Papers
66
Total Citations
1,339
H-Index
16
About
Youngjin Choi is a prominent robotics researcher whose work spans humanoid locomotion, robotic manipulation, medical robotics, and control systems. He is perhaps best known for his 2009 paper on bridge inspection robots with machine vision, which has garnered over 257 citations, demonstrating his early commitment to applying robotics to real-world infrastructure challenges. His foundational contributions to humanoid robot control — particularly his 2007 work on center-of-mass Jacobian-based posture and walking control (136 citations) and his 2005 stability analysis of indirect ZMP controllers — have significantly shaped the field of biped locomotion. Choi has also advanced robotic manipulation through innovative mechanical design, including an underactuated finger mechanism using stackable four-bar linkages and a dual-motor planetary gear actuator system that enhances mobile robot performance. His research extends into surgical robotics, with a stackable 4-BAR manipulator designed for minimally invasive single-port surgery, and into soft robotics, with a proprioceptive pneumatic gripper suited for extreme environments. Collectively, his diverse yet interconnected body of work — spanning control theory, mechanism design, sensing, and applied robotics — reflects a researcher whose contributions have meaningfully advanced both the theoretical foundations and practical capabilities of modern robotic systems.
Research Focus
Key Achievements
Top Papers
- 1Bridge inspection robot system with machine vision257 citations · 2009
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- 3A New Actuator System Using Dual-Motors and a Planetary Gear77 citations · 2011
- 4On the stability of indirect ZMP controller for biped robot systems66 citations · 2005
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- 8Stackable 4-BAR Manipulators for Single Port Access Surgery48 citations · 2011
- 9Development of a Multiline Laser Vision Sensor for Joint Tracking in Welding48 citations · 2009
- 10Smooth trajectory planning methods using physical limits33 citations · 2014