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About

Cheol-Su Jeong is a robotics researcher whose work spans surgical assistance, underwater vehicle control, and robust robotic manipulation. His most impactful contribution is the development of a **tracking error constrained super-twisting sliding mode controller** for robotic systems (2018, 42 citations), a significant advancement in nonlinear control that ensures high-precision trajectory tracking while mitigating chattering—a critical challenge in sliding mode control. This work has provided a robust framework for systems requiring both accuracy and disturbance rejection. In the domain of medical robotics, Jeong designed a **wire-driven bidirectional telescopic mechanism** for a surgical assistant robot end effector (2021). He introduced a force-free control algorithm enabling intuitive direct teaching, allowing surgeons to manually guide the robot with minimal effort—a practical step toward safer, more intuitive human-robot collaboration in the operating room. Additionally, his empirical modeling of a **2-degree-of-freedom azimuth underwater thruster** using a signal compression method (2021) addresses the need for compact, maneuverable propulsion in underwater robots, reducing thruster count while maintaining omnidirectional thrust. Jeong’s work demonstrates a consistent focus on bridging theoretical control advances with tangible robotic hardware, from surgery to deep-sea exploration.