Title |
A Study on the Torque Ripple Reduction of Low Voltage High Current SPMSM |
Authors |
이근호(Lee, Geun-Ho) ; 홍정표(Hong, Jeong-Pyo) |
Keywords |
SPMSM ; Torque Ripple ; Magnetic Saturation ; Torque Ripple Reduction |
Abstract |
Active control schemes which modify the excitation to correct for any of the nonideal characteristics of the SPMSM is described. Especially, because of design limitations(size and cost) in automobile, the back-EMF of SPMSM can't be perfectly designed with sinusoidal wave and iron core of stator is saturated so that torque ripple is unavoidable. An active cancellation method of the pulsating torque components which would otherwise be generated using the classic sinusoidal current excitation is illustrated. |