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Proceedings Paper

Fault signal detection with autocorrelation method
Author(s): Xuexian Yang; Qin-Yan Zhang; Yueqiu Han
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Paper Abstract

Signal's autocorrelation characteristic is used for fault detection and the fault detection formula is presented in this paper. The implementation schemes under periodic and non-periodic signals are discussed respectively. The fault detection algorithm is presented at the base of Bayesian Decision and corresponding implementation a scheme. In computer simulation, linear frequency modulated signa is selected. The simulation results confirm that the autocorrelation method is applicable. As the conclusion,this method can apply to electronic equipment built-in self-test and can accomplish on-line fault detection of period signals.

Paper Details

Date Published: 10 August 1998
PDF: 6 pages
Proc. SPIE 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II, (10 August 1998); doi: 10.1117/12.318449
Show Author Affiliations
Xuexian Yang, Beijing Institute of Technology (China)
Qin-Yan Zhang, Beijing Institute of Technology (China)
Yueqiu Han, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 3558:
Automated Optical Inspection for Industry: Theory, Technology, and Applications II
Shenghua Ye, Editor(s)

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