Direct current motor commutation control

Details Direct current motor commutation control Direct current motor commutation control

1988-07-11

1989-11-21

Ro, Bentsu

Electricity: motive power systems

Switched reluctance motor commutation control

318138, H02K 2914

Patent

active

048825239

ABSTRACT:
A method and circuit arrangement for controlling the commutation of coil sets of a direct current motor with a fixed sensor, in which a sensor signal (S1) having a first period (T1) related to the speed of rotation of the motor rotor is generated during each revolution of the rotor, including the steps of: producing a control signal having a period equal to the sum of the first period (T1) and a second period (T2) proportional to the first period (T1); and at the end of the period of the control signal, starting commutation of a first one of the coil sets.

REFERENCES:
patent: 4151449 (1979-04-01), Takahashi
patent: 4692674 (1987-09-01), Packard et al.
patent: 4700115 (1987-10-01), Gleim et al.

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