Search Results - "GIRAL, R"

A Noninverting Buck-Boost DC-DC Switching Converter With High Efficiency and Wide Bandwidth by Restrepo, C., Calvente, J., Cid-Pastor, A., Aroudi, A. E., Giral, R.

“…A novel dc-dc switching converter consisting of a boost stage cascaded with a buck converter with their coils magnetically coupled is presented. The disclosed…”
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Synthesis of loss-free resistors based on sliding-mode control and its applications in power processing by Cid-Pastor, A., Martinez-Salamero, L., El Aroudi, A., Giral, R., Calvente, J., Leyva, R.

“…A systematic procedure to synthesize loss-free resistors (LFRs) based on sliding-mode control (SMC) of DC–DC switching converters is presented. Candidates for…”
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A Large-Signal Model for a Peak Current Mode Controlled Boost Converter With Constant Power Loads by El Aroudi, A., Haroun, R., Al-Numay, M., Calvente, J., Giral, R.

“…A large-signal averaged model is obtained to analyze the startup response of a boost converter loaded with a constant power load (CPL) and a peak current mode…”
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Current-Mode Control of a Coupled-Inductor Buck-Boost DC-DC Switching Converter by Restrepo, C., Calvente, J., Romero, A., Vidal-Idiarte, E., Giral, R.

“…This paper deepens in the study of the recently described coupled-inductor buck-boost converter. The output voltage of this dc-dc converter can be regulated…”
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Fast Transitions Between Current Control Loops of the Coupled-Inductor Buck-Boost DC-DC Switching Converter by Restrepo, C., Konjedic, T., Calvente, J., Milanovic, M., Giral, R.

“…An already published current control strategy for the coupled-inductor buck-boost converter is able to change its aim from controlling the input current to…”
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Minimum Fuel Consumption Strategy for PEM Fuel Cells by Ramos-Paja, C.A., Bordons, C., Romero, A., Giral, R., Martinez-Salamero, L.

“…This paper proposes a proton exchange membrane fuel cell control strategy to produce the power requested by an electrical load, minimizing the fuel consumption…”
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Prediction of subharmonic oscillation in switching regulators: from a slope to a ripple standpoint by El Aroudi, A., Al-Numay, M., Calvente, J., Giral, R., Rodriguez, E., Alarcón, E.

“…New exact critical conditions for predicting subharmonic instability in switching regulators are approximated by simple design-oriented expressions valid under…”
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Mathematical analysis of hybrid topologies efficiency for PEM fuel cell power systems design by Ramos-Paja, C.A., Romero, A., Giral, R., Calvente, J., Martinez-Salamero, L.

“…An efficiency mathematical analysis of the commonly used series and parallel hybrid topologies in distributed generation systems (DGS) is presented. The…”
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Fuel cell emulator for oxygen excess ratio estimation on power electronics applications by Restrepo, C., Ramos-Paja, C.A., Giral, R., Calvente, J., Romero, A.

“…[Display omitted] ► A real-time fuel cell emulator is proposed. ► The emulator is useful to test devices to avoid fuel cell damages. ► Experimental results…”
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DC/DC pre-regulator for input current ripple reduction and efficiency improvement by Ramos-Paja, C.A., Arango, E., Giral, R., Saavedra-Montes, A.J., Carrejo, C.

“…[Display omitted] • A pre-regulator based on interleaved converters is proposed. • The pre-regulator improves efficiency and ripple of classical boost…”
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Modification of empiric antibiotic treatment in patients with pneumonia acquired in the intensive care unit by ALVAREZ-LERMA, F

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Reducing the hardware requirements in FPGAbased controllers: a photovoltaic application by C.A. Ramos-Paja, E. Mamarelis, G. Petrone, G. Spagnuolo, M. Vitelli, R. Giral

“…Single-phase grid connected photovoltaic systems suffer from voltage oscillations due to the difference between the average power produced by the source and…”
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Self-oscillating DC-to-DC switching converters with transformer characteristics by Martinez-Salamero, L., Valderrama-Blavi, H., Giral, R., Alonso, C., Estibals, B., Cid-Pastor, A.

“…Fourth-order converters with both input and output filters are analyzed in self-oscillating sliding mode. The boost converter with output filter and the Cuk…”
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Interleaved converters operation based on CMC by Giral, R., Martinez-Salamero, L., Singer, S.

“…A new family of low-ripple DC-to-DC switching converters based on a parallel connection of N-identical boost converters with current-mode control (CMC) is…”
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Improved Design of Sliding-Mode Controllers Based on the Requirements of MPPT Techniques by Gonzalez Montoya, Daniel, Ramos-Paja, Carlos Andres, Giral, Roberto

“…In many grid-connected applications, a dc/dc switching converter is usually connected between the PV modules and the inverter. This paper presents an improved…”
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A ripple-mitigating pre-filter based on interleaved DC-DC boost converters by Ramos-Paja, C A, Carrejo, C, Saavedra, A, Ramirez, I, Paniagua, L, Giral, R, Alonso, C

“…An efficient pre-filter based on interleaved DC-DC boost switching converters to mitigate high-frequency harmonics injection to power sources is proposed. The…”
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Hysteretic Transition Method for Avoiding the Dead-Zone Effect and Subharmonics in a Noninverting Buck-Boost Converter by Restrepo, Carlos, Konjedic, Tine, Calvente, Javier, Giral, Roberto

“…A new hysteresis window method is proposed as a solution for avoiding the operational dead zone that exists at the transition between buck and boost operating…”
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A Fast Current-Based MPPT Technique Employing Sliding Mode Control by Bianconi, E., Calvente, J., Giral, R., Mamarelis, E., Petrone, G., Ramos-Paja, C. A., Spagnuolo, G., Vitelli, M.

“…This paper introduces a novel maximum power point tracking (MPPT) technique aimed at maximizing the power produced by photovoltaic (PV) systems. The largest…”
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Macroscopic growth of filamentous fungi on solid substrate explained by a microscopic approach by Ferret, E., Siméon, J. H., Molin, P., Jorquera, H., Acuña, G., Giral, R.

“…A quantitative model predicting biomass growth on solid media has been developed. The model takes into account steric interactions between hyphae and tips at…”
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Why is sliding mode control methodology needed for power converters? by Martinez-Salamero, L, Cid-Pastor, A, Giral, R, Calvente, J, Utkin, V

“…A review of the state of the art in the sliding-mode control of DC-to-DC switching converters is presented. The method of the equivalent control is illustrated…”
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