Welcome Message
On behalf of the Electric Energy Conversion Lab (EECL) in Seoul National University,
it is a great honor and pleasure to welcome you to the lab.
Our research interests include motor control, wireless power transfer, power converters,
and machine learning in power electronics.
EECL provides opportunities for engineers and students who are interested in practical power electronics.
Motor Control
Development of advanced motor control algorithms to enhance motor driving characteristics
Traction Motors: Used in automobiles and railway vehicles
Micro Drive Systems: Applied in medical devices
Precision Motor Control: Utilizing variable sampling techniques
Torque Ripple Mitigation: Addressing motor nonlinearity for smoother operation
Machine Learning in Power Electronics
Torque ripple reduction using artificial neural networks (ANNs)
Replacing traditional sensorless methods with machine learning-based estimations
Eliminates the need for temperature sensors, improving reliability and reducing costs
Fault classification and abnormality detection using machine learning
Applied to industrial 6-axis robots and electric vehicle drive systems
Enhances system reliability by enabling early failure detection
High Frequency Converter
Utilizing SiC (Silicon Carbide) and GaN (Gallium Nitride) switches
Achieving operating frequencies in the tens of MHz
Higher switching frequency reduces the size of inductors and capacitors
Enables the use of air-core inductors, eliminating iron losses
Reducing switching losses and electromagnetic noise
Research on soft-switching conditions, design methodologies, and control strategies
Adapting control methods based on load operating points
Wireless mobile phone chargers
Plasma systems in semiconductor manufacturing
Publications
EECL International Publications
News & Info