Ngo Phong Nguyen

Ulsan National Institute of Science and Technology

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About

Dr. Ngo Phong Nguyen is a leading researcher in advanced nonlinear control systems, with a primary focus on sliding-mode control, adaptive control, and their applications to robotic manipulators. His most significant contribution is the development of the Finite-Time Continuous Nonsingular Terminal Modified Adaptive-Gain Super-Twisting Control (FT-CNT-MAG-STC), a novel framework that addresses critical challenges in second-order disturbed systems. This work, published in 2022 and already garnering 13 citations, demonstrates remarkable improvements over existing sliding-mode controllers by achieving fast finite-time convergence while eliminating singularities and chattering—a persistent problem in conventional approaches. Dr. Nguyen's research has direct implications for precision robotics, as evidenced by its application to 2-DOF planar robot manipulators, where it enhances trajectory tracking accuracy and robustness against disturbances. His work bridges theoretical rigor with practical implementation, offering engineers and researchers a powerful tool for real-world control challenges. With his innovative approach to adaptive-gain mechanisms and nonsingular terminal sliding surfaces, Dr. Nguyen continues to push the boundaries of control theory, making his contributions essential reading for anyone working in robotics, automation, or nonlinear dynamics.