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Proceedings Paper

A method to locate loose metal parts with FFT and support vector machine
Author(s): Yuanfeng He; Yanlong Cao; Jiangxin Yang
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Paper Abstract

The position of loose part can be located by analyzing the impact signal generated by the steel plate and the metal part which strikes the plate or falls to it from a certain height. A new method utilizing Fast Fourier transform (FFT) and Support Vector Machine (SVM) is proposed in this paper to locate positions of loose parts. FFT changes signals into frequency domain from time domain. While trained by the eigenvalues (i.e. Feature values) of impact signals from simulant device, SVM can distinguish locations of loose parts in an acceptable bias. Experiments proved that the above mentioned method is feasible.

Paper Details

Date Published: 31 December 2008
PDF: 6 pages
Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 713051 (31 December 2008); doi: 10.1117/12.819741
Show Author Affiliations
Yuanfeng He, Zhejiang Univ. (China)
Yanlong Cao, Zhejiang Univ. (China)
Jiangxin Yang, Zhejiang Univ. (China)

Published in SPIE Proceedings Vol. 7130:
Fourth International Symposium on Precision Mechanical Measurements
Yetai Fei; Kuang-Chao Fan; Rongsheng Lu, Editor(s)

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