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Optimal sensor positioning on pressurized equipment based on Value of Information
Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability ( IF 2.1 ) Pub Date : 2021-01-27 , DOI: 10.1177/1748006x21989661
Seyed Mojtaba Hoseyni 1 , Francesco Di Maio 1 , Enrico Zio 1, 2, 3
Affiliation  

In this work, we apply a simulation-based framework that makes use of the Value of Information (VoI) for identifying the optimal spatial positioning of sensors on pressurized equipment. VoI is a utility-based Figure of Merit (FoM) which quantifies the benefits/losses of acquiring information. Sensors are typically positioned on pressurized equipment in line with specific recommendations based on operational experience, like UNI 11096 in Italy. We show that the recommendations in UNI 11096 are, indeed, justified and that, incidentally, relying on VoI for the optimization of the sensor positioning, one can achieve the same monitoring performance, as measured by VoI, where following UNI 11096, but with a reduced number of sensors. The proposed VoI-based approach can, thus, be used to confirm or revise recommendations coming from operational experience.



中文翻译:

基于信息值的加压设备上的传感器最佳定位

在这项工作中,我们应用了一个基于仿真的框架,该框架利用信息价值(VoI)来识别压力设备上传感器的最佳空间位置。VoI是基于实用程序的功绩指标(FoM),它量化了获取信息的好处/损失。传感器通常根据操作经验根据特定建议放置在加压设备上,例如意大利的UNI 11096。我们表明,UNI 11096中的建议确实是合理的,并且顺便说一句,依靠VoI来优化传感器的位置,可以实现与VoI相同的监测性能,而VoI则遵循UNI 11096,但具有减少传感器数量。因此,建议的基于VoI的方法可用于确认或修订来自运营经验的建议。

更新日期:2021-01-27
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