NDLI: Boiler tube leakage acoustic localization base on AGA

Content Provider	IEEE Xplore Digital Library
Author	Peng Wang Liansuo An Guoqing Shen Jie Shi Yongxing Lu
Copyright Year	2010
Description	Author affiliation: Key Laboratory of Condition Monitoring and Control for Power Plant Equipment Ministry of Education, North China Electric Power University, No.2 BeiNong, Road, HuiLongGuan, ChangPing, Beijing, 102206, China (Peng Wang; Liansuo An; Guoqing Shen; Jie Shi; Yongxing Lu)
Abstract	Efficient and reliable operation is the main requirement of the modern power plant,hence it's significant that the boiler tube leakage source is localized precisely. The four-element acoustic array was exploited in the furnace and the schematic of sensors distributed for capture the leakage signal were given. A set of hyperbolic equations were established and Accelerating genetic algorithm (AGA) was proposed to give an iterative solution avoiding initial guess and far-field assumption. The stable and sharp peak can be obtained by an approximation of the maximum likelihood (ML) estimator, which was verified via the experiment on localization of leakage. The time differences of arrival (TDOA) error level was 0.1us, the array failed to fix position as the remarkable coordinate error, while the error level was 0.01us, the coordinates error was linearized and reduced to the permitted range (less than 1m).
Starting Page	3179
Ending Page	3183
File Size	798930
Page Count	5
File Format	PDF
ISBN	9781424467129
e-ISBN	9781424467129
DOI	10.1109/WCICA.2010.5553788
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arrays Biological cells Boilers Delay effects Acoustics Sensors Maximum likelihood estimation error Boiler leakage localizition time differences of arrive generalized cross correlation accelerationg genetic algorithm
Content Type	Text
Resource Type	Article

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