Dong-Hee Lee

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About

Dong-Hee Lee is a leading figure in advanced motion control and mechatronic systems, with a primary focus on precision servo drives and industrial automation. His most influential work, "Vibration rejection scheme of servo drive system with adaptive notch filter" (2006), has garnered 23 citations and addresses a critical challenge in Permanent Magnet Synchronous Motor (PMSM) applications. By developing an adaptive notch filter to suppress torsional vibrations in torque transmission systems—commonly found in NC machines, robots, and factory automation—Lee provided a robust solution that enhances the stability and accuracy of high-performance servo drives. This contribution has been foundational for engineers working on vibration-prone mechanical couplings like ball-screws and timing belts. More recently, Lee has expanded into autonomous robotic systems, as demonstrated by his 2021 paper on a novel curving control scheme for a rail-type monitoring robot. This work integrates two BLDC motors with an IMU sensor to reduce unbalanced load and position error along arbitrary curved paths, showcasing his ability to bridge classical servo control with modern sensor-fusion techniques. Lee’s research consistently targets real-world industrial pain points, making his work highly relevant for both academic researchers and practicing engineers in motion control and robotics.