吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (4): 1181-1188.doi: 10.13229/j.cnki.jdxbgxb201504023

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Compound quantum-inspired structuring element considering signal characteristics

ZHANG Pei-lin, CHEN Yan-long, WANG Huai-guang, LI Sheng   

  1. Department of Vehicles and Electrical Engineering, Ordnance Engineering College, Shijiazhuang 050003, China
  • Received:2013-11-04 Online:2015-07-01 Published:2015-07-01

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Abstract: Inspired by the quantum theory, a Compound Quantum-inspired Structuring Element (CQSE) based on morphological dilation operator is proposed to enhance shock response component of fault vibration signals. The CQSE considers both the local feature and stochastic characteristics of the signals, therefore, COSE adjusts its height dynamically according to signal. First, the basic expression of Quantum-inspired Structuring Element (QSE) is proposed. Second, the kurtosis, which is employed to describe the local feature of shock response signals, is utilized to generate the height of Single Form in Real Space (SFRS) of QSE; the normalized signal, which is employed to describe the stochastic characteristics of signals, is utilized to compute quantum-inspired probability of each SFRS. Third, combing quantum-inspired probability with mathematical expectation, the CQSE for morphological dilation operator is obtained. Finally, the CQSE is applied to bear fault diagnosis and enhance the fault information effectively.

Key words: technology of instrument and meter, structuring element, quantum theory, local feature, stochastic characteristics

CLC Number: 

  • TH113.1
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