Brushless motor control device and disc apparatus using the...

Details Brushless motor control device and disc apparatus using the... Brushless motor control device and disc apparatus using the...

2006-09-19

2006-09-19

Duda, Rina (Department: 2837)

Electricity: motive power systems

Switched reluctance motor commutation control

C318S139000, C318S434000, C318S560000

Reexamination Certificate

active

07109672

ABSTRACT:
A brushless motor control device includes a brushless motor including a rotor magnet and a stator coil; rotor position detection means for detecting positions of a plurality of magnetic poles of the rotor magnet; vibration detection means for detecting an unnecessary vibration of the brushless motor when the brushless motor is rotating; lead angle setting means for setting a magnitude of a lead angle such that a first output from the vibration detection means does not exceed a prescribed tolerable value; and lead angle correction means for providing the lead angle to a third output, from the rotor position detection means, in accordance with a second output from the lead angle setting means, so as to generate a translocation timing of a driving current to the stator coil.

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patent: 6411057 (2002-06-01), Gotou
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patent: 6-276786 (1994-09-01), None
patent: 10-127086 (1998-05-01), None
patent: 2002-60114 (2002-02-01), None

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