Liuji Shang

Chinese Academy of Sciences, Shandong Institute of Automation

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About

Liuji Shang is a pioneering researcher in biomimetic underwater robotics, with a primary focus on the design, motion control, and propulsion analysis of fish-inspired robotic systems. His major contributions center on the development and characterization of undulating long-fin and ribbon-fin mechanisms, which replicate the high-maneuverability, low-noise locomotion observed in rajiform and gymnotiform fish. In his most-cited work, "Motion control for an underwater robotic fish with two undulating long-fins" (2009, 22 citations), Shang introduced a novel robotic prototype featuring two symmetrical long-fins, each composed of a springiness membrane over ten ray-fins actuated by individual servo-motors, enabling precise and agile motion control. This work laid the foundation for practical, high-performance underwater vehicles. His subsequent study, "Thrust analysis of the undulating ribbon-fin for biomimetic underwater robots" (2011, 9 citations), provided critical insights into the thrust generation and efficiency of undulating fins, demonstrating their superior maneuverability in turbulent environments compared to traditional fish locomotion. Shang’s research has significantly advanced the field of bio-inspired robotics, offering design principles that enhance the agility and stealth of underwater robots, with direct applications in marine exploration, environmental monitoring, and defense. His work remains influential for researchers developing next-generation autonomous underwater vehicles.