Closed loop positioner for a stepping motor driven by a buffered

Details Closed loop positioner for a stepping motor driven by a buffered Closed loop positioner for a stepping motor driven by a buffered

1978-07-31

1981-03-03

Dobeck, B.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318696, G05B 1940

Patent

active

042543703

ABSTRACT:
Disclosed is an apparatus and method for controlling the position of a stepping motor which is driven by a buffered translator. Commands calling for either forward or reverse motor steps are sent to the buffered translator, and the motor subsequently executes these commands. In order to determine if the motor executes all of the commands sent to the buffered translator, a signal representing the position the motor would assume if all of the commands were executed is compared to a signal representing the actual position of the motor. If they do not correspond, additional command pulses are caused to be generated to the buffered translator until the desired motor position is achieved.

REFERENCES:
patent: 3475667 (1969-10-01), Newell
patent: 4034277 (1977-07-01), Leenhouts
patent: 4072888 (1978-02-01), Bechtle et al.
patent: 4075544 (1978-02-01), Leenhouts

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