TY - GEN
T1 - Improved Sliding Mode Observer for Position Sensorless Control of Permanent Magnet Synchronous Motor
AU - An, Quntao
AU - An, Qi
AU - Liu, Xingya
AU - Zhang, Jianqiu
AU - Bi, Kaitao
N1 - Publisher Copyright:
© 2018 IEEE.
PY - 2018/8/10
Y1 - 2018/8/10
N2 - This paper proposes an improved sliding-mode observer (SMO) for the sensorless control of permanent-magnet synchronous motor (PMSM). In the conventional SMO, a lowpass filter (LPF) is used to reduce the chattering caused by the signum function. That will bring the phase lag and affect the precision of the observer. The improved SMO adopts the self-adapting complex-coefficient filter (SACCF) to replace the LPF. The SACCF has no phase lag and amplitude attenuation at the mid-frequency. Thus, it can extract the back electromotive force (EMF) without distortions while suppressing the chattering. Then the improved SMO use the normalized phase-locked loop (PLL) to track the rotor position and speed accurately. Finally, the simulations and experiments are carried out with a 3kW PMSM, and the results verify the effectiveness of the proposed method.
AB - This paper proposes an improved sliding-mode observer (SMO) for the sensorless control of permanent-magnet synchronous motor (PMSM). In the conventional SMO, a lowpass filter (LPF) is used to reduce the chattering caused by the signum function. That will bring the phase lag and affect the precision of the observer. The improved SMO adopts the self-adapting complex-coefficient filter (SACCF) to replace the LPF. The SACCF has no phase lag and amplitude attenuation at the mid-frequency. Thus, it can extract the back electromotive force (EMF) without distortions while suppressing the chattering. Then the improved SMO use the normalized phase-locked loop (PLL) to track the rotor position and speed accurately. Finally, the simulations and experiments are carried out with a 3kW PMSM, and the results verify the effectiveness of the proposed method.
KW - improved sliding-mode observer
KW - normalized phase-locked loop
KW - permanent-magnet synchronous motor
KW - self-adapting complex-coefficient filter
KW - sensorless control
UR - https://www.scopus.com/pages/publications/85052509239
U2 - 10.1109/ITEC-AP.2018.8433265
DO - 10.1109/ITEC-AP.2018.8433265
M3 - 会议稿件
AN - SCOPUS:85052509239
SN - 9781538657829
T3 - ITEC Asia-Pacific 2018 - 2018 IEEE Transportation Electrification Conference and Expo, Asia-Pacific: E-Mobility: A Journey from Now and Beyond
BT - ITEC Asia-Pacific 2018 - 2018 IEEE Transportation Electrification Conference and Expo, Asia-Pacific
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2018 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2018
Y2 - 6 June 2018 through 9 June 2018
ER -