G - Physics – 05 – B
Patent
G - Physics
05
B
318/20, 318/6
G05B 19/40 (2006.01)
Patent
CA 1096438
ABSTRACT OF THE DISCLOSURE Disclosed is a stepping motor control utilizing a microprocessor The control is suitable for driving one or more stepping motors one at a time or in unison. In the illustrated embodiment when plural motors are driven together they are driven at the same rate although several of the features of the invention are suitable for use in cir- cuits providing contouring control; i.e., where separate motors are driven at separate stepping rates proportional to the relative dis- tances each is to traverse for a single movement. An acceleration/ deceleration circuit is utilized which provides simple yet highly accurate and efficient control of the stepping motors. Feed rate compensation for simultaneous drive of two motors is provided. Also a means is provided to allow stepping rates in excess of the counting rate capability of the microprocessor.
284526
Dana Corporation
Ridout & Maybee Llp
LandOfFree
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