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摘要:
To effectively identify the diamond sharpness ratio during wheel dressing process, considering the non-stationary specialties of acoustic emission signals, the diamond blunt feature extraction method based on bispectrum analysis was studied. The on-line wheel dressing monitoring experiments were made to investigate the bispectrum feature of acoustic emission signals when the diamond sharpness ratio was sharp, middle blunt and blunt, and a diamond blunt feature extraction method based on main diagonal slice of normalized bispectrum magnitude of acoustic emission signals was proposed. The conclusion is reached that the diamond sharpness ratio can be identified effectively by the bispectrum analysis of acoustic emission signals during wheel dressing process.
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来源 :
China Mechanical Engineering
ISSN: 1004-132X
年份: 2005
期: 7
卷: 16
页码: 578-582
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