A. Chotai

Papers

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About

A. Chotai is a control systems researcher whose work has made meaningful contributions to the field of nonlinear dynamic systems, with a particular specialization in State Dependent Parameter (SDP) modeling and advanced control methodologies. Their research has focused on developing and applying Proportional-Integral-Plus (PIP) control frameworks to complex, real-world robotic systems, bridging theoretical control engineering with demanding practical applications. Among Chotai's most notable contributions is their work on SDP-PIP control systems for robotic manipulators, including a landmark study applying these methods to a 1/5th scale model of the Lancaster University Computerised Intelligent Excavator (LUCIE) — believed to be the first application of SDP-PIP techniques to robotic excavation. Building on this foundation, Chotai extended the approach to nuclear decommissioning robotics, developing pole assignment control strategies for sophisticated platforms including the Brokk 40 mobile robot and Hydro-Lek HLK-7W dual-arm manipulator, addressing the critical challenges of the UK's nuclear legacy. With citations across these specialized contributions, Chotai's research has provided engineers and researchers with practical, mathematically grounded tools for controlling nonlinear robotic systems in hazardous and high-stakes environments, leaving a focused but valuable imprint on applied control engineering.