AUTHOR : Sung-Il Kim, Ji-Hyung Bhan, and Jung-Pyo Hong, Ki-Chae Lim
ORGANIZATION : 2006 IAS
JOURNAL :
YEAR : 2006. 10
VOL : CD
ISSUE :
PAGE : ~
Abstract—Interior PM synchronous motors (IPMSMs) are used
in many industrial and home appliance applications due to their
advantages. However, the torque ripple and cogging torque of
IPMSM are generally greater than those of surface permanent
magnet synchronous motor. Furthermore, the IPMSM with
concentrated winding is more disadvantageous than that with
distributed winding in the respects. The problems are generated
mainly by the discontinuous reluctance variation between the
rotor and stator. Therefore, this paper proposes an optimization
technique to reduce torque ripple and cogging torque without a
great change of the motor parameters in the initial designed
IPMSM. Moreover, the optimal models with respect to torque
ripple at the base and maximum speed and cogging torque are
compared with each other. In the end, response surface method
combined with experimental design is applied as an optimization
method, and the usefulness of the method is verified by the
simulation results based on finite element analysis.