Yoonjae Lee obtained a B. Eng. degree from the Department of Electronics and Electrical Engineering, Donkook university, Yongin, Korea, in 2020, and is currently working toward an M. Eng degree with the Department of Mechanical Design Engineering at Konkuk university, Seoul, Korea. He has studied monitoring algorithms for the diagnosis of bearings in the manufacturing process. His research interests include data mining and feature engineering in manufacturing systems.