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Rotor Position Identification For Brushless Dc Motor, Muhammad Ikhlas
Rotor Position Identification For Brushless Dc Motor, Muhammad Ikhlas
Electronic Thesis and Dissertation Repository
Permanent magnet BLDC motors are characterized by a central magnetic core, called the rotor, and fixed electric coils (usually six) equally spaced in a ring around the core, called the stator. Motor movement is controlled by alternately energizing and de-energizing the stator coils to create a rotating magnetic field that propels the rotor. In order for this process to work correctly, BLDC motors required a technology called electronic commutation, in which the coil currents must be very carefully synchronized to rotor position to ensure that the rotating field is correctly aligned with the permanent magnetic field in the rotor. Usually …