Mobile QR Code QR CODE : The Korean Institute of Power Electronics
Title Study on Speed Ripple Reduction Algorithm in Sensorless Controlled IPMSM
Authors Song-Cheol Lee ; Young-Seok Jung
DOI 10.6113/TKPE/2016.21.3.249
Page pp.249-253
ISSN 1229-2214
Keywords Periodic speed ripple; Ripple reduction; Pulsation compensator; IPMSM; Sensorless control
Abstract In this study, a harmonic?pulsation?compensator (HPC) is presented to reduce a periodic speed ripple in IPMSM. A proportional-integral compensator in HPC is proposed instead of the existing integral compensator to reduce the speed ripple more rapidly. A formula to calculate a rotation angle is also proposed, making compensation optimal in sensored and sensorless controls. The validity of the proposed algorithm is verified by experiments.