System and method for controlling a computer drive motor

Details System and method for controlling a computer drive motor System and method for controlling a computer drive motor

1993-07-16

1999-05-18

Ip, Paul

Electricity: motive power systems

Switched reluctance motor commutation control

318599, 364707, G06F1/00

Patent

active

059053470

ABSTRACT:
A battery powered computer system has a drive motor and a motor speed control. The motor speed control receives electrical power from an unregulated source in the computer, such as a battery. The motor speed control may include a pulse width modulator which pulsates received electric potential for use by the drive motor. The motor speed control may also contain control circuitry which controls the supply of pulsated electrical power to the drive motor. The control circuitry may also supply the pulsated voltage to the drive motor in duty cycles based on feedback from the drive motor to the control circuitry. For large voltage power supplies, the motor controller may have a voltage limiter to limit the maximum voltage from the power supply to the pulse width modulator.

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