A two-degree-of-freedom structure-based backstepping observer for DC error suppression in sensorless PMSM drives

Y Shao, Y Yu, F Chai, T Chen - IEEE Transactions on Industrial …, 2021 - ieeexplore.ieee.org
The back-electromotive force (BEMF) model-based observer is an attractive sensorless
control strategy for permanent magnet synchronous motor (PMSM) drives. However, the …

High-order terminal sliding-mode observer for chattering suppression and finite-time convergence in sensorless SPMSM drives

B Wang, Y Shao, Y Yu, Q Dong… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Due to the advantages of strong robustness and fast convergence, the sliding-mode observer
(SMO) is considered as an effective approach for sensorless surface-mounted permanent …

Model-adaptive feedforward structure for enhanced dynamic response in srm current controller based on operating point transformation

Y Yu, Y Shao, F Chai - IEEE Transactions on Power Electronics, 2024 - ieeexplore.ieee.org
In switched reluctance motor (SRM) drives, the linear current controllers are widely employed
in the current loop due to their chattering-free operation and ease of implementation. …

Sequence-separation complex-vector observer in sensorless PMSM drives for BEMF trajectory optimization

Y Shao, F Chai - IEEE Transactions on Industrial Electronics, 2022 - ieeexplore.ieee.org
The back electromotive force (BEMF) based position estimation is attractive for sensorless
permanent magnet synchronous motor (PMSM) drives. However, it shows weak robustness …

Static-errorless position estimation for sensorless PMSM drives with enhanced robustness against the full-frequency domain disturbance

Y Yu, Y Shao, F Chai, M Cui - IEEE Transactions on Power …, 2021 - ieeexplore.ieee.org
The back-electromotive force (BEMF) model-based position estimation is attractive for
sensorless permanent magnet synchronous motor (PMSM) drives. However, the conventional …

Dual closed-loop position observer with nonlinearity-decoupled model for feature-flux-based sensorless SRM drives

Y Shao, Y Yu, F Chai - IEEE Transactions on Industrial …, 2023 - ieeexplore.ieee.org
The feature-flux-based sensorless drives are attractive for switched reluctance motor (SRM)
because of its simple implementation and high reliability. However, its low model utilization …

Sideband harmonic model considering sampling delay effect in the PMSM drives with regular sampled SVPWM technique under the low carrier frequency ratio

T Chen, Y Pei, F Chai, Y Shao - IEEE Transactions on Industrial …, 2022 - ieeexplore.ieee.org
Regular sampled space vector pulsewidth modulation is a widely implemented technique in
permanent magnet synchronous machine (PMSM) drives with the voltage-source inverter. …

Voltage Error Compensation Strategy for High-Speed SRM Drives using Five-Segment Switching Pattern

Y Shao, F Chai - … Conference and Expo, Asia-Pacific (ITEC …, 2024 - ieeexplore.ieee.org
To address the problem of output voltage lag in switched reluctance motors (SRM) drives
caused by the discrete modulation mode, This paper proposes a voltage error suppression …

An integral sliding mode back-emf observer for position-sensorless permanent magnet synchronous motor drives

Y Shao, B Wang, Y Yu, Q Dong… - 2019 22nd International …, 2019 - ieeexplore.ieee.org
The continuous reaching law is generally applied to reduce the chattering in sliding mode
observer for position-sensorless permanent magnet synchronous motor (PMSM) drives. …

Analysis of AC loss in high-speed switched reluctance motor for electric vehicle considering winding axial transposition

F Chai, Z Li, Y Pei, Y Shao, M Hu - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The 3-D finite element method (FEM) has been widely used for accurate analysis of winding
loss with winding axial transposition angle considered. However, its application is limited …