserve of its components is analyzed and its reliability function is determined. Moreover, we consider two types of redundancy, when basic and reserve system components are independent and second case when basic and reserve system components are dependent according equal load sharing rule. In such model of dependency the increased load is shared equally between basic and reserve components. Presented theoretical results are applied practically in maritime transport to the reliability analysis of a bulk cargo loading system. Basic reliability and risk characteristics of the bulk cargo transportation system are determined and compared with results obtained in case of independent and dependent redundancy.

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具有独立冗余和相关冗余的散货运输系统可靠性分析

提出了一种多状态系统及其冗余度的可靠性分析方法。首先，介绍了老化多状态系统可靠性分析的基本概念。定义了系统风险函数和系统超过临界可靠性状态的力矩。对多态串联系统进行了分析，确定了多态串联系统的可靠性函数。此外，我们考虑了两种类型的冗余，一种是基本系统和备用系统组件独立的冗余，另一种是基本系统和备用系统组件根据等负荷分担规则相互依赖的冗余。在这种依赖模型中，增加的负荷在基本组件和备用组件之间平均分担。所提出的理论结果已应用于海运散货装载系统的可靠性分析。确定了散货运输系统的基本可靠性和风险特性，并与独立冗余和依赖冗余情况下的结果进行了比较。

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2016 International Conference on Information and Digital Technologies (IDT)

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