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S-band elliptical–cylindrical cavity resonator for material processing (2022)
Journal Article
Rodriguez, J., Ampuero, J., Valderrama, W., Buttress, A., Dodds, C., Kingman, S., & Carrasco, H. (2022). S-band elliptical–cylindrical cavity resonator for material processing. Microwave and Optical Technology Letters, 64(12), 2160-2164. https://doi.org/10.1002/mop.33431

The development of an elliptical–cylindrical cavity for microwave thermal processing of materials at high electric field strengths is reported. The design methodology based on numerical modeling is validated by experimental measurements. The system c... Read More about S-band elliptical–cylindrical cavity resonator for material processing.

Simultaneous conventional and microwave heating for the synthesis of adsorbents for CO2 capture: Comparative study to pristine technologies (2022)
Journal Article
Durán-Jiménez, G., Rodriguez, J., Kostas, E. T., Stevens, L. A., Lozada-Rodríguez, L., Binner, E., & Dodds, C. (2022). Simultaneous conventional and microwave heating for the synthesis of adsorbents for CO2 capture: Comparative study to pristine technologies. Chemical Engineering Journal, 438, Article 135549. https://doi.org/10.1016/j.cej.2022.135549

Microwave has become an attractive technology in the valorisation of renewable biomass and in the mitigation of challenges of climate change. In this work, the synergic effects of coupling microwave and mild conventional heating conditions has been i... Read More about Simultaneous conventional and microwave heating for the synthesis of adsorbents for CO2 capture: Comparative study to pristine technologies.

Microwave selective heating of electric arc furnace dust constituents toward sustainable recycling: Contribution of electric and magnetic fields (2021)
Journal Article
Altarawneh, S., Al-Harahsheh, M., Buttress, A., Dodds, C., Rodriguez, J., & Kingman, S. (2021). Microwave selective heating of electric arc furnace dust constituents toward sustainable recycling: Contribution of electric and magnetic fields. Journal of Industrial and Engineering Chemistry, 104, 521-528. https://doi.org/10.1016/j.jiec.2021.09.001

Microwave heating of waste electric arc furnace dust (EAFD) for the purpose of its remediation has been studied extensively. However, these studies considered EAFD as a bulk material without addressing either the relative response of its individual c... Read More about Microwave selective heating of electric arc furnace dust constituents toward sustainable recycling: Contribution of electric and magnetic fields.

A review of model predictive control strategies for matrix converters (2019)
Journal Article
Khosravi, M., Amirbande, M., Arab Khaburi, D., Rivera, M., Riveros, J., Rodriguez, J., …Wheeler, P. (2019). A review of model predictive control strategies for matrix converters. IET Power Electronics, 12(12), 3021-3032. https://doi.org/10.1049/iet-pel.2019.0212

Matrix converters are a well-known class of direct AC-AC power converter topologies that can be used in applications in which compact volume and low weight are necessary. For good performance, special attention should be paid to the control scheme us... Read More about A review of model predictive control strategies for matrix converters.

Pb(II) removal using carbon adsorbents prepared by hybrid heating system: Understanding the microwave heating by dielectric characterization and numerical simulation (2018)
Journal Article
Durán-Jiménez, G., Hernández-Montoya, V., Oyarzun, J. R., Montes-Morán, M. Á., & Binner, E. (2019). Pb(II) removal using carbon adsorbents prepared by hybrid heating system: Understanding the microwave heating by dielectric characterization and numerical simulation. Journal of Molecular Liquids, 277, 663-671. https://doi.org/10.1016/j.molliq.2018.12.143

This work studies the effect of microwaves in the synthesis of carbon adsorbents using pecan nutshell biomass as a precursor in a hybrid multimode microwave cavity avoiding the utilization of chemical activation or susceptors. The dielectric properti... Read More about Pb(II) removal using carbon adsorbents prepared by hybrid heating system: Understanding the microwave heating by dielectric characterization and numerical simulation.

Production of high purity silica by microfluidic-inclusion fracture using microwave pre-treatment (2018)
Journal Article
Buttress, A., Rodriguez, J., Ure, A., Ferrari, R., Dodds, C., & Kingman, S. (2019). Production of high purity silica by microfluidic-inclusion fracture using microwave pre-treatment. Minerals Engineering, 131, 407-419. https://doi.org/10.1016/j.mineng.2018.11.025

© 2018 Demand for high purity silica used in component manufacture is set to outstrip current supply in the near future. As such, alternative processing routes to feed-stock materials suitable for use in lighting and solar cell fabrication are requir... Read More about Production of high purity silica by microfluidic-inclusion fracture using microwave pre-treatment.

A Simple Current Control Strategy for a Four-Leg Indirect Matrix Converter (2014)
Journal Article
Garcia, C., Rivera, M., Lopez, M., Rodriguez, J., Pena, R., Wheeler, P., & Espinoza, J. (2015). A Simple Current Control Strategy for a Four-Leg Indirect Matrix Converter. IEEE Transactions on Power Electronics, 30(4), 2275-2287. https://doi.org/10.1109/tpel.2014.2321562

In this paper the experimental validation of a predictive current control strategy for a four-leg indirect matrix converter is presented. The four-leg indirect matrix converter can supply energy to an unbalanced three-phase load whilst providing a pa... Read More about A Simple Current Control Strategy for a Four-Leg Indirect Matrix Converter.

Model Predictive Control: A Review of Its Applications in Power Electronics (2014)
Journal Article
Vazquez, S., León, J., Franquelo, L., Rodriguez, J., Young, H. A., Marquez, A., & Zanchetta, P. (2014). Model Predictive Control: A Review of Its Applications in Power Electronics. IEEE Industrial Electronics Magazine, 8(1), 16-31. https://doi.org/10.1109/mie.2013.2290138

Model-based predictive control (MPC) for power converters and drives is a control technique that has gained attention in the research community. The main reason for this is that although MPC presents high computational burden, it can easily handle mu... Read More about Model Predictive Control: A Review of Its Applications in Power Electronics.

Millimeter-Wave Conical Fresnel Zone Lens of Flat Dielectric Rings (2014)
Journal Article
P. Kamburov, L., M. Rodriguez, J., R. Urumov, J., & D. Hristov, H. (2014). Millimeter-Wave Conical Fresnel Zone Lens of Flat Dielectric Rings. IEEE Transactions on Antennas and Propagation, 62(4), 2140-2148. https://doi.org/10.1109/tap.2014.2303165

Conical in shape Fresnel zone (CFZ) lens of flat dielectric rings is introduced and studied in this research. It is contrasted to a plane Fresnel zone (PFZ) lens, a CFZ lens of conical rings and a refractive plane-hyperbolic (PH) lens. For the same a... Read More about Millimeter-Wave Conical Fresnel Zone Lens of Flat Dielectric Rings.

Design Equation for Multidielectric Fresnel Zone Plate Lens (2012)
Journal Article
Hristov, H. D., & Rodriguez, J. M. (2012). Design Equation for Multidielectric Fresnel Zone Plate Lens. IEEE Microwave and Wireless Components Letters, 22(11), 574-576. https://doi.org/10.1109/lmwc.2012.2224099

A structural design equation for multidielectric Fresnel zone plate (ZP) lens is outlined in this letter. Based on this equation, multidielectric ZP lenses/lens antennas are studied numerically in the 30-50 GHz microwave band and contrasted to an ord... Read More about Design Equation for Multidielectric Fresnel Zone Plate Lens.

The grooved-dielectric Fresnel zone plate: An effective terahertz lens and antenna (2012)
Journal Article
Hristov, H., Rodriguez, J., & Grote, W. (2012). The grooved-dielectric Fresnel zone plate: An effective terahertz lens and antenna. Microwave and Optical Technology Letters, 54(6), 1343-1348. https://doi.org/10.1002/mop.26812

A number of microwave and terahertz grooved-dielectric Fresnel zone plate (FZP) and ordinary lenses and antennas are studed and compared numerically. Although the microwave (38 GHz) eight-step FZP lens is certainly inferior, the corresponding teraher... Read More about The grooved-dielectric Fresnel zone plate: An effective terahertz lens and antenna.