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《Electric Power Science and Engineering》 2004-02
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Automatic Identification of Shaft Orbits of Generator Sets Based on Improved Moment Invariant

NI Chuankun,ZHOU Jianzhong,FU Bo(Huazhong University of Science and Technology, Wuhan 430074, China)  
Axis orbit is an important characteristic to be used to diagnose the condition of the generator sets. Moment invariant of Hu is one of the important tools in graphic recognition. In this paper the limit of moment invariant in disperse state is analyzed and the method is improved. Simulation experiment of automatic identification for some typical axis orbits are operated, which proves that the method is effective, brief and feasible.
【CateGory Index】: TM31
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