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Reliability Evaluation for Demand-Based Warm Standby Systems Considering Degradation Process

机译：考虑退化过程的基于需求的热备份系统的可靠性评估

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摘要

Warm standby redundancy is a fault-tolerant technique balancing the low economical efficiency of hot standby and the long recovery time of cold standby. In this paper, motivated by practical engineering systems, a general demand-based warm standby system (DB-WSS) considering component degradation process is studied. A series of intermediate states exists between perfect functionality and complete failure because of degradation processes. A lot of existing analytical reliability assessment techniques are focused on conventional binary-state models or exponential state transition distributions for a system or its components. In this paper, a novel reliability evaluation approach based on the multistate decision diagram for DB-WSS is proposed. The proposed technique can handle arbitrary distributions of degradation processes for multistate components or systems. Moreover, considering the imperfect switch of the warm standby component, the start failure probability is taken into account in the warm standby system. Numerical studies are given to illustrate the proposed approach.
机译：热备用冗余是一种容错技术，可以平衡热备用的低经济效率和冷备用的长恢复时间。本文以实际工程系统为动力，研究了考虑零件退化过程的基于需求的通用热备用系统（DB-WSS）。由于降级过程，在完美功能和完全故障之间存在一系列中间状态。许多现有的分析可靠性评估技术都集中在系统或其组件的常规二进制状态模型或指数状态转换分布上。提出了一种基于多状态决策图的DB-WSS可靠性评估方法。所提出的技术可以处理多状态组件或系统的退化过程的任意分布。此外，考虑到热备用组件的不完美开关，在热备用系统中考虑了启动失败的可能性。数值研究表明了所提出的方法。

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  • 来源
    《IEEE Transactions on Reliability》 |2017年第3期|795-805|共11页
  • 作者

    Heping Jia; Yi Ding; Rui Peng; Yonghua Song;

  • 作者单位

    College of Electrical Engineering, Zhejiang University, Hangzhou, China;

    College of Electrical Engineering, Zhejiang University, Hangzhou, China;

    Donlinks School of Economics and Management, University of Science and Technology Beijing, Beijing, China;

    College of Electrical Engineering, Zhejiang University, Hangzhou, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Degradation; Power system reliability; Analytical models; Switches; Redundancy;

    机译：降级;电力系统可靠性;分析模型;开关;冗余;

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