Control circuit for driving motor with reduced power consumption

Details Control circuit for driving motor with reduced power consumption Control circuit for driving motor with reduced power consumption

1994-12-28

1997-05-13

Wysocki, Jonathan

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

Field control, or field and armature control, by analog...

318254, H02P 700

Patent

active

056300085

ABSTRACT:
A control circuit adapted to control a motor includes a first circuit part for generating an excitation current to be supplied to the motor and having a predetermined period that is dependent on a predetermined rotation period of the motor, and a second circuit part for superimposing on the excitation current pulses having a period that is small compared to the predetermined period of the excitation current.

REFERENCES:
patent: 4050006 (1977-09-01), Stich
patent: 4123692 (1978-10-01), Gilmore et al.
patent: 4628314 (1986-12-01), Morinaga et al.
patent: 5218704 (1993-06-01), Watts, Jr. et al.
patent: 5396635 (1995-03-01), Fung
patent: 5402200 (1995-03-01), Shrinkle et al.
patent: 5481178 (1996-01-01), Wilcox et al.

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