Torque loop control system and method

Details Torque loop control system and method Torque loop control system and method

1982-07-23

1984-11-06

Witkowski, S. J.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02K 2904

Patent

active

044814534

ABSTRACT:
The present invention is a torque loop control system for reducing the angular position error in a microstepping motor movement when the motor is under a torsional load comprising means for sensing the torsional load on a microstepping motor and producing a sensor output signal indicative of the torsional load, means for receiving and summing an input signal indicative of the desired position of the microstepping motor and the sensor output signal and for producing as an output signal a corrected position signal, and means responsive to the corrected position signal for developing a drive signal for the microstepping motor.

REFERENCES:
patent: 4056763 (1977-11-01), Debrie et al.
patent: 4349771 (1982-09-01), Buxton

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