Honghai Yu

Papers

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About

Honghai Yu is a pioneering researcher in the field of biomedical micro-robotics, with a focused expertise on wireless capsule endoscopy and magnetic actuation systems for gastrointestinal diagnostics. His major contributions center on the development of novel capsule micro-robots designed for intestinal exploration, particularly addressing the critical challenge of active locomotion within the complex, tortuous environment of the human gut. Yu’s seminal 2009 paper, which has garnered 16 citations, introduced a groundbreaking wireless drive and control method employing a rotational magnetic field. This work detailed a unique actuator design featuring Nd-Fe-B magnet cylinders with multiple magnetic poles in a tegular shape and dissimilar radial magnetization, enabling precise magnetic torque for capsule propulsion. His subsequent research, including studies on variable-diameter capsules (2010, 12 citations) and spatial magnetic torque characteristics (2009, 5 citations), further advanced the dynamic control and maneuverability of these devices. Collectively, Yu’s work has laid a critical foundation for non-invasive, active capsule endoscopy, offering a promising pathway toward more accurate and patient-friendly gastrointestinal diagnosis. His innovative approach to magnetic coupling and robot miniaturization continues to inspire new generations of medical microrobots.