A new active Hybrid-Series-Parallel PWM dimming scheme for off-line integrated LED drivers with high efficiency and fast dynamics. - Guirguis Z. Abdelmessih; J. Marcos Alonso (IAS, 2016)

SPICE-aided design of a variable inductor in LED driver applications. - J. Marcos Alonso; Marina S. Perdigão; Guirguis Z. Abdelmessih; Marco A. Dalla Costa; Yijie Wang 002 (IAS, 2016)

Loss analysis for efficiency improvement of the integrated buck-flyback converter for LED driving applications. - Guirguis Z. Abdelmessih; J. Marcos Alonso (IAS, 2017)

SPICE Modeling of Variable Inductors and Its Application to Single Inductor LED Driver Design. - José Marcos Alonso; Marina S. Perdigão; Guirguis Zaki Abdelmessih; Marco A. Dalla Costa; Yijie Wang 002 (IEEE Trans. Ind. Electron., 2017)

Solar Thermal Power in Egypt. - Sameh Elshafey; Mohamed Shehadeh; Seif Bayoumi; Juan Díaz 001; Alberto M. Pernia; Miguel A. Jose-Prieto; Guirguis Z. Abdelmessih (IAS, 2018)

High-Efficient High-Power-Factor Off-Line LED Driver based on Integrated Buck and Boost Converter. - Guirguis Z. Abdelmessih; J. Marcos Alonso; Wen-Tien Tsai; Marco A. Dalla Costa (IAS, 2019)

Electrolytic-Capacitor-less Off-Line LED Driver based on Integrated Parallel Buck-Boost and Boost Converter. - Guirguis Z. Abdelmessih; J. Marcos Alonso; Nelson da S. Spode; Marco A. Dalla Costa (IAS, 2020)

Generalized Analysis of Non-Isolated Integrated LED Drivers. - Jean S. Brand; Felipe Loose; Guirguis Z. Abdelmessih; Nelson da S. Spode; J. Marcos Alonso; Marco A. Dalla Costa (IAS, 2020)

Capacitance Reduction in Flicker-Free Integrated Offline LED Drivers. - Jean S. Brand; Guirguis Z. Abdelmessih; J. Marcos Alonso; Yijie Wang 002; Yueshi Guan; Marco A. Dalla Costa (IEEE Trans. Ind. Electron., 2021)

Reducing Low-Frequency Ripple Using Alternative Output Capacitor Connection on Integrated Converters for LED Drivers. - Nelson Spode; Marco A. Dalla Costa; Guirguis Z. Abdelmessih; J. Marcos Alonso; Renan R. Duarte (IAS, 2022)

Magnetically-Integrated Parallel Buck-Boost and Boost Converter as a High-Efficient High-Power-Density Off-Line LED Driver. - Guirguis Z. Abdelmessih; J. Marcos Alonso; Igor B. Barboza; Marco A. Dalla Costa (IAS, 2023)

Investigation of the Use of Switched Capacitor Converters as LED Drivers. - J. Marcos Alonso; Guirguis Z. Abdelmessih; Marco A. Dalla Costa; Yueshi Guan; Yijie Wang 002 (IAS, 2023)

Advanced Reduction in Power Redundant for Highefficient Electrolytic-Capacitor-Less Off-Line Led Driver. - Guirguis Z. Abdelmessih; J. Marcos Alonso; Cesar Acero Marquina; Douglas Camponogara; Marco Antonio Dalla Costa (IAS, 2024)

Single-Stage Versus Integrated LED Drivers: A Comparison. - J. Marcos Alonso; David Gacio; Guirguis Z. Abdelmessih; Ignacio M. Álvarez Díaz; Yijie Wang 002 (IAS, 2024)

A High Efficiency Standalone Street Led Lighting System. - Ignacio M. Álvarez; Guirguis Z. Abdelmessih; J. Marcos Alonso; Marco A. Dalla Costa; José Maria Cámara (IAS, 2024)

A New Variable Inductor with Integrated Magnetics for LED Driver Application: Modeling and Simulation. - Igor B. Barboza; Guirguis Z. Abdelmessih; Renan R. Duarte; J. Marcos Alonso; Maikel Fernando Menke; Marco A. Dalla Costa (IAS, 2025)