01985nam 2200529 a 450 991070178220332120120515090942.0(CKB)5470000002420273(OCoLC)793596040(EXLCZ)99547000000242027320120515d2011 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierPlanetary gearbox fault detection using vibration separation techniques[electronic resource] /David G. Lewicki ... [and others] ; prepared for the 67th Annual Forum and Technology Display (Forum 67) sponsored by the American Helicopter Society (AHS), Virginia Beach, Virginia, May 3-5, 2011Cleveland, Ohio :National Aeronautics and Space Administration, Glenn Research Center,[2011]1 online resource (14 pages) color illustrationsNASA/TM ;2011-217127Title from title screen (viewed on May 15, 2012)."November 2011.""AHS2011-000134."Includes bibliographical references (pages 13-14).CracksnasatFault detectionnasatGear teethnasatRotary wingsnasatTransmissions (machine elements)nasatVibrationnasatBearingsnasatCracks.Fault detection.Gear teeth.Rotary wings.Transmissions (machine elements)Vibration.Bearings.Lewicki David G1397913NASA Glenn Research Center.AHS Forum and Technology Display(67th :2011 :Virginia Beach, Va.)GPOGPOBOOK9910701782203321Planetary gearbox fault detection using vibration separation techniques3467747UNINA