Additional information from flowmeters via signal analysis

7th IEEE Conference on Instrumentation and Measurement Technology Pub Date : 1990-02-13 DOI:10.1109/IMTC.1990.65994

J. Amadi-Echendu, E. Higham

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引用次数: 13

Abstract

The need to enhance the performance of process instrumentation systems by applying modern signal processing techniques has been identified as one of the priority areas for research and development in process instrumentation and process control. It is pointed out that this performance enhancement can be in the form of extracting additional information from flow sensors beyond the customary requirements of the basic process measurement, that is, flow rate. In conjunction with, and within the expert systems approach, an enhanced flowmeter can be utilized for condition monitoring purposes, and for diagnostic engineering management and optimization of process plant operations. The authors demonstrate the new importance of flow measurement signals from the point of view of extracting additional information, which is used to characterize the operational status of a turbine flow meter installed in a plant. The signal processing method is based on the system identification and parametric modelling approach. Qualitative signatures which have been identified for the turbine flow measurement system have also been related to the condition of the process plant.<>

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通过信号分析从流量计获得的附加信息

通过应用现代信号处理技术来提高过程仪表系统性能的需要已被确定为过程仪表和过程控制研究和发展的优先领域之一。指出，这种性能增强可以从流量传感器中提取超出基本过程测量习惯要求的附加信息，即流量。结合专家系统方法，增强型流量计可用于状态监测、诊断工程管理和工艺工厂操作的优化。作者从提取附加信息的角度论证了流量测量信号的新重要性，并利用附加信息来表征工厂安装的涡轮流量计的运行状态。信号处理方法基于系统辨识和参数化建模方法。已确定的涡轮流量测量系统的定性特征也与工艺装置的条件有关。

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7th IEEE Conference on Instrumentation and Measurement Technology

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