Artículo
Extended State Observer-Based Sliding-Mode Control for Three-Phase Power Converters
Autor/es | Liu, Jianxing
Vázquez Pérez, Sergio Wu, Ligang Márquez Alcaide, Abraham Gao, Huijun García Franquelo, Leopoldo |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Electrónica |
Fecha de publicación | 2017-01 |
Fecha de depósito | 2018-11-14 |
Publicado en |
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Resumen | This paper proposes an extended state observer (ESO) based second-order sliding-mode (SOSM) control for three-phase two-level grid-connected power converters. The proposed control technique forces the input currents to ... This paper proposes an extended state observer (ESO) based second-order sliding-mode (SOSM) control for three-phase two-level grid-connected power converters. The proposed control technique forces the input currents to track the desired values, which can indirectly regulate the output voltage while achieving a user-defined power factor. The presented approach has two control loops. A current control loop based on an SOSM and a dc-link voltage regulation loop which consists of an ESO plus SOSM. In this work, the load connected to the dc-link capacitor is considered as an external disturbance. An ESO is used to asymptotically reject this external disturbance. Therefore, its design is considered in the control law derivation to achieve a high performance. Theoretical analysis is given to show the closed-loop behavior of the proposed controller and experimental results are presented to validate the control algorithm under a real power converter prototype |
Cita | Liu, J., Vázquez, S., Wu, L., Márquez Alcaide, A. , Gao, H. y Franquelo, Leopoldo G. (2017). Extended State Observer-Based Sliding-Mode Control for Three-Phase Power Converters. IEEE Transactions on Industrial Electronics, 64 (1), 22-31. |
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