Automatic detection of a mechanically commutated DC motor
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United States of America Patent
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Jan 15, 2013
Grant Date -
Mar 15, 2012
app pub date -
Sep 16, 2011
filing date -
Mar 16, 2009
priority date (Note) -
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Abstract
In order to automatically detect a mechanically commutated DC motor, it is provided to acquire an electrical engine size, to determine current ripples in the engine size, to evaluate the amplitude, the duration and/or time position of the detected current ripples and to compare to known ripple patterns, and to choose from a known key data table a number of key data assigned to a certain engine type, when the amplitude, during and/or time position of the detected current ripples correspond to a ripple pattern, which is assigned to the engine type.
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