Method for determining a running condition by spatial...

Details Method for determining a running condition by spatial... Method for determining a running condition by spatial...

2011-07-19

2011-07-19

Charioui, Mohamed (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C702S179000, C702S183000, C702S185000

Reexamination Certificate

active

07983875

ABSTRACT:
The invention concerns a method for determining the running condition of a member rotating on a surface. The method includes an initial process of performing a spatial frequency analysis of the rotational speed of the member to identify at least one frequency window not including a harmonic of the revolution of the member wherein a law determining the running condition is established, and thereafter, an iterative process for determining the running condition including measuring the rotational speed V of the member; spatially sampling the speed with a constant spatial sampling period Δd; and analyzing the sampled signal in the frequency window identified so as to determine the running condition on the basis of the established law.

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patent: 2006/0243895 (2006-11-01), Nordenfelt et al.
patent: 00/01545 (2000-01-01), None

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