Reactance-commutated high resolution servo motor system

Details Reactance-commutated high resolution servo motor system Reactance-commutated high resolution servo motor system

G - Physics

08

C

340/135.5

G08C 21/00 (2006.01) H02K 29/00 (2006.01) H02P 25/08 (2006.01)

Patent

CA 1222298

Abstract REACTANCE-COMMUTATED HIGH RESOLUTION SERVO MOTOR SYSTEM A synchro/resolver, preferably for use in combina- tion with an identically constructed servo motor, hav- ing an annular stator with circumferentially arranged poles, each with its own coil winding thereon, and with the coils being connected in phases, an annular rotor positioned adjacent to the stator so that a change in rotational position of the rotor changes the inductance of the coil windings as a function of the rotational position of the rotor, and a detecting circuit for sensing alternating current flowing in each coil phase and for amplifying the differences between the currents in each phase to produce a rotational position output signal for commutating the motor.

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