Formulation of Prognostics Requirements

A. Usynin, J. Hines, A. Urmanov
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引用次数: 6

Abstract

This paper proposes a methodology for formulating prognostics requirements for designers of electronic prognostics (EP)-enabled systems. A usefulness criterion is introduced that enables the specification of admissible uncertainty bounds on measurements of systems' health/degradation parameters. Keeping the uncertainty of health estimation below the admissible levels assures more accurate individual remaining useful life (RUL) estimations than those based on traditional population average time-to-failure. The proposed methodology is demonstrated using the well-known cumulative damage model that was extended to incorporate individual degradation data.
制订预测要求
本文提出了一种为电子预测(EP)启用系统的设计者制定预测需求的方法。引入了一种有用准则,用于规范系统健康/退化参数测量的可接受不确定性界限。将健康估计的不确定性保持在可接受的水平以下,可确保比基于传统总体平均故障时间的个体剩余使用寿命(RUL)估计更准确。所提出的方法被证明使用著名的累积损伤模型,扩展到纳入个人退化数据。
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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