Intelligent wheelchair based on multimode brain-machine interface
A brain-computer interface, multi-modal technology, applied in the patient's chair or special transportation means, user/computer interaction input/output, computer parts and other directions, can solve the problem of low practicability, inability to accelerate, decelerate and start , stop, visual fatigue and other problems, to achieve the effect of improving system information transmission rate, meeting real-time requirements, and increasing practical performance
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[0021] like figure 1 As shown, the intelligent wheelchair of the modal brain-computer interface includes a sequentially connected visual stimulation interface, an EEG acquisition platform, a multi-modal brain-computer interface, a control module, and an electric wheelchair. The subject wore a 32-lead electrode cap and sat on the seat of an electric wheelchair. The portable EEG acquisition instrument was placed in the wheelchair's back bag, and the vehicle-mounted notebook was placed on the wheelchair table. The visual stimulation interface was provided by the LCD screen of the vehicle-mounted notebook. The processing algorithm of the modal brain-computer interface module is provided by the vehicle-mounted notebook programming, and the communication unit and controller of the control module are fixed at the armrest of the wheelchair.
[0022] like figure 2 As shown, there are 5 P300 flashing keys in the visual stimulation interface, and the subjects can generate EEG signals b...
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