Method for controlling a continuous rotation miniature motor
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United States of America Patent
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Mar 7, 2000
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N/A
app pub date -
Jun 16, 1998
filing date -
Jun 24, 1997
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Abstract
The invention concerns a method for controlling a continuous rotation miniature motor including a rotor carrying permanent magnets and a stator carrying at least one coil in which an alternating induced voltage is generated when the rotor rotates, this method consisting in maintaining the rotation of said rotor by successive pulses (102) supplied, in respective half periods of the induced voltage (U.sub.i), before the induced voltage reaches a maximum absolute value in each of these half periods. In particular, the time interval (t.sub.1) between a passage through zero of the induced voltage and the beginning of a maintenance pulse (102), provided in the half period following said passage through zero, is constant.
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