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Economic design of the mean prognostic distance for canary-equipped electronic systems

机译：配备金丝雀的电子系统的平均预测距离的经济设计

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摘要

Canaries are a type of early warning device that can be embedded or mounted on electronic systems to issue a pre-failure warning to the host system. A canary is designed to fail faster than the host system. The distance from the time of canary failure to host system failure is called the prognostic distance of the canary. This distance is clearly random depending on the design and operating characteristics of each particular canary and host system, so in practice we often refer to the mean prognostic distance as the measure of prognostic distance. The mean prognostic distance is often determined during the design stage of the canary and the system without taking into account the cost associated with system failure. Clearly, if the consequence of system failure is severe, then the mean prognostic distance should be longer. This paper introduces an economic design for the mean prognostic distance in a canary-equipped system from the perspective of an economic analysis. We establish the necessary conditions for such an economic-based mean prognostic distance to exist and demonstrate it through numerical examples.
机译：金丝雀是一种预警设备，可以嵌入或安装在电子系统中，以向主机系统发出故障前警告。金丝雀旨在故障比主机系统更快。从金丝雀故障时间到主机系统故障的距离称为金丝雀故障的预测距离。该距离显然是随机的，具体取决于每个特定的金丝雀和宿主系统的设计和操作特性，因此在实践中，我们通常将平均预后距离称为预后距离的量度。通常在金丝雀和系统的设计阶段确定平均预后距离，而不考虑与系统故障相关的成本。显然，如果系统故障的后果很严重，则平均预后距离应更长。本文从经济分析的角度介绍了配备金丝雀的系统中平均预测距离的经济设计。我们建立了这样一个基于经济的平均预测距离的必要条件，并通过数值示例进行了证明。

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  • 来源
    《Microelectronics reliability》 |2012年第6期|p.1086-1091|共6页
  • 作者

    Wenbin Wang; Shuxin Luo; Michael G. Pecht;

  • 作者单位

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

    School of Sciences, Hebei University of Science and Technology, Shijiazhuang, China;

    Centre for Prognostics and Health Management, City University of Hong Kong, China,CALCE Electronic Products and Systems, University of Maryland, College Park, MD 20742, USA;

  • 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
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