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Title: A Brain Controlled Wheelchair to Navigate in Familiar Environments
Keywords: BCI, wheelchair, rehabilitation, locked-in, robot, P300
Issue Date: 1-Dec-2008
Citation: REBSAMEN BRICE (2008-12-01). A Brain Controlled Wheelchair to Navigate in Familiar Environments. ScholarBank@NUS Repository.
Abstract: While brain computer interfaces (BCI) can provide communication to people who are locked-in, they suffer from a very low information transfer rate, and require a concentration effort that can exhaust the user. The brain controlled wheelchair (BCW) described in this thesis aims at providing mobility to BCI users despite these limitations, in a safe and efficient way. Using a slow but reliable P300 based BCI, the user selects a destination amongst a list of predefined locations. While the wheelchair moves on virtual guiding paths ensuring smooth, safe and predictable trajectories, the user can stop the wheelchair by using a faster BCI. Experiments with healthy subjects demonstrated the efficiency of this strategy. The BCW enabled the users to move to various locations in less time and with significantly less control effort than other control strategies proposed in the literature.
Appears in Collections:Ph.D Theses (Open)

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