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About

Hyun-Rok Cha is a researcher focused on the intersection of location-based technologies, autonomous navigation, and personal robotic mobility. His work centers on developing practical systems for unmanned driving and precise position sensing, particularly for small-scale robotic vehicles. A key contribution is his "Line Intersection Algorithm for the Enhanced TOA Trilateration Technique" (2014, 11 citations), which improves location determination for mobile robots and wireless communication systems by refining time-of-arrival calculations. Cha also pioneered the design of the "Robicle," an electric three-wheeled robotic vehicle for personal mobility (2014, 5 citations), detailing its integrated components like hub motors and suspension. His earlier research on magnetic position sensors (2009, 4 citations) and unmanned driving systems using magnetic markers (2009, 2 citations) laid groundwork for autonomous vehicle control, enabling lateral position identification along roadways. Together, these contributions demonstrate Cha’s commitment to advancing low-cost, sensor-driven navigation solutions for intelligent robotic systems, with applications ranging from personal transport to automated guidance.