Drive control system for servo motor

Details Drive control system for servo motor Drive control system for servo motor

1995-12-27

1998-01-06

Ip, Paul

Electricity: motive power systems

Positional servo systems

Pulse-width modulated power input to motor

318603, H02P 500

Patent

active

057059071

ABSTRACT:
A drive control system for supplying a drive voltage to a DC servo motor. The drive control system includes a position detector for detecting a rotational position of the DC servo motor, and a controller which switches the drive mode of the DC servo motor from DC drive to PWM drive when a detected position value obtained by the position detector is within a predetermined amount of a value corresponding to a target stop position.

REFERENCES:
patent: 4270868 (1981-06-01), Morgan et al.
patent: 4482850 (1984-11-01), Sonoda et al.
patent: 4486692 (1984-12-01), Sonoda et al.
patent: 4794312 (1988-12-01), Kano et al.
patent: 5289097 (1994-02-01), Erickson et al.
patent: 5572105 (1996-11-01), Nojima et al.
patent: 5578911 (1996-11-01), Carter et al.

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