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학술지 A Biosignal-Based Human Interface Controlling a Power-Wheelchair for People with Motor Disabilities
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저자
김기홍, 김홍기, 김종성, 손욱호, 이수영
발행일
200602
출처
ETRI Journal, v.28 no.1, pp.111-114
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.06.0205.0069
협약과제
05ZC1100, 의료기반 VR Therapy 기술개발, 김종성
초록
An alternative human interface enabling people with severe motor disabilities to control an assistive system is presented Since this interface relies on the biosignals originating from the contraction of muscles on the face during particular movements, even individuals with a paralyzed limb can use it with ease. For real-world application, a dedicated hardware module employing a general-purpose digital signal processor was implemented and its validity tested on an electrically powered wheelchair. Furthermore, an additional attempt to reduce error rates to a minimum for stable operation was also made based on the entropy information inherent in the signals during the classification phase. In the experiments, most of the five participating subjects could control the target system at their own will, and thus it is found that the proposed interface can be considered a potential alternative for the interaction of the severely disabled with electronic systems.
KSP 제안 키워드
Assistive systems, Digital signal processor(DSP), Electronic systems, Hardware module, Motor Disabilities, Powered wheelchair, Real-world applications, Stable operation, dedicated hardware, error rate, human interface