TY - GEN
T1 - A Novel Modified PLL-based Position Estimator in SynRMs Injection-based Sensorless Control
AU - Li, Yan
AU - Liu, Xiangdong
AU - Chen, Zhen
AU - Sun, Xiaoyong
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2023
Y1 - 2023
N2 - For the purpose of improving the dynamic performance of the injection-based sensorless control for synchronous reluctance machines, a novel phase-locked loop (PLL)-based position estimator has been proposed. The new estimator is modified from the conventional proportional-integral-based PLL by adding a feedforward path as a new control degree of freedom (DOF). Hence, the dynamic performance could be improved by designing the 2DOF controllers. One of the controllers could eliminate the adverse effect of the preceded filter, while the other dominates the cutoff frequency of the estimator. Therefore, the proposed estimator can be treated as a kind of first-order low pass filter with less 'aggressive' for position and speed tracking. Finally, the effectiveness of the proposed method has been verified on the simulations and experiments.
AB - For the purpose of improving the dynamic performance of the injection-based sensorless control for synchronous reluctance machines, a novel phase-locked loop (PLL)-based position estimator has been proposed. The new estimator is modified from the conventional proportional-integral-based PLL by adding a feedforward path as a new control degree of freedom (DOF). Hence, the dynamic performance could be improved by designing the 2DOF controllers. One of the controllers could eliminate the adverse effect of the preceded filter, while the other dominates the cutoff frequency of the estimator. Therefore, the proposed estimator can be treated as a kind of first-order low pass filter with less 'aggressive' for position and speed tracking. Finally, the effectiveness of the proposed method has been verified on the simulations and experiments.
KW - Phase-locked loop (PLL)
KW - position estimator
KW - sensorless control
KW - synchronous reluctance machine (SynRM)
UR - http://www.scopus.com/inward/record.url?scp=85182317093&partnerID=8YFLogxK
U2 - 10.1109/ICEMS59686.2023.10344504
DO - 10.1109/ICEMS59686.2023.10344504
M3 - Conference contribution
AN - SCOPUS:85182317093
T3 - 2023 26th International Conference on Electrical Machines and Systems, ICEMS 2023
SP - 2123
EP - 2128
BT - 2023 26th International Conference on Electrical Machines and Systems, ICEMS 2023
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 26th International Conference on Electrical Machines and Systems, ICEMS 2023
Y2 - 5 November 2023 through 8 November 2023
ER -