Zhifei Ji

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About

Zhifei Ji is a robotics researcher whose work focuses on the design, modeling, and dynamic analysis of novel mobile robotic systems. His research spans nonholonomic spherical robots, tensegrity-based mechanisms, and multi-degree-of-freedom wheeled platforms. Ji’s most notable contribution is his pioneering work on a hybrid-driven spherical robot, which combines an internal linear motor with external wind thrust to achieve continuous center-of-gravity shifting—a novel approach to spherical locomotion. This work, published in 2011, remains his most cited paper with 7 citations. He has also explored unconventional applications of tensegrity structures, proposing a tensegrity-based weighing machine that leverages energy methods for sensor applications, and developed dynamic models for a 6-DOF wheeled mobile robot using Lagrangian formulations. Ji’s research demonstrates a consistent interest in pushing the boundaries of robot mobility and structural design, offering foundational insights for students and researchers in robotics, particularly those interested in nonholonomic systems, bio-inspired locomotion, and compliant mechanisms.