H - Electricity – 02 – P
Patent
H - Electricity
02
P
318/20
H02P 8/00 (2006.01) G05B 19/40 (2006.01) H02P 8/16 (2006.01)
Patent
CA 1114445
CONTROL SYSTEM FOR INDUCTIVELY CONTROLLED MULTIPHASE MOTOR Abstract of the Disclosure The present invention relates to a controller which moves an inductively controlled multiphase motor in a forward or reverse direction. The motion may be in steps or it may be a continuous rotation. A microprocessor under the control of a ROM operates through an integrated input/output device to provide control signals for the motor. A high level current is applied to the motor and is switched from phase to phase thereby causing the motor to rotate in a desired direction. The time between switching instants is preselected to result in a desired rotation velocity. When it is desired to stop the continuous rotation of the motor, the times between switching instants are gradually increased, thereby causing the motor to decelerate to a smooth stop.
274957
Everett Mickey H.
Flannigan J. Steven
Kirby Eades Gale Baker
Texas Instruments Incorporated
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