Apparatus and method for determining step motor drive pulse timi

Details Apparatus and method for determining step motor drive pulse timi Apparatus and method for determining step motor drive pulse timi

1980-06-30

1982-03-16

Rubinson, Gene Z.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318254, G05B 1940

Patent

active

043203302

ABSTRACT:
Step motor control in which a coded emitter disk is formed with a plurality of sensible secondary marks between each pair of primary motor step marks for use as different optional delay times for the generation of a motor advance pulse after a step mark is sensed. A circuit is disclosed to select predetermined ones of the secondary marks which will generate motor advance pulses in a closed loop system. This arrangement of secondary marks permits the elimination of circuits of fixed delays for feedback signals which are inappropriate when the motor load or temperature varies.

REFERENCES:
patent: 3863118 (1975-01-01), Lander et al.
patent: 4066941 (1978-01-01), Foster
patent: 4103216 (1978-07-01), Hayes

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