Stepping motor driver with mid-frequency stability control

Details Stepping motor driver with mid-frequency stability control Stepping motor driver with mid-frequency stability control

1985-05-23

1987-06-23

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

046755900

ABSTRACT:
In the disclosed stepping motor system a band pass filter extracts error signals from currents in a stepping motor driver, and a feedback system delays command pulses to the driver on the basis of the error signals. This suppresses mid-frequency instabilities in the operation of the stepping motor.

REFERENCES:
patent: 4455520 (1984-06-01), Ward et al.
patent: 4540928 (1985-09-01), Marhoefer

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