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About

Jung-Ik Ha is a leading researcher in the fields of robotics, magnetic manipulation, and wireless power transfer, with a particular focus on the actuation and control of micro-robots and manipulators. His major contributions include developing innovative methods for sensorless contact force estimation in robot manipulators, addressing the challenge of uncertain torques from backlash and flexibility through a data-driven gray-box model. In the realm of magnetic manipulation, Ha has pioneered wirelessly powered coil-type robots capable of self-actuation, achieving 1D and 2D translational as well as 1D rotational motion without onboard power sources. He has also advanced control strategies for magnetic manipulation systems, proposing null space vector injection to expand the control area under current limits. While his most-cited paper on contact force estimation has garnered 14 citations, his work on wireless self-actuation represents a notable achievement in enabling untethered micro-robotic systems. Ha’s research is highly relevant for students and researchers interested in robotics, mechatronics, and biomedical applications, offering practical solutions for autonomous and wirelessly powered systems.