Multi-characteristic index bevel gear health status evaluating method
A technology of health status and bevel gear, which is applied in the field of helicopter health monitoring and fault diagnosis, can solve the problem of insufficient empirical data for testing fault detection algorithms, and achieve the effect of removing the influence of environmental noise
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[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0041] Due to the structural characteristics of the helicopter tail reducer, the sensor cannot be directly installed at the point to be measured but should be installed in the gearbox shell, resulting in weak early fault features, and it is difficult to accurately extract it from the strong noise background of the tail reducer. At the same time, the vibration information measured by the sensors on the tail reducer shell interferes with each othe...
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