G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 13/00 (2006.01) G01H 13/00 (2006.01) G01M 13/02 (2006.01) G01M 17/00 (2006.01) G01M 17/08 (2006.01)
Patent
CA 2289893
A diagnostic technique for monitoring shaft cracking or incipient pinion slip involves monitoring a shift in a characteristic natural frequency of an operating system such as a geared system of a locomotive. The technique involves monitoring a shift in the characteristic natural frequency or resonance of a shaft for detecting shaft cracking. The technique also involves monitoring a shift in the characteristic natural frequency of one or more assemblies of the operating system which include a pinion and detecting a shift in the one or more characteristic natural frequencies of the assemblies. A vibration sensor or measurement of current changes of a motor of the operating system can be used to detect vibrations to monitor the characteristic natural frequencies. Torsional oscillations or measurement of current and voltage changes of a motor of the operating system, can also be used to monitor the characteristic natural frequencies.
Kliman Gerald Burt
Reddy Suresh Baddam
Sribar Rok
Company General Electric
Craig Wilson And Company
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