Ragi A. Hamdy - Publications, H-index & Citations

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Ragi A. Hamdy

alexandria university

20H-index

137Paper Count

1.3KCitation Count

Published Papers 26

Publication Date

Knowledge-Guided Physics-Informed Hybrid Learning Framework for Uncertainty-Aware Digital Twin Modeling of Nonlinear Thermal Power Systems

Machine Learning and Knowledge Extraction

IF6

2026-08-14

OAAI

Shymaa Darwish; Mohamed Mohamed El-Habrouk; Ayman Samy Abdel-Khalik; Ragi Ali Rifaat Hamdy

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Hybrid Metaheuristic-Based Probabilistic Planning of Weak Power Grids with Renewable Generation and Hydrogen Energy Storage

Energies

IF3.2

2026-03-04

OAAI

Ayman Hussein Badawi; Mohamed M. Zakaria Moustafa; Mostafa S. Hamad; Ayman Samy Abdel-Khalik; Ragi A. R. Hamdy

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Contactless Power Transfer to Shaft-Mounted Loads via Multiphase Induction Machine With Decoupled Torque and Rotor Power Control

IEEE Transactions on Industrial Electronics

IF7.2

2025-08-01

PREAI

Abdelrahman Ismail; Mohamed G. Abdel-Moneim; Ayman S. Abdel-Khalik; Ragi A. Hamdy; Shehab Ahmed

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Self-excited wound rotor synchronous motors for electric vehicles: Techniques and multiphase winding design strategies

ALEXANDRIA ENGINEERING JOURNAL

IF6.8

2025-06-01

OAAI

Abdel-Wahed, AT; Abdel-Khalik, AS; Hamdy, RA; Hamad, MS; Ahmed, S

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Transfer of learning in convolutional neural networks for thermal image classification in Electrical Transformer Rooms

ALEXANDRIA ENGINEERING JOURNAL

IF6.8

2024-10-01

OAAI

Elgohary, Abdallah A.; Badr, Mohamed M.; Elmalhy, Noha A.; Hamdy, Ragi A.; Ahmed, Shehab; Mordi, Ahmed A.

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Transfer learning by fine-tuning pre-trained convolutional neural network architectures for switchgear fault detection using thermal imaging

ALEXANDRIA ENGINEERING JOURNAL

IF6.8

2024-09-01

OAAI

Mahmoud, Karim A. A.; Badr, Mohamed M.; Elmalhy, Noha A.; Hamdy, Ragi A.; Ahmed, Shehab; Mordi, Ahmed A.

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Model predictive and fuzzy logic-based flywheel system for efficient power control in microgrids with six-phase renewable energy integration and unequal power sharing

JOURNAL OF ENERGY STORAGE

IF9.8

2024-08-01

PREAI

El-Nagar, Mohammed; Farghly, Abdelrahman; Abdel-Khalik, Ayman S.; Hamdy, Ragi A.; Hamdan, Eman; Hamad, Mostafa S.; Ahmed, Shehab

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Single-Phase Charging of Six-Phase Integrated On-Board Battery Charger Using Predictive Current Control

IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION

IF8.3

2024-03-01

OAAI

Taha, Rawan A.; Abdel-Azim, Wessam E.; Shawier, Abdullah; Metwly, Mohamed Y.; Abdel-Khalik, Ayman Samy; Hamad, Mostafa S.; Hamdy, Ragi A.; Gadoue, Shady; Ahmed, Shehab

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Intelligent fault identification strategy of photovoltaic array based on ensemble self-training learning

SOLAR ENERGY

IF6.6

2023-01-01

PREAI

Badr, Mohamed M.; Abdel-Khalik, Ayman S.; Hamad, Mostafa S.; Hamdy, Ragi A.; Hamdan, Eman; Ahmed, Shehab; Elmalhy, Noha A.

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Predictive Current Control of Six-Phase IM-Based Nonisolated Integrated On-Board Battery Charger Under Different Winding Configurations

IEEE TRANSACTIONS ON POWER ELECTRONICS

IF6.5

2022-07-01

PREAI

Habib, Abdelrahman; Shawier, Abdullah; Abdel-Majeed, Mahmoud Said; Abdel-Khalik, Ayman Samy; Hamad, Mostafa S.; Hamdy, Ragi A.; Ahmed, Shehab

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Postfault Operation of Onboard Integrated Battery Charger via a Nine-Phase EV-Drive Train

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS

IF7.2

2021-07-01

PREAI

Abdel-Majeed, Mahmoud S.; Eldeeb, Hisham M.; Metwly, Mohamed Y.; Abdel-Khalik, Ayman S.; Hamad, Mostafa S.; Hamdy, Ragi A.; Ahmed, Shehab

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Fault Identification of Photovoltaic Array Based on Machine Learning Classifiers

IEEE ACCESS

IF3.6

2021-01-01

OAAI

Badr, Mohamed M.; Hamad, Mostafa S.; Abdel-Khalik, Ayman S.; Hamdy, Ragi A.; Ahmed, Shehab; Hamdan, Eman

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Improved Mathematical Modeling of Six Phase Induction Machines Based on Fractional Calculus

IEEE ACCESS

IF3.6

2021-01-01

OAAI

Shata, Ahmed M.; Abdel-Khalik, Ayman S.; Hamdy, Ragi A.; Mostafa, Mohamed Zakaria; Ahmed, Shehab

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Online monitoring and fault diagnosis and isolation of Valve Regulated Lead Acid batteries in Uninterruptible Power Supplies using decision trees

2020 11TH INTERNATIONAL RENEWABLE ENERGY CONGRESS (IREC)

IF0

2020-10-29

PREAI

Badawy, Ahmed; El-Habrouk, Mohamed; Hamdy, Ragi Ali Rifaat; Youssef, Karim Hassan

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Differential power processing for data centers applications: A comprehensive review

ALEXANDRIA ENGINEERING JOURNAL

IF6.8

2020-06-01

OAAI

Faiad, Azza A.; Hamdan, Eman; Hamad, Mostafa S.; Abdel-Khalik, Ayman S.; Hamdy, Ragi A.

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A Review of Integrated On-Board EV Battery Chargers: Advanced Topologies, Recent Developments and Optimal Selection of FSCW Slot/Pole Combination

IEEE ACCESS

IF3.6

2020-01-01

116

OAAI

Metwly, Mohamed Y.; Abdel-Majeed, Mahmoud S.; Abdel-Khalik, Ayman S.; Hamdy, Ragi A.; Hamad, Mostafa S.; Ahmed, Shehab

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Postfault Operation of Five-Phase Induction Machine With Minimum Total Losses Under Single Open-Phase Fault

IEEE ACCESS

IF3.6

2020-01-01

OAAI

Shawier, Abdullah; Abdel-Khalik, Ayman Samy; Hamdy, Ragi A.; Ahmed, Khaled H.; Ahmed, Shehab

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IoT-Based Supervisory Control of an Asymmetrical Nine-Phase Integrated on-Board EV Battery Charger

IEEE ACCESS

IF3.6

2020-01-01

OAAI

Metwly, Mohamed Y.; Abdel-Majeed, Mahmoud S.; Abdel-Khalik, Ayman Samy; Torki, Marwan; Hamdy, Ragi A.; Hamad, Mostafa S.; Ahmed, Shehab

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Optimal Sizing and Control Strategy of Hybrid PV-Diesel Systems achieving minimum possible fuel Consumption in island Operations mode without batteries

2019 IEEE CONFERENCE ON POWER ELECTRONICS AND RENEWABLE ENERGY (IEEE CPERE)

IF0

2019-10-01

PREAI

Khattab, Ahmed; Abdel-Khalik, Ayman Samy; Hamdy, Ragi

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Low-order Space Harmonic Modeling of Asymmetrical Six-Phase Induction Machines

IEEE ACCESS

IF3.6

2019-01-01

OAAI

Abdel-Khalik, Ayman S.; Hamdy, Ragi A.; Massoud, Ahmed M.; Ahmed, Shehab

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Research Directions