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EnglishDirect flux vector control (DFVC) has an unique advantage in facilitating flux-weakening operation due to the choice of controlled variables: stator flux linkage magnitude and torque producing current. However, the dynamics in stator flux oriented reference frame is heavily affected by the nonlinear cross-coupling between the two axes. This paper presents a nonlinear transformation method to decouple the axes for a uniform bandwidth at all operating points. Respect to the literature, the proposed transformation takes magnetic saturation into account without approximation. Furthermore, the auxiliary-flux and auxiliary-current vectors are introduced to design a new adaptive evaluation of maximum torque per ampere (MTPA) and maximum torque per volt (MTPV) control laws, enabling to track the optimal control laws without the need for pre-processed look-up-tables (LUTs). The proposed scheme is experimentally validated on a 1.1 kW synchronous reluctance (SyR) machine test bench.
Direct Flux Vector Control of Synchronous Motor Drives: Accurate Decoupled Control with Online Adaptive MTPA and MTPV Evaluation / Varatharajan, Anantaram; Pellegrino, Gianmario; Armando, Eric Giacomo. - In: IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS. - ISSN 0278-0046. - ELETTRONICO. - 69:2(2022), pp. 1235-1243. [10.1109/TIE.2021.3060665]
| Titolo: | Direct Flux Vector Control of Synchronous Motor Drives: Accurate Decoupled Control with Online Adaptive MTPA and MTPV Evaluation | |
| Autori: | ||
| Data di pubblicazione: | 2022 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/TIE.2021.3060665 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Final Version.pdf | Journal Article | 2. Post-print / Author's Accepted Manuscript | PUBBLICO - Tutti i diritti riservati | Visibile a tuttiVisualizza/Apri |
| Varatharajan-Direct.pdf | 2a Post-print versione editoriale / Version of Record | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
http://hdl.handle.net/11583/2872692
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