Adaptive fuzzy fractional-order sliding-mode control of LCL-interfaced grid-connected converter with reduced-order

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dc.contributor.authorLong, Bo
dc.contributor.authorLu, PengJie
dc.contributor.authorZhan, Danny
dc.contributor.authorLu, Xin
dc.contributor.authorRodríguez, José
dc.contributor.authorGuerrero, Josep M.
dc.contributor.authorChong, Kil to
dc.date.accessioned2024-03-26T21:05:54Z
dc.date.available2024-03-26T21:05:54Z
dc.date.issued2023-01
dc.descriptionIndexación: Scopus.
dc.description.abstractThis paper proposes a discrete-time fuzzy fractional-order sliding-mode control (Fuzzy-FOSMC) dual loop current controller for a three-phase LCL-type grid-connected converter (GCC) with reduced order. Conventional sliding-mode control (SMC) has been widely used in GCC due to its robustness to disturbances. However, the chattering in SMC may reduce the tracking performance of the controller, and even lead to system instability. To solve this problem, a Fuzzy-FOSMC controller is proposed in this paper. The introduced fractional-order term can suppress the chattering, and the fractional-order of FOSMC is further adjusted by the fuzzy controller to improve the overall system performance. In addition, the inner loop is implemented by a Fuzzy-FOSMC controller to ensure the tracking of the converter-side current, making the LCL-GCC converter behave like a controllable current source converter with a capacitive-inductive filter, the grid current control problem falls from a third-order to a reduced order system, which solves some difficulties on the design of most controller types. The stability of the two-stage PV system is analyzed. Finally, the effectiveness of the proposed controller is verified by experiments. © 2022 ISA
dc.description.urihttps://www-sciencedirect-com.recursosbiblioteca.unab.cl/science/article/pii/S0019057822003329?via%3Dihub
dc.identifier.citationISA Transactions, Volume 132, Pages 557 - 572, January 2023
dc.identifier.doi10.1016/j.isatra.2022.06.022
dc.identifier.issn0019-0578
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/55336
dc.language.isoen
dc.publisherISA - Instrumentation, Systems, and Automation Society
dc.rights.licenseCC BY-NC-ND 4.0 DEED Atribución-NoComercial-SinDerivadas 4.0 Internacional
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subjectActive damping
dc.subjectDiscrete-time fuzzy fractional-order sliding mode control (Fuzzy-FOSMC)
dc.subjectLCL filter
dc.subjectQPR controller
dc.titleAdaptive fuzzy fractional-order sliding-mode control of LCL-interfaced grid-connected converter with reduced-order
dc.typeArtículo
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