Control circuit for a positioning device using a d-c motor

Details Control circuit for a positioning device using a d-c motor Control circuit for a positioning device using a d-c motor

1979-08-03

1982-02-09

Truhe, J. V.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318603, 318611, 318640, G05B 1929

Patent

active

043151990

ABSTRACT:
Disclosed is a control circuit of a positioning device for moving a member to be controlled to a predetermined position by using a d-c motor, in which there are used arithmetic circuit means for detecting a difference signal, to be converted to a driving signal of the motor, between the position detecting signal of the member and the reference signal of the predetermined position, and correcting circuit means coupled to the arithmetic circuit means for causing the difference signal to be small, whereby the motor is free from the hunting phenomenon.

REFERENCES:
patent: 3655957 (1972-04-01), McIntosh
patent: 3843915 (1974-10-01), Helmbold
patent: 4229684 (1980-10-01), Saglini et al.

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