Electric Wheelchair Control System Using Brain-Computer Interface Based on Alpha-Wave Blocking

A brain-computer interface （BCI） -based electric wheelchair control system was developed, which enables the users to move the wheelchair forward or backward, and turn left or right without any pre-learning. This control system makes use of the amplitude enhancement of alpha-wave blocking in electroe...

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Published in:Transactions of Tianjin University 2014-10, Vol.20 (5), p.358-363
Main Author: 明东 付兰 陈龙 汤佳贝 綦宏志 赵欣 周鹏 张力新 焦学军 王春慧 万柏坤
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Language:English
Subjects:
Engineering
Humanities and Social Sciences
Mechanical Engineering
multidisciplinary
Science
信号处理单元
信息传输率
对照实验
控制系统
电动轮椅
脑机接口
阻塞
阿尔法
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cites cdi_FETCH-LOGICAL-c2677-9e01bafc757a4950a8c143e0f3e3c4ca0e2de0812d00ea4bad321b79d4e68a0f3
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container_title Transactions of Tianjin University
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creator 明东 付兰 陈龙 汤佳贝 綦宏志 赵欣 周鹏 张力新 焦学军 王春慧 万柏坤
description A brain-computer interface （BCI） -based electric wheelchair control system was developed, which enables the users to move the wheelchair forward or backward, and turn left or right without any pre-learning. This control system makes use of the amplitude enhancement of alpha-wave blocking in electroencephalogram （EEG） when eyes close for more than 1 s to constitute a BCI for the switch control of wheelchair movements. The system was formed by BCI control panel, data acquisition, signal processing unit and interface control circuit. Eight volunteers participated in the wheelchair control experiments according to the preset routes. The experimental results show that the mean success control rate of all the subjects was 81.3%, with the highest reaching 93.7%. When one subject＇s triggering time was 2.8 s, i.e., the flashing time of each cycle light was 2.8 s, the average information transfer rate was 8.10 bit/min, with the highest reaching 12.54 bit/min.
doi_str_mv 10.1007/s12209-014-2235-5
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1995-8196
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subjects Engineering
Humanities and Social Sciences
Mechanical Engineering
multidisciplinary
Science
信号处理单元
信息传输率
对照实验
控制系统
电动轮椅
脑机接口
阻塞
阿尔法
title Electric Wheelchair Control System Using Brain-Computer Interface Based on Alpha-Wave Blocking
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