Quasi-Synchronous Operation of a Long-Stator Doubly Fed Linear Motor With Accurate Control of Both Propulsion and Contactless Power Transfer

In this article, a quasi-synchronous operation (QSO) of a doubly fed linear motor (DFLM) is proposed to achieve accurate regulation of both the propulsion and the contactless power transfer. A new control structure is proposed to achieve the loose coupling control between the stator side and the mov...

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Bibliographic Details
Published in:IEEE transactions on transportation electrification 2023-03, Vol.9 (1), p.689-698
Main Authors: Wang, Yeqin, Shao, Zhongshu, Zhong, Zaimin, Wang, Xiusen
Format: Article
Language:English
Subjects:
Contactless power transfer
Controllers
Coupling
Electric motors
Force
Frequency control
frequency coupling
Induction motors
Information transfer
long-stator doubly fed linear motor (DFLM)
Power transfer
Propulsion
propulsion control
quasi-synchronous operation (QSO)
Regulation
Stators
Synchronization
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Summary:In this article, a quasi-synchronous operation (QSO) of a doubly fed linear motor (DFLM) is proposed to achieve accurate regulation of both the propulsion and the contactless power transfer. A new control structure is proposed to achieve the loose coupling control between the stator side and the mover side, where the scalar control is used for the stator side controller (SSC), and the field-oriented control (FOC) is adopted for the mover side controller (MSC). The SSC and the MSC are with "frequency coupling," which enhances the reliability of the whole control system with less information exchange between the SSC and the MSC. The effectiveness of the proposed design is validated through both simulation and experimental studies.
ISSN:2332-7782
2577-4212
2332-7782
DOI:10.1109/TTE.2022.3187608