본 논문에서는 사지마비 장애인이 활용할 수 있는 동작을 이용하여 마우스, 키보드, 전동휠체어 제어 등에 적용 가능한 근전도 기반 입력 인터페이스 기술을 제안하였다. 먼저 사지마비 장애인이 활용 가능하면서도 데이터 획득 및 처리가 용이한 동작으로서 이 (치아) 물기 동작을 선택하였다. 또한 좌측, 우측 및 양측 이 물기 동작 및 이 물기 시간의 조절을 통해 사지마비 장애인의 경우에도 몇 가지 명령어 수행이 가능하다. 이때, 이 물기 동작의 인식은 관자놀이 부근에 위치한 관자근에서의 근전도 (electromyogram) 신호를 이용하였다. 본 논문에서는 데이터를 획득하여 전송하고 처리하기 위한 하드웨어 및 소프트웨어, 그리고 전동휠체어 제어, 마우스 제어, 게임 제어를 위한 시범 시스템도 개발하였다. 또한 개발된 시범 시스템을 사지마비 장애인에게 적용하여 그 효용성을 평가하였다.
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