Publication

Jaeseong Goh* , Donghwa Suh, Dae Yong Um, Seung Ahn Chae, Gwan Soo Park, and Kiwon Song†, “Continuous exposure to 60 Hz extremely low frequency magnetic field at 10 to 14 mT promotes various human cell proliferation by activating extracellular-signal-regulated kinase ,” Biochemical and Biophysical Research Communications, 2025. https://doi.org/10.1016/j.bbrc.2025.151414

Jung-Min Jo*, Seung-Ahn Chae, Gwan-Soo Park, and Dae-Yong Um† , “Magnetic Flux Leakage Testing for Internal and External Defect Identification in Rotating Pipe Inspections ,”Journal of Nondestructive Evaluation, 2025. https://doi.org/10.1007/s10921-025-01245-2

Seung-Ahn Chae*, Hyun-Ho Ha, Dae-Yong Um†, and Gwan-Soo Park†, "Development of Magnetization-based Eddy Current Sensors for In-Line Inspection of X65 Pipelines,” IEEE Access, vol. 13, pp. 181617-181631, 2025, https://doi.org/10.1109/ACCESS.2025.3623139

Dae Yong Um*†, Rajesh Kumar, Tushar Batra, and Lars Sjöberg, "Computationally Efficient Calculation of PWM-Induced AC Copper Losses in Concentrated Winding Axial Flux Machines,” IEEE Transactions on Magnetics, Early Access, https://doi.org/10.1109/TMAG.2025.3640881

Rajesh Kumar* , Dae Yong Um*, Lars Sjöberg, Tushar Batra, and Glynn Atkinson†, “Electromagnetic Analysis and Comparative Study of Surface-Mounted and Consequent Pole Axial Flux Permanent Magnet Machines,” IEEE Access, 2024. https://doi.org/10.1109/ACCESS.2024.3510424 

Dae Yong Um*, Seung Ahn Chae, and Gwan Soo Park†, “AC-Winding-Resistance Calculation of Toroidal Inductors with Solid-Round-Wire and Litz-Wire Winding Based on Complex Permeability Modeling,” Machines, vol. 12, no. 4, (2024). https://doi.org/10.3390/machines12040228 

Dae Yong Um*, Min Jae Kin, Seung Ahn Chae, and Gwan Soo Park†, “Investigation of Dual Coil Induction Heating for Enhanced Temperature Distribution Optimization,” IEEE Access, 2024. https://doi.org/ 10.1109/ACCESS.2024.3373784 

Dae Yong Um*, and Gwan Soo Park†, “DC-Magnetization-Based Eddy Current Testing for Arbitrary Orientation Defects Detection in Ferromagnetic Steel,” IEEE Transactions on Magnetics, vol. 59, no. 5, 2023. https://doi.org/10.1109/TMAG.2023.3240743

Do Hyun Kang* , Ho Yeong Lee, Dae Yong Um, Jung Min Jo, Min Jae Kim and Gwan Soo Park†, “A Study on the Shielding Effect of Ferromagnetic Pipe Wall in Inductive Power Transfer”. Journal of Electrical Engineering & Technology, 2022. https://doi.org/10.1007/s42835-022-01208-x 

Dae Yong Um*, Min Jae Kim, Gwan Soo Park†, “Numerical Analysis of DC-biased Eddy Current Sensor Considering Hysteresis Effects,” IEEE Transactions on Magnetics, vol. 58, no. 9, 2022. https://doi.org/10.1109/TMAG.2022.3167275 

Dae Yong Um*, Gwan Soo Park†, “Comparison of Electromagnetic Characteristics of Single-Phase Induction Motor between Balanced and Unbalanced Operation under Different Loads,” Energies, vol. 14, no. 4, 2021. https://doi.org/10.3390/en14040919 

Dae Yong Um*, Gwan Soo Park†, “Resistance Variations in High-Frequency Inductors Considering Induced Fields Among Conductors,” IEEE Transactions on Magnetics, vol. 57, no. 2, 84, 2021. https://doi.org/10.1109/TMAG.2020.3005312 

Dae Yong Um*, Gwan Soo Park†, “Determination scheme of stator parameters for making rotating fields circular in a single-phase induction motor,” IEEE Transactions on Magnetics, vol. 56, no. 1, 2020. https://doi.org/10.1109/TMAG.2019.2949031

Ki Byung Kim* , Sang Hyun Im, Dae Yong Um, Gwan Soo Park†, “Comparison of magnetic levitation systems using ring-shaped permanent magnets,” IEEE Transactions on Magnetics, vol. 55, no. 7, 2019. https://doi.org/10.1109/TMAG.2019.2895063 

Ha Jeong Lee* , Sang Hyun Im, Dae Yong Um, Gwan Soo Park†, “A design of rotor bar for improving starting torque by analyzing rotor resistance and reactance in squirrel cage induction motor,” IEEE Transactions on Magnetics, vol. 54 no. 3, 2018. https://doi.org/10.1109/TMAG.2017.2764525 

Seung Ahn Chae* , Min Seung Song, Dae Yong Um, Gwan Soo Park†, “Determination of Optimal Frequency in Magnetic Eddy Current Testing for Discrimination of Inner Defect or Outer Defect,” The Transactions of the Korean Institute of Electrical Engineers, vol. 73, no. 3, 2024. https://doi.org/10.5370/KIEE.2024.73.3.531 

Seung Ahn Chae* , Dae Yong Um, Gwan Soo Park†, “Principle of Magnetic Eddy Current Testing to Detect Opposite-Side Defect in Ferromagnetic Pipeline Inspection,” Journal of the Korean Magnetics Society, vol. 33, no. 6, 2023. https://doi.org/10.4283/JKMS.2023.33.6.266