Abstract
The blockage of the sensing lines of a differential-pressure (DP) flow sensor has been found to be the main cause of malfunction of a flow measurement system in many industrial processes. A novel method based upon wavelet transforms for the self-validation of the DP flow sensor is presented in this paper. Unlike a conventional DP flow sensor that provides only measurements, a self-validating version of the sensor developed enables its measurements to be accompanied by a validity index. Namely, the accuracy of the measurement is reflected by the validating uncertainty whilst the normality of the measurement is indicated by normal/abnormal sensor operating status. Experimental results of a designed prototype sensor have verified the effectiveness of the approach.
| Original language | English |
|---|---|
| Pages | 1227-1230 |
| Number of pages | 4 |
| State | Published - 2001 |
| Externally published | Yes |
| Event | 18th IEEE Instrumentation and Measurement of Informatics -Rediscovering Measurement in the Age of Informatics - Budapest, Hungary Duration: 21 May 2001 → 23 May 2001 |
Conference
| Conference | 18th IEEE Instrumentation and Measurement of Informatics -Rediscovering Measurement in the Age of Informatics |
|---|---|
| Country/Territory | Hungary |
| City | Budapest |
| Period | 21/05/01 → 23/05/01 |
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