Papers
21
Total Citations
767
H-Index
10
About
Alireza Mohammadi is a robotics and control systems researcher whose work spans nonlinear control theory, bio-inspired locomotion, and robotic manipulation. He is perhaps best known for his foundational contributions to disturbance observer design for robotic manipulators — work that has garnered over 466 citations and established him as a leading voice in robust control for nonlinear robotic systems. His early research demonstrated how unknown disturbances such as joint friction and external payloads could be effectively compensated, significantly improving trajectory-tracking performance in complex manipulator systems. A substantial thread of Mohammadi's career has focused on snake robot locomotion, where he pioneered the application of virtual holonomic constraints to achieve precise maneuvering and direction-following control — both in planar environments and underwater settings subject to unpredictable ocean currents. This biologically inspired research bridges elegant mathematical frameworks with real-world locomotion challenges. More recently, he has extended his expertise to bipedal robotic walking across variable terrain, collaborative robotic painting automation, and disturbance observer applications in rehabilitation robotics. Collectively, his body of work reflects a researcher who consistently translates sophisticated nonlinear control theory into practical, impactful robotics solutions, accumulating hundreds of citations across a diverse and growing portfolio.
Research Focus
Key Achievements
Top Papers
- 1Nonlinear disturbance observer design for robotic manipulators466 citations · 2012
- 2Maneuvering Control of Planar Snake Robots Using Virtual Holonomic Constraints101 citations · 2015
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- 10Disturbance observer applications in rehabilitation robotics: an overview10 citations · 2020