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About

Dr. Alexandru Codrean is a robotics researcher whose work spans mobile robot navigation, human-robot interaction, and novel balancing platforms. His research focuses on developing robust control strategies for wheeled mobile robots, with particular emphasis on object-following procedures and communication-aware navigation under uncertain network conditions. A key contribution is his work on ball-balancing robots (ballbots), where he has designed both hardware architectures and sliding mode controllers that achieve stable vertical balancing with robustness to matched uncertainties—a design notably simpler than comparable nonlinear approaches. In rehabilitation robotics, Codrean has advanced human-robot interaction by implementing sliding mode position controllers that minimize chattering while maintaining acceptable tracking errors for safe arm rehabilitation. His most cited work, "Learning control for transmission and navigation with a mobile robot under unknown communication rates" (2020, 11 citations), addresses the critical challenge of autonomous operation in communication-constrained environments. With additional influential papers on object-following control (10 citations) and ballbot design (5 citations), Codrean's research demonstrates a consistent focus on practical, implementable control solutions that bridge theoretical robustness with real-world applicability across service robotics, rehabilitation, and mobile manipulation domains.