System for controlling stepping motor for dividing a single step

Details System for controlling stepping motor for dividing a single step System for controlling stepping motor for dividing a single step

1995-11-03

1998-11-24

Wysocki, Jonathan

Electricity: motive power systems

Open-loop stepping motor control systems

318254, 318439, 318138, H02P 800

Patent

active

058412611

ABSTRACT:
A system for smoothly driving a stepping motor with constant currents. For that purpose, a voltage level setting circuit forms various combinations of voltage levels for a first phase and voltage levels for a second phase. Drive currents of the stepping motor are determined using the various combinations for a plurality of times during one step drive of the stepping motor.

REFERENCES:
patent: 3885210 (1975-05-01), Burnett
patent: 4121145 (1978-10-01), Talmadge
patent: 4490664 (1984-12-01), Moriguchi
patent: 4697129 (1987-09-01), Enami et al.
patent: 4757247 (1988-07-01), Ranger
patent: 5150030 (1992-09-01), Ito et al.
patent: 5216345 (1993-06-01), Everly

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