Ultrasonic Motor

GPTKB entity

Statements (33)
Predicate Object
gptkbp:instanceOf electric motor
gptkbp:advantage High Precision
No Electromagnetic Interference
Silent Operation
gptkbp:alternativeTo Electromagnetic Motor
gptkbp:application gptkb:robot
Medical Devices
Camera Autofocus
Precision Positioning
gptkbp:compatibleWith gptkb:Magnetic_Field
Reduction Gear
gptkbp:component gptkb:Rotor
gptkb:Stator
Piezoelectric Element
gptkbp:convertedTo Ultrasonic Energy to Mechanical Motion
gptkbp:feature Compact Size
Fast Response
Low Speed, High Torque
gptkbp:frequency 20 kHz to several MHz
https://www.w3.org/2000/01/rdf-schema#label Ultrasonic Motor
gptkbp:inventedBy 1980s
gptkbp:limitation Limited Power Output
Wear of Frictional Surfaces
gptkbp:requires High Frequency AC Power Supply
gptkbp:type gptkb:Standing_Wave_Motor
gptkb:Traveling_Wave_Motor
gptkbp:usedBy gptkb:Nikon
gptkb:Canon
gptkb:Sony
gptkbp:usedIn Autofocus Lenses
gptkbp:uses Ultrasonic Vibrations
gptkbp:bfsParent gptkb:USM
gptkbp:bfsLayer 6