Hui guang Li
Papers
1
Total Citations
5
H-Index
1
About
Hui Guang Li is a robotics researcher whose work centers on visual servoing and nonlinear observer design, with a particular focus on enabling precise robot control in the absence of direct velocity sensors. His most cited contribution, "An immersion and invariance-based speed observer for visual servoing" (2012), tackles a fundamental challenge in robotics: most robots lack angular velocity sensors, yet joint speeds are critical for feedback control. Li’s key innovation lies in applying the immersion and invariance (I&I) technique—a sophisticated nonlinear control method—to design a speed observer that reliably estimates joint velocities using only visual feedback. This work bridges the gap between vision-based sensing and real-time control, offering a theoretically rigorous yet practical solution for robotic systems. With 5 citations, this paper has influenced subsequent research in sensorless robot control and visual servoing. Li’s contributions are particularly valuable for students and researchers exploring the intersection of nonlinear control theory and robotic vision, demonstrating how advanced mathematical tools can solve real-world hardware limitations. His work continues to inspire approaches that reduce reliance on expensive or bulky sensors in robotic systems.
Research Focus
Key Achievements
Top Papers
- 1An immersion and invariance-based speed observer for visual servoing5 citations · 2012