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About

Richard C. Simpson is a pioneering researcher in assistive robotics and rehabilitation engineering, whose work has fundamentally advanced mobility solutions for individuals with disabilities. His primary research areas include smart wheelchair technology, assistive navigation systems, and intelligent mobility aids. Simpson’s most significant contribution is his comprehensive development of the NavChair Assistive Wheelchair Navigation System, which reduces the cognitive and physical demands of operating a power wheelchair—a landmark project cited over 427 times. He also authored the highly influential “Smart Wheelchairs: A Literature Review” (547 citations), which remains a foundational resource in the field. Beyond wheelchairs, Simpson evaluated the Guido robotic walker, demonstrating its clinical utility for navigation and obstacle avoidance. His work on the Smart Wheelchair Component System (164 citations) and the Hephaestus system further showcases his commitment to modular, user-centered design. With over 1,400 total citations across his most-cited papers, Simpson’s research has shaped both engineering practice and clinical rehabilitation, making him a key figure in the intersection of artificial intelligence and assistive technology.