Apparatus and method for detecting vibration patterns

Details Apparatus and method for detecting vibration patterns Apparatus and method for detecting vibration patterns

G - Physics

01

H

G01H 1/14 (2006.01) F02P 5/152 (2006.01) G01L 23/22 (2006.01) G01M 15/00 (2006.01)

Patent

CA 2073230

ABSTRACT OF THE DISCLOSURE An electronic detection system for detecting vibration patterns from physical events, such as engine knocking or articulated speech, senses a vibration source with a wideband transducer to provide a sensed signal, then converts this signal to energy amplitude and spectral frequency form to extract detectable features of the vibration pattern. Events are detected when a controller determines that the sensed energy and spectral data exceed adaptively-predetermined energy and spectral thresholds, preferably for a duration exceeding predefined time windows.

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