Motor control apparatus

Details Motor control apparatus Motor control apparatus

2006-11-08

2008-12-16

Masih, Karen (Department: 2837)

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

Armature control by digital or combined analog and digital...

C318S432000, C318S801000, C318S808000

Reexamination Certificate

active

07466906

ABSTRACT:
A motor control apparatus includes a target value computation device which computes a target value of a current to be passed through a motor, a current detection device which detects a current passed through the motor, a command value computation device which computes a command value to the motor based on a deviation between the target value and the current value, a motor drive circuit which drives the motor based on the command value, a boosting circuit which boosts a voltage supplied to the motor, a judgment device which judges whether the command value exceeds a predetermined threshold, a rate-of-charge computation device which computes a rate of change of the command value to time, and a boosting control device which controls an boosting operation of the boosting circuit based on a result of the judgment device and the rate of change of the command value.

REFERENCES:
patent: 509717 (1893-11-01), Brown et al.
patent: 5758741 (1998-06-01), Tomioka
patent: 6-51474 (1994-07-01), None
patent: 2003-153584 (2003-05-01), None
patent: 2003-200845 (2003-07-01), None
patent: 2005-51951 (2005-02-01), None

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