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《Journal of Hydroelectric Engineering》 2012-04
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Multi-fractal feature recognition for shaft centerline orbit of hydropower units based on fuzzy clustering

LI Hui,BAI Liang,LUO Xingqi,JIA Rong,TIAN Lulin(Institute of Water Resources & Hydropower Engineering,Xi'an University of Technology,Xi'an 710048)  
In this paper,multi-fractal spectrum is used to represent the graphics features of axis orbits of hydropower unit and to achieve feature extraction from common orbit shapes of unit axis.Fuzzy c-means clustering method is used to identify the multi-fractal characteristics of clustering variety of fault value of orbits.Results show that this method produces better classification identification of the multi-axis samples and meets the needs of intelligent diagnosis of hydropower generating units.
【Fund】： 国家自然科学基金项目(50779056);; 陕西省普通高等学校重点学科建设项目;; 陕西省“13115”科技创新工程技术研究中心项目(2008ZDGC-16);; 陕西省教育厅专项科研计划项目(2010JK730)资助
【CateGory Index】： TM312
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