Zhang, J.Q. and Yan, Y. (2001) A Self-Validating Differential-Pressure Flow Sensor. In: 18th IEEE Instrumentation And Measurement Technology Conference (Imtc/2001) Budapest, Hungary, May 21-23, 2001. IEEE Instrumentation & Measurement Technology Conference, Proceedings , 2. IEEE, 345 E 47TH ST, New York, NY 10017 USA, USA pp. 1227-1230. ISBN 0-7803-6646-8 .
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The blockage of the sensing lines of a differential- pressure (DP) flow sensor has been found to be the main cause of mayunction of Q flow measurement system in many industrial processes. A novel method based upon wavelet transforms for the self-validation of the DPflow sensor is presented in this paper. Unlike a conventional DP flow sensor that provides only measurements, a sevvalidating 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 normallabnormal sensor operating status. Experimental results of a designed prototype sensor have verified the effectiveness of the approach.
|Item Type:||Conference or workshop item (Paper)|
|Subjects:||T Technology > TA Engineering (General). Civil engineering (General) > TA166 Instrumentation|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts > Instrumentation, Control and Embedded Systems|
|Depositing User:||Yiqing Liang|
|Date Deposited:||06 Aug 2009 09:10|
|Last Modified:||14 Jan 2010 14:24|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/6461 (The current URI for this page, for reference purposes)|
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