| A coreless motor provides advantages, such as a reduction in torque ripple
and inertia, because the rotor does not have an iron core. A coreless motor
can also reach higher speeds because there is no iron loss.While a coreless
motor has both superior response and control, the manufacturing costs increase
to improve miniaturization and performance as they require materials such
as costly magnets.Therefore, examination through the magnetic field analysis
becomes more advantageous as various innovations to lower the costs of
manufacturing small, high-performance motors are necessary. This example
presents the use of the magnetic field analysis to obtain the torque waveform
amplitude of a coreless motor. |