Resonance identification in hydraulic cylinder piston position sensing
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United States of America Patent
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Jul 14, 1998
Grant Date -
N/A
app pub date -
Feb 13, 1997
filing date -
Feb 13, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The ability to be able to identify, distinguish and verify a lock onto harmonic frequency signals in the oil of a hydraulic cylinder using a ratio between consecutively detected harmonics. The identification is useful in providing early and reliable harmonic resonance 'lock on' and the ability to 'lock on' to a particular order harmonic resonance.
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