Anewmeasurementmethodfortherotationalmovementofgearundertransientstate-theapplicationtoanalyzegearnoiseduringacceleration；Aparametricstudyonthevibrationtransmissibilitycharacteristicsoftransmissionringgearstructure；Aprocedurefordeterminingtheefficiencyofacontinuouslyvariabletransmission；Activecontrolofgearnoiseusingmagneticbearingsforactuation
