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About

Shanshuai Niu is a leading researcher in the field of legged robotics, specializing in the high-precision control of hydraulic quadruped robots. His work focuses on advancing motion control and compliance through innovative approaches, including virtual model control (VMC) and fractional-order dynamics. Niu’s major contributions include the development of a fractional-order virtual model control for trotting motion, which enhances robustness and precision over traditional VMC methods, and the exploration of fractional derivatives in force-based impedance control to improve leg compliance. His most-cited paper, “Research on High Precision Control of Joint Position Servo System for Hydraulic Quadruped Robot” (14 citations), addresses the challenges of electro-hydraulic servo valve-controlled cylinders as driving units. More recently, his 2024 work on fixed-time disturbance observers for foot trajectory tracking showcases his ongoing efforts to eliminate uncertainties in hydraulic systems. With a total of over 30 citations across his key publications, Niu’s research is pivotal for advancing the stability and performance of hydraulic legged robots, making him a notable figure in robotics control theory.