Sang‐Tae Kim

Papers

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About

Dr. Sang-Tae Kim is a leading researcher in nonlinear control systems and mobile robotics, with a particular focus on advanced control strategies for dynamically unstable platforms. His most influential work, "SDRE Based Nonlinear Optimal Control of a Two-Wheeled Balancing Robot" (2011, 13 citations), addresses a critical gap in two-wheeled balancing robot control. While conventional approaches rely on linear control methods that neglect nonlinear dynamics, Kim pioneered the application of State-Dependent Riccati Equation (SDRE) techniques to directly handle these nonlinearities during high-maneuverability scenarios like fast turns and abrupt starts. This contribution has proven essential for achieving stable, optimal performance in real-world applications where linear approximations fail. His research bridges theoretical control theory and practical robotics, offering engineers a robust framework for designing agile, self-balancing systems. With a citation record reflecting sustained interest from the robotics and control communities, Kim's work continues to inform the development of next-generation mobile robots requiring both speed and stability. His achievements underscore a career dedicated to pushing the boundaries of nonlinear optimal control in autonomous systems.