SIX DEGREES OF FREEDOM DIRECT DRIVE INDUCTION MOTOR APPARATUS AND METHOD

摘要

A direct drive induction motor apparatus (10) featuring six degrees of freedom comprises a conductor plate (16) and a rotor (12). The rotor is moveably coupled with respect to the conductor plate via a direct drive repulsive force configuration. The rotor includes a principal member having a number of N linear induction motors (20,22,24) arranged proximate side edges thereof, where N is an integer number greater than or equal to three. Each of the linear induction motors comprises a plurality of electromagnets (14), wherein responsive to an application of AC control currents of three different phases, the plurality of electromagnets of each linear induction motor produce both thrust force and normal force for realizing six degrees of freedom.