Method of justification of the requirements for metrological support of repair of objects with variable structure

IF 0.1 Q4 INSTRUMENTS & INSTRUMENTATION
Y. Ryzhov, L. Sakovych, Yana Kuriata, Oleksandr Sliusarchuk, Oleksandr Volkov, Yuriy Nastishin
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引用次数: 0

Abstract

A new method of justification of the requirements for measuring equipment (ME) is proposed. For the first time, the method accounts for the potential variability of the product structure during its intended use, and thus, allows minimizing the requirements concerning the probability of estimating the values of diagnostic parameters of the product during its current repair (CR), thereby reducing the cost of ME. In addition, partial (in particular, time between failures and average recovery time) and multi-component (in particular, the readiness/non-readiness factors) values of the reliability indices are quantitatively estimated and which meet the requirements. The task is solved algorithmically using the approaches of technical diagnostics and metrology. Based on the prescribed requirements for the reliability indices of the product, the justified ME for CR is selected. To achieve the goal, recent advances in modelling the reliability of large-scale facilities and systems with variable structure, as well as metrology methods for assessing the impact of the reliability of the ME on the value of the average recovery time of multimode facilities during their CR are involved. To our best knowledge, the application of these possibilities has not been reported yet. The paper formalizes the procedure for applying the obtained results in the form of an algorithm, which allows increasing the efficiency of the method, benefiting from its advantages. The application of the proposed method is illustrated for a piece of real communication equipment, namely a subsystem controlling the functioning of a high-power radio transmitter. It is demonstrated that, based on the requirements stated in the guidance documents regarding the value of the average recovery time of an object with variable structure, the selection of metrological characteristics and type of ME can be justified. Alternatively, the problem can be solved based on the given value of the reliability index of a multicomponent product, the so-called readiness factor. An example of assessing the efficiency by the proposed method is presented. The proposed method is recommended for the development of metrological support for CR of prospective radio-electronic tools with variable structure.
结构可变物体维修计量支持要求的论证方法
提出了一种证明测量设备(ME)要求合理性的新方法。该方法首次考虑到了产品结构在预期使用期间的潜在变化,因此可以最大限度地降低对产品当前维修(CR)期间诊断参数值估计概率的要求,从而降低测量设备(ME)的成本。此外,还能定量估算出符合要求的部分(特别是故障间隔时间和平均恢复时间)和多组件(特别是就绪/未就绪系数)可靠性指数值。这项任务是利用技术诊断和计量学方法通过算法解决的。根据对产品可靠性指数的规定要求,为 CR 选择合理的 ME。为了实现这一目标,需要对大型设施和可变结构系统的可靠性进行建模,并采用计量学方法评估多模设施在 CR 期间 ME 的可靠性对平均恢复时间值的影响。据我们所知,这些可能性的应用尚未见报道。本文以算法的形式正式确定了应用所获结果的程序,从而提高了该方法的效率,并从其优势中获益。本文以实际通信设备为例,说明了所提方法的应用,即控制大功率无线电发射机运行的子系统。结果表明,根据指导文件中对可变结构物体平均恢复时间值的要求,可以合理选择计量特性和 ME 类型。另外,还可以根据多组件产品的可靠性指数给定值(即所谓的准备系数)来解决问题。本文举例说明了如何利用所建议的方法评估效率。建议使用所提出的方法为具有可变结构的未来无线电电子工具的 CR 提供计量支持。
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
Ukrainian Metrological Journal
Ukrainian Metrological Journal INSTRUMENTS & INSTRUMENTATION-
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21
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