Direct current stepper motor with a permanent magnet rotor and e

Details Direct current stepper motor with a permanent magnet rotor and e Direct current stepper motor with a permanent magnet rotor and e

1978-09-22

1980-12-30

Dobeck, B.

Electricity: motive power systems

Open-loop stepping motor control systems

318368, G05B 1940

Patent

active

042426243

ABSTRACT:
During the positioning of a dc stepper motor equipped with a permanent magnet rotor and electronic commutation device, an additional braking moment is enabled through a time delay stage which is triggered by the commutation signals, and/or the desired value of the nominal current regulator current is reduced to a desired holding current value at the end of the delay of the time delay stage.

REFERENCES:
patent: 3628110 (1971-12-01), Cassaday
patent: 3736487 (1973-05-01), Cook
patent: 3753106 (1973-08-01), Brosens
patent: 3849714 (1974-11-01), Goretzki et al.
patent: 3953778 (1976-04-01), Bray
patent: 4136308 (1979-01-01), King

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