SYSTEM AND METHOD FOR GEARBOX HEALTH MONITORING

A system includes a plurality of sensors configured to measure one or more characteristics of a gearbox. The system also includes a gearbox condition indicator device, which includes a plurality of sensor interfaces configured to receive input signals associated with at least one stage of the gearbo...

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Bibliographische Detailangaben
1. Verfasser:	KAR, Chinmaya
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	A system includes a plurality of sensors configured to measure one or more characteristics of a gearbox. The system also includes a gearbox condition indicator device, which includes a plurality of sensor interfaces configured to receive input signals associated with at least one stage of the gearbox from the sensors. The gearbox condition indicator device also includes a processor configured to identify a fault in the gearbox using the input signals and an output interface configured to provide an indicator identifying the fault. The processor is configured to identify the fault by determining a family of frequencies related to at least one failure mode of the gearbox, decomposing the input signals using the family of frequencies, reconstructing a gear signal using the deconstructed input signals, and comparing the reconstructed gear signal to a baseline signal. The family of frequencies includes a gear mesh frequency and its harmonics.