Pulse width modulation d.c. servo motor driving circuit

Details Pulse width modulation d.c. servo motor driving circuit Pulse width modulation d.c. servo motor driving circuit

1983-11-02

1985-04-30

Witkowski, Stanley J.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

318257, 318563, 318681, H02P 122

Patent

active

045146667

ABSTRACT:
By using the fly-wheel current effectively, the d.c. servo motor current can be rapidly decreased when the circuit becomes non-driving state or the driving polarity is changed, and the inexpensive circuit of the high performance driving circuit, in which the form factor of the driving signal is improved, can be obtained.

REFERENCES:
patent: 3378740 (1968-04-01), Cruel
patent: 3883786 (1975-05-01), McNaughton et al.
patent: 3924168 (1975-12-01), Woodward
patent: 4204143 (1980-05-01), Coleman

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