白杖を用いた誘導用線状突起形状の検出に関する研究: 視覚障害者のための屋内誘導システムに関する研究（その2）

摘要

本研究は，突起を用いつつ，より凹凸の少ない誘導システムを構築することを目的とし，突起高さ2mm以下の屋内用誘導システムの突起形状の検討を行なった。その結見を以下に示す。1）検知実験①および検知実験②の結果より，線状突起形状を単体で評価した場合は，突起高さ1mmでは，突起本数3本，突起高さ2mm，では，突起本数2本あるいは3本の評価が高い。%Tactile Walking Surface Indicators (TWSIs), which help visually impaired people traveling alone, could be an extra barrier for pedestrians, wheelchair users, and baby carriage users. The purpose of this study is to develop TWSIs having less heights of flat-topped elongated bars (guiding patterns) than TWSIs compliant with the Japanese Industrial Standard (JIS). This study relates particularly to indoor guidance for visually impaired people. This study examines easily detectable heights of guiding patterns and distinction between guiding patterns and warning patterns. The result indicate that the evaluation of the combination of a guiding pattern which has two bars with a height of 2mm and a warring pattern which has 20mm or 30mm in diameter with a height of 2mm is good.