Ghazi Bel Haj Frej
University of Gabès, Centre National de la Recherche Scientifique
Papers
3
Total Citations
32
H-Index
2
About
Ghazi Bel Haj Frej is a researcher whose work lies at the intersection of multi-robot systems and nonlinear control theory. His most influential contribution, "Path planning of a group of robots with potential field approach: decentralized architecture" (2017, 26 citations), addresses the challenge of coordinating multiple robots in dynamic environments. By proposing a decentralized potential field method, Frej enables individual robots to navigate and avoid collisions without a central controller, a key advancement for scalable swarm robotics. In the domain of control systems, he has made significant strides in stabilizing complex nonlinear systems. His 2021 study on robust control for Lipschitz nonlinear discrete-time systems (4 citations) introduces an observer-based strategy that improves convergence and performance over existing methods, validated through real-time emulation. Additionally, his 2020 work on real-time stabilization (2 citations) leverages the Differential Mean Value Theorem to transform nonlinear functions into Linear Parameter Varying systems, simplifying control design for systems with nonlinear outputs. Frej’s research bridges theoretical rigor with practical implementation, offering tools that enhance the reliability and autonomy of robotic and control systems—a valuable contribution for students and engineers tackling real-world nonlinear dynamics and multi-agent coordination.
Research Focus
Key Achievements
Top Papers
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