Search Results - "Ramirez, Roberto"

Abdominoplasty: Risk Factors, Complication Rates, and Safety of Combined Procedures by Winocour, Julian, Gupta, Varun, Ramirez, J. Roberto, Shack, R. Bruce, Grotting, James C., Higdon, K. Kye

“…Among aesthetic surgery procedures, abdominoplasty is associated with a higher complication rate, but previous studies are limited by small sample sizes or…”
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Can thermal intensification be considered a sustainable way for greening Fenton processes? by Ramírez-Díaz, Roberto-Carlos, Prato-Garcia, Dorian

“…Life cycle assessment and kinetic modeling were used to elucidate the impact of thermal intensification (TI) on resource consumption and the techno-economic…”
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FCS-MPC Without Steady-State Error Applied to a Grid-Connected Cascaded H-Bridge Multilevel Inverter by Baier, Carlos R., Ramirez, Roberto O., Marciel, Esteban I., Hernandez, Jesus C., Melin, Pedro E., Espinosa, Eduardo E.

“…Cascaded H-bridge multilevel (CHB-ML) inverters are an attractive alternative for supplying power to ac grids as they have high reliability and offer an…”
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A Novel Hybrid Finite Control Set Model Predictive Control Scheme With Reduced Switching by Ramirez, Roberto O., Espinoza, Jose R., Villarroel, Felipe, Maurelia, Eduardo, Reyes, Marcelo E.

“…This work presents a new control scheme based on a finite states Model Predictive Control aimed to fix the switching frequency and to reduce the spectrum…”
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Finite Control Set MPC with Fixed Switching Frequency Applied to a Grid Connected Single-Phase Cascade H-Bridge Inverter by Ramírez, Roberto O., Baier, Carlos R., Espinoza, José, Villarroel, Felipe

“…Finite control set model predictive control (FCS-MPC) has been widely investigated in recent years due to its ability to handle optimization problems with…”
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Identification of micro‐failure processes of HDPE‐henequen fiber composite material by using acoustic emission monitoring: Effect of fiber surface modification by Anaya‐Ramirez, Roberto Carlos, Rios‐Soberanis, Carlos Rolando, Herrera‐Franco, Pedro Jesus

“…It is well known that fiber‐matrix interface region is crucial to ensure an efficient stress transfer between matrix and reinforcement and that it controls the…”
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Improved Feedback Quantizer with Discrete Space Vector by Veillon, Matías, Espinosa, Eduardo, Melin, Pedro, Mirzaeva, Galina, Rivera, Marco, Baier, Carlos R, Ramirez, Roberto O

“…The use of advanced modulation and control schemes for power converters, such as a Feedback Quantizer and Predictive Control, is widely studied in the…”
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Effect of fiber surface treatments in HDPE-henequen short fiber-reinforced composites: Static characterization and fatigue by Anaya-Ramirez, Roberto Carlos, Rios-Soberanis, Carlos Rolando, Herrera-Franco, Pedro Jesus

“…Lately, lignocellulosic fibers have been used as reinforcement materials for different polymer-based composites due to their attractive physical and mechanical…”
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Interference effects in quantum-optical coherence tomography using spectrally engineered photon pairs by Graciano, Pablo Yepiz, Martínez, Alí Michel Angulo, Lopez-Mago, Dorilian, Castro-Olvera, Gustavo, Rosete-Aguilar, Martha, Garduño-Mejía, Jesús, Alarcón, Roberto Ramírez, Ramírez, Héctor Cruz, U’Ren, Alfred B.

“…Optical-coherence tomography (OCT) is a technique that employs light in order to measure the internal structure of semitransparent, e.g. biological, samples…”
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Stable Shortest Horizon FCS-MPC Output Voltage Control in Non-Minimum Phase Boost-Type Converters Based on Input-State Linearization by Villarroel, Felipe A., Espinoza, Jose R., Perez, Marcelo A., Ramirez, Roberto O., Baier, Carlos R., Sbarbaro, Daniel, Silva, Jose J., Reyes, Mauricio A.

“…Finite Control Set Model Predictive Control (FCS-MPC) is an alternative to conventional linear controllers in power converters due to its attractive properties…”
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Phenolic compounds profile in extracts of Smilax spp., antioxidant activity, and inhibition of advanced glycation end products by Valle-Sánchez, Sergio Luis, Rodríguez-Ramírez, Roberto, Ávila-Villa, Luz Angélica, Villa-Lerma, Alma Guadalupe, Wall-Medrano, Abraham, de la Rosa, Laura Alejandra, Muñoz-Bernal, Óscar Adrián, González-Córdova, Aarón Fernando, Arellano-Gil, Maritza

“…Smilax genus possesses bioactive properties attributed to phenolic compounds, which may exhibit antioxidant effects and inhibit the advanced glycation end…”
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Microbiology and Biochemistry of Pesticides Biodegradation by Guerrero Ramírez, José Roberto, Ibarra Muñoz, Lizbeth Alejandra, Balagurusamy, Nagamani, Frías Ramírez, José Ernesto, Alfaro Hernández, Leticia, Carrillo Campos, Javier

“…Pesticides are chemicals used in agriculture, forestry, and, to some extent, public health. As effective as they can be, due to the limited biodegradability…”
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Insights into functional mitral regurgitation using transillumination rendering by Ramirez, Roberto H., Ro, Richard, Lerakis, Stamatios, Argulian, Edgar

“…Secondary mitral regurgitation has been originally explained by tethering of the structurally normal mitral leaflets or by mitral annular dilation after atrial…”
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Feedback Quantizer Improved With Simplified Discrete Space Vector Modulation for Power Converters by Espinosa, Eduardo E., Veillon, Matias G., Rojas, Christian A., Hernandez, Jesus C., Melin, Pedro, Mirzaeva, Galina, Baier, Carlos R., Ramirez, Roberto O., Serra, Federico M., Arenas, Mauricio

“…In-depth research has been done in the literature on applying sophisticated modulation and control systems for power converters, such as Feedback Quantizer and…”
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Operation Assessment of a Hybrid Distribution Transformer Compensating for Voltage and Power Factor Using Predictive Control by Marciel, Esteban I., Baier, Carlos R., Ramírez, Roberto O., Muñoz, Carlos A., Pérez, Marcelo A., Arevalo, Mauricio

“…Hybrid Distribution Transformers (HDTs) offer a compelling alternative to traditional low-frequency transformers (LFTs), providing auxiliary services in…”
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A New Modulation Method for a 13-Level Asymmetric Inverter Toward Minimum THD by Espinosa, Eduardo E., Espinoza, Jose R., Melin, Pedro E., Ramirez, Roberto O., Villarroel, Felipe, Munoz, Javier A., Moran, Luis

“…An asymmetric inverter features different dc-link voltages for each power cell and depending on the dc voltage ratios, there are binary, trinary, etc.,…”
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A Hybrid FCS-MPC With Low and Fixed Switching Frequency Without Steady-State Error Applied to a Grid-Connected CHB Inverter by Ramirez, Roberto O., Baier, Carlos R., Villarroel, Felipe, Espinoza, Jose R., Pou, Josep, Rodriguez, Jose

“…This paper presents a new finite control set model predictive control strategy that, contrary to conventional approaches, achieves (i) zero steady-state error…”
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Reduction of DC Capacitor Size in Three-Phase Input/Single-Phase Output Power Cells of Multi-Cell Converters through Resonant and Predictive Control: A Characterization of Its Impact on the Operating Region by Ramírez, Roberto O., Baier, Carlos R., Villarroel, Felipe, Espinosa, Eduardo, Arevalo, Mauricio, Espinoza, Jose R.

“…Cascaded H-bridge drives require using a significant-size capacitor on each cell to deal with the oscillatory power generated by the H-bridge inverter in the…”
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Pioglitazone Modulates the Vascular Contractility in Hypertension by Interference with ET-1 Pathway by Palacios-Ramírez, Roberto, Hernanz, Raquel, Martín, Angela, Pérez-Girón, José V., Barrús, María T., González-Carnicero, Zoe, Aguado, Andrea, Jaisser, Frederic, Briones, Ana M., Salaices, Mercedes, Alonso, María J.

“…Endothelin-1 (ET-1) is an important modulator of the vascular tone and a proinflammatory molecule that contributes to the vascular damage observed in…”
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Chemical Composition and In Vitro Bioaccessibility of Antioxidant Phytochemicals from Selected Edible Nuts by Stevens-Barrón, Jazmín C, de la Rosa, Laura A, Wall-Medrano, Abraham, Álvarez-Parrilla, Emilio, Rodríguez-Ramirez, Roberto, Robles-Zepeda, Ramón E, Astiazaran-García, Humberto

“…The ultimate health benefits of peanuts and tree nuts partially depend on the effective gastrointestinal delivery of their phytochemicals. The chemical…”
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