Fault DSmT fusion method of core barrel based on wavelet energy analysis

被引：0
|
作者：
Engineering Training Center, Harbin Engineering University, Harbin [1 ]
150001, China
不详 [2 ]
150001, China
机构：
来源：
Hedongli Gongcheng | / 1卷 / 85-89期
关键词：
Energy management - Wavelet analysis;
D O I：
10.13832/j.jnpe.2015.01.0085
中图分类号：
学科分类号：
摘要：
Being aimed at the problems that it is difficult to recognize effectively the faults of core barrel rupture and fall off of core barrel fasteners parts, a method of the wavelet packet energy analysis and DSmT is proposed. By using the wavelet decomposition and reconstruction method, the fault signal of core barrel is decomposed to the basis function family formed from wavelet expanding and contracting, then sub-band energy distributed in different bands are obtained, and used as BPA evaluation signal of core barrel DSmT. By the simulation and analysis, the effectiveness of this method is verified. ©, 2015, Editorial Office of Nuclear Power Engineering. All right reserved.
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