Method and apparatus for predictive diagnosis of moving machine

Details Method and apparatus for predictive diagnosis of moving machine Method and apparatus for predictive diagnosis of moving machine

1997-02-18

1998-12-22

Trammell, James P.

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

702183, 73570, 73577, G06F 1900

Patent

active

058527931

ABSTRACT:
For automatically predicting machine failure a transducer sensor, such as piezoelectric crystal, is applied to a machine for sensing machine motion and structure-borne sound, including vibration friction, and shock waves. The structure-borne sound and motion sensed is converted to electrical signals which are filtered to leave only the friction and shock waves, which waves are processed, as by detecting the envelope and integrating beneath the envelope, resulting in a measure of friction and shock wave energy, i.e., stress wave energy. This measure is computed and processed for producing fault progression displays for periodic and aperiodic damage. This is accomplished in a personal computer, menu-driven environment.

REFERENCES:
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patent: 5115671 (1992-05-01), Hicho
patent: 5210704 (1993-05-01), Husseiny
patent: 5251151 (1993-10-01), Demjanenko et al.
patent: 5365787 (1994-11-01), Hernandez et al.

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