All Outputs (17)

Solving the microwave heating uniformity conundrum for scalable high-temperature processes via a toroidal fluidised-bed reactor (2024)
Journal Article

Challenges exist to implementing high-temperature microwave processes with changing dielectric properties that achieve uniform processing. This paper presents a new high-temperature hybrid microwave processing system which overcomes these challenges... Read More about Solving the microwave heating uniformity conundrum for scalable high-temperature processes via a toroidal fluidised-bed reactor.

Microwave thermal pre-treatment and calcination of biomineralised sorbents for calcium looping (2024)
Journal Article

Waste eggshells have been investigated as biomineralised CO2 sorbents for the calcium looping cycle due to their high Ca content, low cost, availability, and high CO2 uptake. This work investigates a novel heat-pre-treatment using eggshells as raw ma... Read More about Microwave thermal pre-treatment and calcination of biomineralised sorbents for calcium looping.

Microwave pyrolysis of waste biomass and synthesis of micro-mesoporous activated carbons: The role of textural properties for CO2 and textile dye adsorption (2024)
Journal Article

Hierarchical porous activated carbons (ACs) were efficiently synthesized in less than 2 min using microwaves and phosphoric acid (H3PO4), exhibiting excellent potential as adsorbent for carbon dioxide (CO2) and Methylene Blue (MB). The method emphasi... Read More about Microwave pyrolysis of waste biomass and synthesis of micro-mesoporous activated carbons: The role of textural properties for CO2 and textile dye adsorption.

An Improved Model Predictive Torque Control for PMSM Drives Based on Discrete Space Vector Modulation (2023)
Journal Article

In this article, an improved model predictive torque control (MPTC) method based on discrete space vector modulation (DSVM) is proposed for permanent magnet synchronous motor (PMSM) drives. Aiming at solving the two problems of large torque ripples a... Read More about An Improved Model Predictive Torque Control for PMSM Drives Based on Discrete Space Vector Modulation.

S-band elliptical–cylindrical cavity resonator for material processing (2022)
Journal Article

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

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

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

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

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

© 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.

Predictive current control with instantaneous reactive power minimization for a four-leg indirect matrix converter (2016)
Journal Article

This paper presents the experimental valida¬tion of a predictive current control strategy with minimiza¬tion of the instantaneous reactive input power for a Four-Leg Indirect Matrix Converter (4Leg-IMC). The topology includes an input matrix converte... Read More about Predictive current control with instantaneous reactive power minimization for a four-leg indirect matrix converter.

A Simple Current Control Strategy for a Four-Leg Indirect Matrix Converter (2014)
Journal Article

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

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

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.

Cascade-free predictive speed control for electrical drives (2013)
Journal Article

This paper presents the design of a predictive speed controller for electrical drives. The control scheme does not have a cascaded structure; instead, it uses a single optimization algorithm to generate the control action to be applied at the next sa... Read More about Cascade-free predictive speed control for electrical drives.

Design Equation for Multidielectric Fresnel Zone Plate Lens (2012)
Journal Article

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

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.