| 摘要 |
An electronic device for starting and controlling a permanent-magnet synchronous motor, comprising logic control means (2), at least one switch (3) arranged in series between an external power source (4) and a permanent-magnet synchronous motor (5), and sensor means (6) suitable to determine the polarity and position of the rotor of the motor, the logic control means (2) being suitable to send a driving signal (9) to the at least one switch (3) as a function of a position signal that arrives from the sensor means (6) and of a synchronization signal that arrives from the external power source, the logic control means (2) comprising processing and filtering means (12) that are suitable to determine a phase shift of the position signal as a function of the rotation rate of the rotor and of the specific application. <IMAGE> <IMAGE> |
