Development of a measuring system of contact force during braille reading using an optical 6-axis force sensor.
A system with an optical 6-axis force sensor was developed to measure contact force during braille reading. In using this system, we encountered two problems. One is a variability of output values depending on the contact point. This was solved by using two transformation techniques. The other is that subjects read braille in a different manner from the usual. We compared two manners of braille reading, one-handed vs two-handed, and found a small reduction in reading speed. Using this system, we collected data from four braille readers and quantitatively showed more minute contact force trajectories than those in earlier studies.
Watanabe
T
T
Nat. Inst. of Special Educ., Yokosuka, Kanagawa, Japan. twatanab@nise.go.jp
Oouchi
S
S
Yamaguchi
T
T
Shimojo
M
M
Shimada
S
S
D000293:Adolescent; D000328:Adult; D000465:Algorithms; D000535:Aluminum / Q000737:chemistry; D001766:Blindness / Q000534:rehabilitation*; D002138:Calibration; D004867:Equipment Design; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012682:Sensory Aids; D013314:Stress, Mechanical; D013997:Time Factors; D014110:Touch
D000535:Aluminum