Stepping motor controlling device
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United States of America Patent
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Jun 1, 2010
Issued Date -
N/A
app pub date -
Mar 15, 2007
filing date -
Mar 17, 2006
priority date (Note) -
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Abstract
A stepping motor controlling device according to the present invention includes lead angle computing means which computes a lead angle according to the load torque current deviation of the stepping motor, adding means which adds an angle command to the lead angle to determine a winding exciting angle and voltage applying means which applies a voltage according to the winding exciting angle to the stepping motor.
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