Automatic machinery fault diagnostic method and apparatus

Details Automatic machinery fault diagnostic method and apparatus Automatic machinery fault diagnostic method and apparatus

2006-08-08

2006-08-08

Hoff, Marc S. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C714S025000

Reexamination Certificate

active

07089154

ABSTRACT:
The invention relates to an automatic fault diagnostic procedure for machines, such as steam, gas and hydro-turbines, generators, pumps, electrical motors, etc. For each of a plurality of components, for each of a number of possible faults, a total fault symptom strength value is calculated from measured data. If the value is above a predetermined value, the fault symptom strength is plotted and fitted to a trend line to determine an estimate of when the fault symptom strength will exceed a predetermined value. Output messages are then selected based on the fit.

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