Stepping motor control system

Details Stepping motor control system Stepping motor control system

1985-01-14

1986-07-22

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

046021973

ABSTRACT:
A system and method for controlling the operation of a dc stepping motor utilized for positioning a read/write head on a magnetic data storage disk operates to selectively establish different magnetic field strengths on the core members of the stepping motor, thereby minimizing the time period required to stop the motor at precise, preselected positions.

REFERENCES:
patent: 4030132 (1977-07-01), Iffikar
patent: 4326635 (1982-05-01), Reilly
patent: 4383209 (1983-05-01), Lewis
patent: 4426608 (1984-01-01), Larson
patent: 4437049 (1984-03-01), Tullos et al.
patent: 4438380 (1984-03-01), Kaseta
patent: 4499510 (1985-02-01), Harding et al.

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