Method to command and control the electric motor of an automation unit and connected system
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United States of America Patent
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Aug 2, 2016
Grant Date -
Aug 28, 2014
app pub date -
Oct 15, 2012
filing date -
Oct 13, 2011
priority date (Note) -
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Abstract
Method to command and control an electric motor of an automation unit. The unit comprises a mechanical member, driven by a drive shaft, a central command and control unit, and a position detection mean. The method provides that the central command and control unit receives the position signals of the shaft of the electric motor and/or of the mechanical member from the position detection mean, divides the operating cycle into a plurality of sub-phases equal with respect to each other, consisting of elementary units and, for each of said sub-phases, or multiple of sub-phases, selects predefined or self-learnt current reference values, and generates a signal consisting of an instantaneous current reference (feed forward) for the electric motor.
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