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《Chinese Journal of Sensors and Actuators》 2006-06
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Measurement of Buried Iron Water Pipe Leak Based on Acoustic Emission Sensors and ChiMerge Rough Set Theory

GU Xiao-hong 1,2*,CAI Jin-hui2,ZHOU Ze-ku2 1.College of Electrical and Mechanical Engineering.China Jiliang University,Hangzhou 310018,China;2.Department of Control Science nd Engineering,Zhejiang University,Hangzhou 310027,China  
Aimed at the measurement of water pipe leak,in order to get right conclusion of diagnosis from maturity information and satisfied results of recognition from incomplete information,and to improve the recognizing rate of leak,a method of leak recognition based on acoustic emission sensors and ChiMerge rough set theory is presented.This method is based on the data sampled by acoustic emission sensors,and the decision table is established by combining the EMD and feature of power extraction,then the decision table is discretized by ChiMerge arithmetic,finally the water pipe leak is recognized by the reduction of rough set theory.Experiments show that the method is effective.
【Fund】: 国家自然科学基金资助(60374051)
【CateGory Index】: TP274.4
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