NDLI: Research of heat exchanger fouling ultrasonic testing signal analysis method based on inverse filtering and high order cumulant MUSIC spectrum estimation

Content Provider	IEEE Xplore Digital Library
Author	Ming Yang Xia Li Lingfang Sun Xin Zhao
Copyright Year	2012
Description	Author affiliation: School of Automation Engingeering, Northeast Dianli University Jilin, China (Lingfang Sun; Xin Zhao) \|\| Control and Simulation Center, Harbin Institute of Technology, China (Ming Yang; Xia Li)
Abstract	Fouling of heat transfer equipments is a common problem in modern industry. Because the traditional fouling monitoring thermodynamic approach has low credibility, ultrasonic echo method is proposed to monitor fouling. Usually the fouling layer of equipment is thin, echo is overlapped and cluttered, and it is difficult to extract features from signals. Inverse filtering method is introduced to transform the hard-to-distinguish delay information in time-domain to frequency-domain information. Then signal processing method, using high order cumulant in combination with MUSIC spectrum estimation, is used to realize the fouling echo information extraction. The experiments of simulation signal and actual signal verified the effectiveness of this method.
Starting Page	563
Ending Page	566
File Size	469491
Page Count	4
File Format	PDF
ISBN	9781467303620
ISSN	21618151
e-ISBN	9781467303644
e-ISBN	9781467303637
DOI	10.1109/ICAL.2012.6308141
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	ultrasonic monitoring Time domain analysis MUSIC spectrum estimation heat exchanger fouling inverse filtering Acoustics Multiple signal classification Spectral analysis Delay Signal to noise ratio
Content Type	Text
Resource Type	Article

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