Stabilizing circuit for stepping motors with unipolar self-decay

Details Stabilizing circuit for stepping motors with unipolar self-decay Stabilizing circuit for stepping motors with unipolar self-decay

1977-10-26

1980-09-02

Rubinson, Gene Z.

Electricity: motive power systems

Open-loop stepping motor control systems

H02K 3700

Patent

active

042209048

ABSTRACT:
The tendency of a unipolar energized stepping motor, having a circuit for enabling the self-decay of winding currents, to oscillate or flutter under some mid-velocity conditions is minimized by reducing the deviation of the motor's rotor from the synchronized position dictated by the energization of its winding by inversely altering the time about a nominal time when a change of the motor's energization is to occur after receipt of an input pulse in accordance with the extent of the decay current in the winding being deenergized.

REFERENCES:
patent: 3728598 (1973-04-01), May
patent: 4084122 (1978-04-01), Gettings

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