NASA NTRS · 19960022420
Detecting Faults In Helicopter Gearboxes By The MVIM Method
Abstract
Multivalued influence-matrix (MVIM) method potential utility as theoretical basis of proposed automated monitoring systems detecting faults in helicopter gearboxes. Applied to recognize patterns in vibration measurements. Fault-recognition system required to operate continuously while helicopter airborne, analyzing measurements of vibrations for signs of trouble to provide real-time warning of any dangerous or potentially dangerous fault like cracked case or fractured gear tooth. System also required not to give false alarms to prevent unnecessary emergency landings.
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Chin, Hsinyung, Danai, Kourosh, Lewicki, David G.. 1996-05-01. Detecting Faults In Helicopter Gearboxes By The MVIM Method. https://ntrs.nasa.gov/citations/19960022420
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