EntityQ2274360· pop 6· linked from 26 articlesservo driveSign in to savespecial electronic amplifier used to power electric servomechanisms based on feedback signalsConnectionselectric currentEntityfrequencyEntitysensorEntityfeedbackEntitycomputer numerical controlEntityelectronic amplifierEntitycontrol theoryEntityservomotorEntityAC motorEntityarmatureEntityservomechanismEntitymotion controlEntityCategoriesControl devices