Dr. Lutf Ur Rahman

Senior Researcher | Electrical Machine Design & Power Electronics Specialist
Seongnam-si, KR.

About

Highly accomplished Senior Researcher with over 7 years of specialized expertise in advanced electrical machine design, power electronics, and real-time control systems. Proven track record in developing, validating, and deploying innovative solutions for electromagnetic energy conversion, microgrids, and automotive applications. Leverages deep proficiency in 2D/3D finite element simulations, model-based design (MATLAB), and Hardware-In-the-Loop (HIL) testing to drive operational efficiency and system performance for leading industry partners like Hyundai Motor Group and KEPCO.

Work

Milim Syscon Co. Ltd
|

Senior Researcher

Seongnam-si, Gyeonggi-do, Korea (Republic of)

Summary

Led advanced research and development projects focusing on electric machine and power electronics control systems, delivering innovative solutions for diverse industrial applications.

Highlights

Designed, built, tested, and maintained advanced Controller Hardware-In-the-Loop (CHIL) Testbeds, significantly enhancing validation processes for electric machine and power electronics control systems.

Provided expert technical support for multiple customer projects, including critical microgrid modernization, electric machine drives, and shipboard power systems, ensuring high-performance and reliability.

Developed and implemented a real-time SCADA interface for supervisory monitoring, control, data logging, and event visualization, streamlining advanced system testing and operational studies.

Kunsan National University
|

Research Assistant

Gunsan-si, Jeollabuk-do, Korea (Republic of)

Summary

Conducted in-depth research on advanced electromagnetic energy conversion systems, focusing on machine optimization and grid integration for renewable energy applications.

Highlights

Conceptualized, developed, and validated mathematical models for Permanent Magnet Synchronous Machines (PMSM) and Flux Modulation machines (FM), optimizing machine performance through in-depth harmonic analysis.

Utilized MATLAB and JMAG 17.1 for rigorous analysis and validation of research findings, ensuring accuracy and reliability in electromagnetic simulations.

Designed and analyzed a megawatt-scale wind turbine model in collaboration with the Korean Electric Power Corporation (KEPCO), contributing to large-scale renewable energy initiatives.

COMSATS University Islamabad
|

Research Assistant

Abbottabad, Khyber Pakhtunkhwa, Pakistan

Summary

Focused on the design and analysis of novel flux switching machines, contributing to advancements in modular rotor techniques.

Highlights

Proposed, designed, and validated a novel 3D flux switching machine model using innovative modular rotor techniques, enhancing design flexibility and performance.

Employed JMAG 14.0 for comprehensive electromagnetic analysis and comparative studies, demonstrating the superior performance of new designs against existing models.

Education

Kunsan National University
Gunsan-si, Jeollabuk-do, Korea (Republic of)

Ph.D.

Electric Machine Design, Electronics and Information Engineering

Grade: 4.33/4.50

Courses

Doctoral Thesis: Study on Magnetic Scalar Potentials Oscillation in Spoke Permanent Magnet Flux Modulation Machines

COMSATS University Islamabad
Abbottabad, Khyber Pakhtunkhwa, Pakistan

Master of Science

Electrical and Computer Engineering

Grade: 3.61/4.00

Courses

Master's Thesis: Design and Analysis of Novel Modular Rotor Single Phase Wound Field Flux Switching Machine

Federal Urdu University of Arts, Science and Technology
Islamabad, ICT, Pakistan

Bachelor of Technology

Electrical and Electronics Engineering

Grade: 3.23/4.00

Courses

Bachelor's Thesis: Environmentally controlled poultry farm using Microcontroller and GSM

Awards

Fully Funded Scholarship for Ph.D.

Awarded By

Korea Electric Power Corporation (KEPCO), National Research Foundation of Korea, and Ministry of Education

Awarded a comprehensive scholarship covering full tuition and research expenses for doctoral studies in Electric Machine Design.

Fully Funded Scholarship for M.S. Electrical Engineering

Awarded By

Prime Minister Fee Reimbursement Scheme

Received a full fee reimbursement scholarship for Master's studies in Electrical Engineering, recognizing academic merit.

Publications

Design and Control of Battery-Ultra Capacitor Hybrid Energy Storage System-Based Power-Split Hybrid Vehicle using Nonlinear Damped PI Control Scheme

Published by

Arabian Journal for Science and Engineering

Summary

Explored the design and control of a battery-ultracapacitor hybrid energy storage system for power-split hybrid vehicles, employing a nonlinear damped PI control scheme.

Analytical Investigation of Magnetic Scalar Potentials Oscillation in Spoke PM Machines with Alternate Bridges

Published by

Journal (In Progress)

Summary

Conducted an analytical investigation into magnetic scalar potentials oscillation in Spoke Permanent Magnet Machines featuring alternate bridges.

Comparison of Electromagnetic performance of Spoke PM Vernier and Flux Switching PM Machines Based on Magnetic Field Theory.

Published by

Journal (In Progress)

Summary

Investigated and compared the electromagnetic performance of Spoke PM Vernier and Flux Switching PM Machines, focusing on magnetic field theory.

Advanced third-order super-twisting sliding mode control for enhanced control of grid-connected wind energy systems

Published by

Energy Reports

Summary

Developed an advanced third-order super-twisting sliding mode control for improving the control of grid-connected wind energy systems.

Analytical Investigation of Magnetic Scalar Potentials Oscillation in Spoke PM Flux Modulation Machines.

Published by

Energies

Summary

Provided an analytical investigation into magnetic scalar potentials oscillation within spoke permanent magnet flux modulation machines.

Performance Comparison of Partitioned Primary Hybrid Excited Linear Flux Switching Machine.

Published by

Mechanics Based Design of Structures and Machines

Summary

Compared the performance of a partitioned primary hybrid excited linear flux switching machine.

Oscillation of Scalar Magnetic Potential of Spoke Array PM Modulation Flux Machines

Published by

53rd Summer Conference of the KIEE

Summary

Presented research on scalar magnetic potential oscillation in spoke array PM modulation flux machines.

Calculation of Potential Oscillation of Spoke PM Vernier Machine Using Equivalent Circuit Method

Published by

51st Summer Conference of the KIEE

Summary

Detailed the calculation of potential oscillation in spoke PM Vernier machines using an equivalent circuit method.

Performance Comparison of Modulation Flux Machines

Published by

51st Summer Conference of the KIEE

Summary

Presented a comparative analysis of modulation flux machines.

Modular Rotor Single Phase Field Excited Flux Switching Machine with Non-Overlapped Windings.

Published by

Energies

Summary

Presented a modular rotor single-phase field-excited flux switching machine design with non-overlapped windings.

Analysis and Electromagnetic Noise Suppression of Three Phase Squirrel Cage Induction Motor

Published by

2nd IEEE ICE Cube

Summary

Presented an analysis of electromagnetic noise suppression for three-phase squirrel cage induction motors.

Novel Modular Single-Phase Wound Field Flux Switching Machine

Published by

PGSRET

Summary

Introduced a novel modular single-phase wound field flux switching machine design.

Design and Analysis of Partitioned Primary Linear Hybrid Flux Switching Machine

Published by

International Conference on Power Generation Systems and Renewable Energy Technologies (PGSRET)

Summary

Presented the design and analysis of a partitioned primary linear hybrid flux switching machine.

Performance Comparison of Single-Phase Wound Field Flux Switching Machine

Published by

5th International Multi-Topic ICT Conference (IMTIC)

Summary

Conducted a performance comparison of single-phase wound field flux switching machines.

Skills

Programming Languages

MATLAB, C++.

Software & Simulation Tools

JMAG, Simulink, PLECS Coder, Typhoon, Auto-CAD.

Real-Time Hardware & Platforms

Typhoon HIL, Imperix, PLECS, TI2000, MorEnergy, Microcontrollers.

Testing & Validation

Real-Time Model Validation (SIL, HIL, CHIL, RCP), Imperix Auto Code Generation, I/O Configuration (ADC, DAC, PWM, CAN), SCADA Panel Creation, Test Automation (Typhoon HIL Test IDE), Fault Injection, Grid Connected Systems.

Core Technical Expertise

Electrical Machine Design, Control Algorithms Development, Electromagnetic Energy Conversion, Optimization, Harmonics Analysis, Fault Investigation, Drives, Grid Connected Inverters, 2D/3D Finite Element Analysis, Power Electronics, Microgrid Modernization, Shipboard Power Systems, Wind Turbine Systems.

References

Dr. Byungtaek Kim

Professor, Department of Electronic & Information Engineering, Kunsan National University, Gunsan-si, South Korea | btkim@kunsan.ac.kr

Dr. Faisal Khan

Associate Professor, Department of Electrical & Computer Engineering, COMSATS University Islamabad, Pakistan | faisalkhan@cuiatd.edu.pk

Projects

HIL Configuration of Resolver to Digital Converter (RDC)

Summary

Utilizing Imperix ACG and Typhoon HIL/PLECS for real-time testing and validation of Resolver to Digital Converter (RDC) in a CHIL system.

MW-Scale Bipolar MMC for AC/DC Hybrid Distribution Networks

Summary

Designed and validated a MW-scale bipolar Modular Multilevel Converter (MMC) in Typhoon HIL for AC/DC hybrid distribution networks, including real-time control implementation.

Real-Time Experimental Setup of Four Parallel Grid-Following Inverter Operation

Summary

Utilized Imperix ACG and Typhoon HIL for Controller Hardware-In-the-Loop (C-HIL) testing and validation of inverter operation in grid-connected mode.

LDC Active Clamp Forward Flyback Converter with Real-time testing devices

Summary

Performed real-time testing of an LDC ACFF converter using Imperix ACG (with PLECS coder) and Typhoon HIL within a CHIL system.

OBC CLLLC Resonant Converter with Real-Time Testing Devices

Summary

Conducted real-time testing of an On-Board Charger (OBC) CLLLC resonant converter using Imperix ACG with MATLAB and a dedicated DUT RACK.

Locomotive Motor Control System with Real-Time Testing Devices

Summary

Developed a locomotive motor system control with real-time testing using PLECS auto code generation (ACG) and TI2000 Launchpad.

Grid Following and Grid Forming Inverter Controller with Real-time testing devices

Summary

Developed grid-following and grid-forming inverter controllers using Typhoon HIL and Imperix testing devices.

Advanced Wind Turbine Systems Based on Novel Electrical Power Conversion and Control Techniques

Summary

Established a novel design procedure for an advanced wind turbine system, funded by the National Research Foundation of Korea and the Ministry of Education.

Conceptual Design for 20 MW Class Offshore Wind Power System

Summary

Analyzed the performance of various permanent magnet flux modulation machines for a 20 MW offshore wind turbine implementation, funded by Korean Electric Power Corporation.