Stepping motor control apparatus

Details Stepping motor control apparatus Stepping motor control apparatus

1985-10-04

1987-07-28

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

046834087

ABSTRACT:
A stepping motor control apparatus comprises current computing means for computing a motor-coil exciting current corresponding to the holding position from a predetermined wave form pattern; micro step driving means for driving the stepping motor toward the final holding position through a micro step transfer distance shorter than a regular step transfer interval by exciting the motor-coil by application of the exciting current obtained from the computing means; and acceleration control means for controlling the stepping motor acceleration by switching on and/or off the exciting current of the motor-coil in accordance with an acceleration signal.

REFERENCES:
patent: 3345547 (1967-10-01), Dunne
patent: 4172990 (1979-10-01), Everett et al.
patent: 4277732 (1981-07-01), Hittel et al.
patent: 4465959 (1984-08-01), Yajima

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