Aleksandr Liadov

Centre National de la Recherche Scientifique

Papers

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About

Aleksandr Liadov is a leading researcher in continuum robotics, with a particular focus on the modeling and control of concentric tube robots (CTRs) for minimally invasive surgery. His most influential work, "Eye-in-Hand Visual Servoing of Concentric Tube Robots" (2018, 56 citations), addresses a critical challenge in this domain: achieving precise, real-time control of these flexible, miniaturized instruments. Liadov pioneered a vision-based controller that integrates a camera directly into the robot’s tip, enabling closed-loop visual servoing. This innovation allows the robot to autonomously adjust its position and orientation in response to visual feedback, dramatically improving accuracy during delicate endoscopic procedures. By solving the complex kinematics of multi-tube interaction under visual guidance, his work bridges the gap between theoretical models and practical surgical application. Liadov’s contributions are foundational for the next generation of autonomous, flexible surgical tools, offering a pathway to safer, more precise interventions in confined anatomical spaces. His research continues to shape how continuum robots perceive and interact with their environment, making him a key figure in the evolution of robot-assisted surgery.