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Journal Article
A Practical Biosignal-based Human Interface Applicable to the Assistive Systems for People with Motor Impairment
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- Authors
- Ki Hong Kim, Jae Kwon Yoo, Hong Kee Kim, Wook Ho Son, Soo Young Lee
- Issue Date
- 2006-10
- Citation
- IEICE Transactions on Information and Systems, v.E89-D, no.10, pp.2644-2652
- ISSN
- 0916-8532
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- An alternative human interface enabling the handicapped 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 DSP 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 in which 11 subjects participated, it was found most of them could control the target system at their own will, and thus the proposed interface could be considered a potential alternative for the interaction of the severely handicapped with electronic systems. Copyright © 2006 The Institute of Electronics, Information and Communication Engineers.
- KSP Keywords
- Assistive systems, Electronic systems, Hardware module, Information and communication, Motor Disabilities, Motor impairment, Powered wheelchair, Real-world applications, Stable operation, dedicated hardware, error rate