Self-correcting startup method based on rotor position detection for brushless motors
A rotor position, brushless motor technology, applied in the direction of electronic commutator, starting device, etc., can solve the problems of wrong determination of rotor position, failure to start, etc.
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[0039] The present invention will now be described in detail with reference to the accompanying drawings. The present invention is described by taking a single-phase brushless motor as an example to make the principle of the present invention easy to understand, but the description by taking a single-phase brushless motor as an example does not limit the practical application scope of the present invention to single-phase brushless motors. For motors, the method of the present invention is also applicable to multi-phase brushless motors, and multi-phase brushless motors are also within the scope of the present invention.
[0040] figure 1 A block diagram showing the internal structure of a single-phase brushless motor. Such as figure 1 As shown, the single-phase brushless motor generally consists of an electronic control system (not shown), a rotor position sensor 11 , a rotor 12 and a stator 13 in structure.
[0041] The rotor position sensor 11 can usually choose a magnet...
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