Resonant Control of a Single-Phase Full-Bridge Unity Power Factor Boost Rectifier

Costa-Castello,; Grino,; Fossas,

doi:10.1109/isic.2007.4359722

Cited by 5 publications

(3 citation statements)

References 4 publications

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“…De esta manera, un controlador por realimentación de estado para la planta (1)-(2) puede ser aplicado usando la estimación obtenida por medio del observador (10): (13) Donde K p corresponde con el vector de ganancias de realimentación de estado. La ley de control logra el rechazo de la perturbación por medio del término ˆk  C z , ver (11).…”

Section: Control Basado En Un Observador Resonanteunclassified

“…Como se muestra en esa propuesta, se asignan una ganancia y una fase a cada elemento resonador para obtener márgenes de estabilidad apropiados en un marco de diseño frecuencial. Otra opción de sintonización basada en pasividad se presenta en [12] y [13]. Sin embargo, en ninguno de estos casos la estabilidad del sistema es garantizada por construcción y se requieren de filtros adicionales para un correcto planteamiento del sistema de control.…”

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Discrete-Time Resonant Observer Based Control for Periodic Signal Rejection

Cortes

Ramos

Costa

2015

IEEE Latin Am. Trans.

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Abstract-Rejection of periodic signals has been a subject of great interest in control theory and engineering applications. Periodic disturbances are usually present in mechatronic, hydraulic and electronics systems, between others. This paper proposes a resonant observer-based control for periodic signal rejection. The observer includes, in an embedded way, an internal model of the disturbance that is based on its harmonic decomposition. The resulting disturbance estimation is used by a control law that cancels the periodic disturbance term while controlling a specified tracking task. The proposed scheme lets the control designer to address the disturbance estimation and tracking problems separately. Experimental results, on a mechatronic test bed, show that the proposed resonant observerbased control successfully rejects periodic disturbances.

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Section: Control Basado En Un Observador Resonanteunclassified

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Discrete-Time Resonant Observer Based Control for Periodic Signal Rejection

Cortes

Ramos

Costa

2015

IEEE Latin Am. Trans.

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“…As a consequence the time response has a very limited range of possibilities. In RC different possibilities exist, most relevant ones are AFC [14] and passivity [17, 18] based. In both cases, the stability is not completely guaranteed by construction and complementary elements must be checked or included.…”

Section: Introductionmentioning

confidence: 99%

Power active filter control based on a resonant disturbance observer

Fuentes¹,

Cortés‐Romero²,

Zou

et al. 2015

IET Power Electronics

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Active filters are power electronics devices used to eliminate harmonics from the distribution network. This article presents an active disturbance rejection control scheme for active filters. The controller is based on a linear disturbance observer combined with a disturbance rejection scheme. The parameter tuning is based on a combined pole placement and an optimal estimation based on Kalman-Bucy filter. Proposed scheme is validated through simulation and experimental work in an active filter. This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics (ISSN 1755-4535) [15] are the most popular ones. RC is usually applied using the plug-in architecture. In this architecture the closed-loop poles can be divided in two sets. The closed-loop poles without the repetitive controller and the closed-loop poles of the Repetitive controller which are approximately placed in a circle [16]. This architecture contains only one tuning parameter, k r ∈ (−1, 1), which allows to define the radius of the circle which contains the poles. As a consequence the time response has a very limited range of possibilities. In RC different possibilities exist, most relevant ones are AFC [14] and passivity [17], [18] based. In both cases, the stability is not completely guaranteed by construction and complementary elements must be checked or included. Although the time response can be analyzed [19], it is not clear how to design it. In both cases, Repetitive and Resonant control an input-output formulation is used, no disturbance estimation is directly obtained, no signal/noise relationship is analyzed and only limited time response design is possible.

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