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	An EEG-based BCI System for Controlling Lower Exoskeleton to Step Over Obstacles in Realistic Walking Situation
	Xingguo Long; Du-Xin Liu; Shuang Liang; Zefeng Yan; Xinyu Wu
	2018
会议日期	2018
会议地点	Marina Bay Sands Expo and Convention Centre, Singapore
英文摘要	The strategies to adopt brain-computer interfaces (BCIs) to drive assisted devices are proved to be feasible in many studies. Although several studies focus on detecting the initiation of normal walking by BCIs, few consider how to distinguish the change of gait pattern for different terrains in a realistic walking situation. Therefore, this paper proposes an innovative experimental paradigm for robust control of exoskeleton based on a BCI system. Several pseudo online trials are conducted to prove the feasibility of the proposed paradigm. Firstly, a labeled windows generator (LWG) is built to produce electroencephalogram (EEG) windows based on acquired gait data and EEG data. Then the common spatial pattern (CSP) is used to extract features from the labeled EEG windows. Finally, a support vector machine (SVM) classifier is trained to predict the intention of the subject. The experimental results corroborate the feasibility of obtaining the intention of stepping over obstacles from normal walking through the proposed BCIcontrolled exoskeleton system.
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/13847]
专题	深圳先进技术研究院_集成所
推荐引用方式 GB/T 7714	Xingguo Long,Du-Xin Liu,Shuang Liang,et al. An EEG-based BCI System for Controlling Lower Exoskeleton to Step Over Obstacles in Realistic Walking Situation[C]. 见:. Marina Bay Sands Expo and Convention Centre, Singapore. 2018.

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