Parametric current control for microstepping unipolar motor

Details Parametric current control for microstepping unipolar motor Parametric current control for microstepping unipolar motor

1989-10-26

1991-05-14

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, 361 27, 310 68C, 360 7813, H02P 800

Patent

active

050159372

ABSTRACT:
A unipolar motor control system includes motor current regulation derived from monitoring battery voltage and motor temperature. The monitored battery voltage and motor temperature are inputs to a microprocessor control which has one or more look-up tables for developing an appropriate scaling factor that adjusts the voltage across the motor coils so that proper current magnitude is delivered to the motor.

REFERENCES:
patent: 4721894 (1988-01-01), Graber
patent: 4731680 (1988-03-01), Moriyama et al.
patent: 4734847 (1988-03-01), Hunter
patent: 4926077 (1990-05-01), Gauthier et al.

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