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Transmission bearing damage detection using decision fusion analysis
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Dempsey, Paula J. Decker, Harry J. Lewicki, David G. |
| Copyright Year | 2004 |
| Description | A diagnostic tool was developed for detecting fatigue damage to rolling element bearings in an OH-58 main rotor transmission. Two different monitoring technologies, oil debris analysis and vibration, were integrated using data fusion into a health monitoring system for detecting bearing surface fatigue pitting damage. This integrated system showed improved detection and decision-making capabilities as compared to using individual monitoring technologies. This diagnostic tool was evaluated by collecting vibration and oil debris data from tests performed in the NASA Glenn 500 hp Helicopter Transmission Test Stand. Data was collected during experiments performed in this test rig when two unanticipated bearing failures occurred. Results show that combining the vibration and oil debris measurement technologies improves the detection of pitting damage on spiral bevel gears duplex ball bearings and spiral bevel pinion triplex ball bearings in a main rotor transmission. |
| File Size | 371586 |
| Page Count | 26 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20040191330 |
| Archival Resource Key | ark:/13960/t6n063m79 |
| Language | English |
| Publisher Date | 2004-11-01 |
| Access Restriction | Open |
| Subject Keyword | Aeronautics (general) Vibration Ball Bearings Spiral Bevel Gears Decision Making Fatigue Materials Vibration Measurement Detection Damage Transmissions Machine Elements Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
