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Some people are prevented from driving a power wheelchair because of cognitive and/or visual impairments. In order to improve their access to mobility, we have developed a driving assistance solution. However, developing and testing such systems require a significant amount of material and clinician time. With the deployment of new technologies, it is now possible to speed up the research process...
Some people with severe mobility impairments are unable to operate powered wheelchairs reliably and effectively, using commercially available interfaces. This has sparked a body of research into “smart wheelchairs”, which assist users to drive safely and create opportunities for them to use alternative interfaces. Various “shared control” techniques have been proposed to provide an appropriate level...
Driving a power wheelchair is a difficult and complex visual-cognitive task. As a result, some people with visual and/or cognitive disabilities cannot access the benefits of a power wheelchair because their impairments prevent them from driving safely. In order to improve their access to mobility, we have previously designed a semi-autonomous assistive wheelchair system which progressively corrects...
Motor or visual impairments may prevent a user from steering a wheelchair effectively in indoor environments. In such cases, joystick jerks arising from uncontrolled motions may lead to collisions with obstacles. We here propose a perceptive shared control system that progressively corrects the trajectory as a user manually drives the wheelchair, by means of a sensor-based shared control law capable...
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