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Analysis and Fault-Tolerant Control for Dual-Three-Phase PMSM Based on Virtual Healthy Model

Zheng, Boyuan; Zou, Jibin; Li, Bingjun; Tang, Mi; Xu, Yongxiang; Zanchetta, Pericle

Analysis and Fault-Tolerant Control for Dual-Three-Phase PMSM Based on Virtual Healthy Model Thumbnail


Boyuan Zheng

Jibin Zou

Bingjun Li

Mi Tang

Yongxiang Xu


Dual-three-phase permanent magnet synchronous machines (DTP-PMSMs) are famous for their fault-tolerant capability. However, the complex modeling, high copper loss, and torque ripple under postfault operation limit their further application. In this article, a fault-tolerant control (FTC) strategy is developed for DTP-PMSMs under the open-phase fault (OPF) with straightforward modeling and smooth output torque. The virtual healthy DTP-PMSM model, where the coordinate transformation, the modulation strategy, and the controller structure remain unchanged under OPF, is adopted in the proposed FTC scheme. And the current references are derived in sinusoidal waves with minimum copper loss. The inaccurate transmission of control signals under OPF is also focused on. Comprehensive theoretical analysis shows the relationship between the controller output voltage and the actual stator voltage should be considered in the proposed FTC strategy; otherwise, distortion in torque and current will be introduced. The voltage compensation is utilized to compensate for the voltage difference and ensure the smooth torque output. Besides, a quasi proportional resonance controller is designed to further suppress the residual torque ripple. The proposed strategy will not induce complex implementation and heavy computation burden. The simulation and experimental results prove the analysis and the effectiveness of the proposed strategy.


Zheng, B., Zou, J., Li, B., Tang, M., Xu, Y., & Zanchetta, P. (2022). Analysis and Fault-Tolerant Control for Dual-Three-Phase PMSM Based on Virtual Healthy Model. IEEE Transactions on Power Electronics, 37(12), 15411-15424.

Journal Article Type Article
Acceptance Date Jul 8, 2022
Online Publication Date Aug 17, 2022
Publication Date Dec 1, 2022
Deposit Date Dec 6, 2022
Publicly Available Date Dec 6, 2022
Journal IEEE Transactions on Power Electronics
Print ISSN 0885-8993
Electronic ISSN 1941-0107
Publisher Institute of Electrical and Electronics Engineers (IEEE)
Peer Reviewed Peer Reviewed
Volume 37
Issue 12
Pages 15411-15424
Keywords Electrical and Electronic Engineering
Public URL
Publisher URL
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