Stepper motor simulator device

Details Stepper motor simulator device Stepper motor simulator device

G - Physics

05

B

G05B 17/00 (2006.01) H02P 8/00 (2006.01) H02P 8/18 (2006.01)

Patent

CA 2041697

TITLE OF THE INVENTION Stepper motor simulator device TEXT OF THE ABSTRACT A control simulator device for a stepper motor (M2, M4) with N windings, comprises: - a digital signal generator stage (A, A') comprising: . a computation unit (12, 12') comprising a central unit (2) to which are connected an input/output peripheral device module (4) for use by a user, a memory module (3) and a clock module (8, 14, 14') of frequency f, . a plurality of at least N identical triggerable memory units (9) connected in parallel to the computation unit, controlled by the clock module and each driving an identical digital-to-analogue converter (10), said memory units being adapted to contain cyclic sequences of m signal values of period n, substantially identical from one memory unit to another except for an offset of n/4 representing one step, - an analogue power stage comprising a plurality of n identical voltage-current converters (11, 11') each connected to the output of a digital-to-analogue converter and adapted to have its output connected to one winding of said stepper motor, to apply thereto a signal of frequency f/n. (See figture 1B)

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