Linear state-feedback control of a boost converter for large-signal stability

Leyva, R.; Martínez-Salamero, L.; Valderrama-Blavi, Hugo; Maixe, J.; Giral, Roberto; Guinjoan, F.

doi:10.1109/81.917979

Cited by 42 publications

(15 citation statements)

References 5 publications

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“…The resulting system is non-linear, therefore, it must be linealized [8,9]. For that matter, the equilibrium point is found when derivatives (11) to (13) are null:…”

Section: Modeling Of the Pv System Considering Bulkmentioning

confidence: 99%

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Modeling and control of grid-connected photovoltaic systems for 100 Hz oscillations mitigation

González

Ramos‐Paja

Carrejo

et al. 2011

2011 IEEE Second Latin American Symposium on Circuits and Systems (LASCAS)

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In grid-connected Photovoltaic (PV) applications, DClinks based on large electrolytic capacitors are used to attenuate voltage oscillations caused by the sinusoidal power injection into the grid, where the electrolytic capacitors introduce reliability problems. This paper proposes the unified modeling of the complete PV system in typical grid-connected operation conditions to design control strategies that mitigate the DC-link voltage oscillations as well as irradiance disturbances caused by environmental perturbations, it making feasible the use of nonelectrolytic capacitors. The developed control strategy has been associated with a maximum power point tracking technique to maximize the power produced by the PV panel, evaluating the system performance using analytical and simulation results.

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“…The resulting system is non-linear, therefore, it must be linealized [8,9]. For that matter, the equilibrium point is found when derivatives (11) to (13) are null:…”

Section: Modeling Of the Pv System Considering Bulkmentioning

confidence: 99%

“…Applying inductor volt-second balance (average model) to the previous systems, A and B matrices are found [8]:…”

Section: Modeling Of the Pv System Considering Bulkmentioning

confidence: 99%

Modeling and control of grid-connected photovoltaic systems for 100 Hz oscillations mitigation

González

Ramos‐Paja

Carrejo

et al. 2011

2011 IEEE Second Latin American Symposium on Circuits and Systems (LASCAS)

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“…The resulting system is non-linear, therefore, it must be linearized [7]. For that matter, the system equilibrium point is found:…”

Section: Modeling Of the Pv Systemmentioning

confidence: 99%

Automatic Parameters Calculation of Controllers for Photovoltaic dc/dc Converters

Arango

Ramos‐Paja

González

et al. 2011

Electrical Engineering and Control

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Abstract. In the photovoltaic (PV) systems, the main objective of the control strategy is to extract the maximum power from the source; usually such objective is obtained by combining the action of the MPPT algorithm with a voltage regulator used to attenuate the disturbances at the source terminals. This work proposes an automatic procedure for designing the parameters of the voltage compensation network by solving a set of two nonlinear equations in which, the system phase and gain margins are previously assigned. The method is based on the modeling of the complete PV system (source, converter and load) and takes into account the main parasitic components also. Thanks to this global approach, the design of control strategies to regulate the PV panel output voltage can be optimized. The method has been theoretically analyzed and validated by using PSIM simulations. The designed voltage control loop has been tested also together with a P&O MPPT algorithm in order to regulate the PV voltage in a double stage grid-connected inverter in presence of a wide voltage oscillation at the DC-bulk and with fast irradiance variation.

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“…If k c and λ are chosen sufficiently large, then the control law (14)- (15) ensures that the tracking errors v c (t) = v c (t) − v * c ,ĩ l (t) = i l (t) − i * l andũ(t) = u(t) − u * converge to zero where v c (t), i l (t) and u(t) are the solutions of equation (4), v * c is the specified output voltage, i * l and u * are given by (16).…”

Section: Propositionmentioning

confidence: 99%

“…The first approach consists in designing a robust linear controller. Robust linear state feedback have been designed in [16] using passivity and using LMI in [17][18][19][20]. These approaches necessarily involve a trade-off between performances and robustness since the structure of the controller is linear.…”

Section: Introductionmentioning

confidence: 99%

A Nonlinear State Feedback for DC/DC Boost Converters

Gehan

Pigeon

Ménard

et al. 2016

Journal of Dynamic Systems, Measurement, and Control

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This paper investigates the control problem for static boost type converters using an high gain state feedback robust controller incorporating an integral action. The robust feature allows to achieve the required performance in presence of parametric uncertainties, while the integral action provides an offset free performance with respect to the desired levels of voltage. The adopted high gain approach is motivated by both fundamental as well as practical considerations, namely the underlying fundamental potential and the design parameter specification simplicity. The stability and convergence analysis has been carried out using an adequate Lyapunov approach, and the control system calibration is achieved throughout a few design parameters which are closely related to the desired dynamical performances. The effectiveness of the proposed control approach has been corroborated by numerical simulations and probing experimental results. IntroductionThe control of static converters has been the subject of an important research activity over the past decades. This interest is mainly due to the emergence of embedded electronics in everyday life, increasing thereby the need for more efficient converters. Indeed, this type of converter is used for many applications such as laptop computers [1], photo-voltaic [2], vehicular systems [3], fuel cell [4], etc. Furthermore in recent use of electrical devices, the control problem is not the only feature required from the user. There are more and more need of informations on the evolution/aging of the system. In the case of converters, these informations can be obtained by reconstructing voltages and currents thanks to suitable observers.

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Linear state-feedback control of a boost converter for large-signal stability

Cited by 42 publications

References 5 publications

Modeling and control of grid-connected photovoltaic systems for 100 Hz oscillations mitigation

Modeling and control of grid-connected photovoltaic systems for 100 Hz oscillations mitigation

Automatic Parameters Calculation of Controllers for Photovoltaic dc/dc Converters

A Nonlinear State Feedback for DC/DC Boost Converters

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