Motor control method and device thereof

Details Motor control method and device thereof Motor control method and device thereof

2008-01-29

2008-01-29

Ip, Paul (Department: 2837)

Electricity: motive power systems

Plural diverse motor controls

Running-speed control

C318S434000, C318S599000, C318S603000, C388S811000, C315S247000

Reexamination Certificate

active

11472481

ABSTRACT:
A motor control method and device. The motor control device includes a programmable integrated circuit (IC) receiving a phase signal, the phase of which is consistent with the rotation phase of a coil of the motor. The programmable IC generates a duty-cycle signal in accordance with the period of the phase signal. The duty-cycle signal comprises a rising segment and a falling segment and when the phase signal changes phase, the duty cycle represented by the duty-cycle signal is a first duty cycle, allowing the input power of the motor remain at a minimum. The duty-cycle signal is input to the coil, controlling the coil on and off and, thereby rotating the motor.

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