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2015 Fiscal Year Final Research Report

Interface for Mobile Feeding Assistive Robotic Arm

Research Project

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Project/Area Number 25350671
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Rehabilitation science/Welfare engineering
Research InstitutionUniversity of the Ryukyus

Principal Investigator

Higa Hiroki  琉球大学, 工学部, 教授 (60295300)

Project Period (FY) 2013-04-01 – 2016-03-31
Keywordsロボットアーム / 食事支援 / 神経疾患 / インタフェース / 脳波 / 眼球運動
Outline of Final Research Achievements

We have developed a user-interface for a mobile robotic arm in this study. We made a visual stimulus program that one of four triangles was randomly turned white in a computer monitor. Six able-bodied volunteers participated in the experiments. EEG signals were recorded from the scalp, amplified, sampled, and bandpass-filtered. Each subject was required to silently count white triangle. Some features, event-related potentials P300 and N100, were extracted from the averaged waveforms, and the total of classification accuracy across subjects of 95.8 % was obtained using artificial neural network.
A vision-based user interface was also considered. The user interface consists of a single web camera to obtain user’s eye movements, computer running a detection program of the center of the iris and pupil from the captured images. An able-bodied subject could operate the proposed user interface without any difficulty. The interface allows user to support to select one of foods on a table.

Free Research Field

生体医工学

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Published: 2017-05-10  

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