简介:One-dimensionalringpowersystemisdiscreditedtoanumberofnodeseachcontainingageneratorwithinternalreactanceandloadbranchofresistanceandreactancewithacertainpowerfactor.Whenadisturbanceoccursatanymachineinthepowersystem,simulativeanalysisisperformedtoverifyhowthevariationofloadpowerfactoraffectingthebehaviorofelectromechanicalwavepropagationbyusingtheMATLABpackage,fromwhichdifferentsituationsarepresentedanddiscussed.Theseresultsshowthetypeofloadhasnoeffectonthebehaviorofelectromechanicalwavepropagation.
简介:Theharmonicdriveisakindofgeartransmissionthatuseswavegeneratortoproducecontrollablesoftroundelasticdeformationandengageswithrigidgeartotransmitmotionandpower.Theloaddistributiononthesurfaceoftheflexiblegearandwavegeneratorisanimportantparameterofstudyingthedeformationofflexiblegearandflexiblebearingoutsidethewavegeneratorandisalsoanecessaryconditionforstudyingthefatiguedamageofflexiblegearunderalternatingload.Inthispaper,a3Dmodelof32-type80:1harmonicdriveisbuild.BasedonthegeneralizedHookelaw,ahypothesisofloaddistributionwhichisprovedtobevaliditybyusingfiniteelementsimulationisproposedontheinterfaceofflexiblegearandwavegenerator.Onthisbase,themathematicmodelandthequantitativecalculationformulaoftheloaddistributiononthesurfaceoftheflexiblegearandwavegeneratorareproposedwhichprovideabasisforthedynamicanalysisandthefatiguedamageofharmonicgeardrive.