Stabilized stepping-motor system

Details Stabilized stepping-motor system Stabilized stepping-motor system

1980-06-06

1982-03-09

Dobeck, B.

Electricity: motive power systems

Open-loop stepping motor control systems

G05B 1940

Patent

active

043191754

ABSTRACT:
In the disclosed electro-mechanical system of a stepping motor and its control circuit, positive electrical damping is provided for avoiding loss of synchronism and loss of torque over the range of intermediate and high stepping frequencies by imposing a self-adjusting limit on the motor current over a period of time longer than any prominent period of parametric oscillation of the system and supplying current to the motor with a d-c supply having high impedance.

REFERENCES:
patent: 3684934 (1972-08-01), Loyzim
patent: 3967179 (1976-06-01), Loyzim
patent: 4025859 (1975-12-01), Smith

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