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The works on Intelligent Wheelchairs (IW) have been an active research area in Assistive Technologies since its first prototypes in the 1980's. But more than 30 years after that promising start almost none (but a few) of those prototypes reached their final users. This work will try to analyze the problems that maintain those vehicles in the labs, far from the real people. Among the possible reasons for that, two main issues are the availability of suitable sensors (in terms of cost and reliability) and over all the lack of an appropriate standard platform in the market to build up an IW. In this paper we will focus our analysis on the platform problem. Under our point of view, it is mandatory to reduce the cost of any IW proposal by using a common framework from the more basic to the most advanced systems. To reach that goal, our proposal for an Intelligent Wheelchair framework take advantage of using standard Electronics systems and Communication devices (USB, CAN, WiFi) in order to guarantee its compatibility with other electronic subsystems and services around the environment (i.e. location based services) and to be able to follow the continuous upgrade of such subsystems.
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