Tracking and resampling method and apparatus for monitoring the

Details Tracking and resampling method and apparatus for monitoring the Tracking and resampling method and apparatus for monitoring the

1987-12-01

1990-03-27

Lall, Parshotam S.

Boots, shoes, and leggings

73660, 364506, 364508, G06F 1546, G01H 100

Patent

active

049126610

ABSTRACT:
A tracking and resampling method for monitoring the performance of a rotating machine (10) is disclosed. One or more measuring devices (13) provide rotating machine performance data to a signal processor (14) that samples the performance data at uniform time increments. A digitized waveform of the sampled performance data is interpolated by an interpolation filter. The sampled performance data is convolved with the impulse response of the interpolation filter to provide a continuous time function waveform depicting the rotating machine performance data. The signal processor (14) resamples the continuous time function waveform at uniform rotating shaft phase angle increments.

REFERENCES:
patent: 4031366 (1977-06-01), Hartung
patent: 4426641 (1984-01-01), Kurihara et al.
patent: 4488240 (1984-12-01), Kapadia et al.
patent: 4667297 (1987-05-01), Kawai

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