Abstract

The majority visually impaired persons are using a white cane to move within their environment. They avoid to collision the obstacles by detecting objects when swinging white cane touches them. An automatic door is opened when it detects the person comes to it by the sensor, for example, infrared sensor. This kind of automatic doors are very useful because we need not touch the doors in order to open them. However, for majority visually impaired persons, it is difficult to detected automatic doors because they detect the object by touching. In this paper, we propose the detection method which tells the existence of automatic doors to the visually impaired person. The device is consisted of an infrared sensor and a vibration motor. The infrared sensor is put on the tip of the white cane and the vibration motor is put on close to the hand. And when it detects the infrared signal, the vibration motor runs. Then the visually impaired persons can through the automatic door in safety without any cares

Highlights

  • These reports proposed the improvement of the door sensors in order to decrease misdetections and the number of door movement became one-third than the conventional automatic door

  • By setting a vibration motor to the grip of the white cane, it is possible to notify the user of the existence of the automatic door by tactile sensation

  • For visually impaired person we proposed the detection method for the automatic doors

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Summary

INTRODUCTION

The doors become automatically, we need not to stop to open the doors. For the visually impaired person it is difficult to find such automatic door because they need to touch it in order to detect it. Impaired person supplements its 83%-information primarily with hearing, touching and their experience They walk with the white cane which tells around information to themselves. The visually impaired person cannot find the location of the automatic door which needs not to be touched. Their body and face are hit by the wall because they cannot recognize the centre of the automatic door and the border between the door and the wall. The automatics door detects the person movement in order to open and close, using the sensors, in particular the infrared sensor.

ABOUT THE AUTOMATIC DOOR AND ITS SENSORS
Infrared Sensor
PROPOSED DETECTION METHOD
THE EXPERIMENT AND ITS RESULTS
CONCLUSION
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