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This paper briefly outlines recent work done, particularly in control systems, for electric powered wheelchairs. These mobility aids, first developed in the 1950’s , were improved with the incorporation of microprocessors. The requirement for mobility aids in general is rising; for example, it is reckoned that 1.5% of the U.K. population require such aids. As an assistive technology, electric powered wheelchairs have many benefits. Nevertheless, a reliable and robust such wheelchair has still to evolve.
O'Dwyer, Aidan and Basu, Malabika and Coyle, Eugene : Electric-powered wheelchairs as an assistive technology. BEAI Spectrum, Spring, p. 17 (ISSN 2009-0714). http://www.beai.org/BEAISpectrumSpring2008.pdf