Design of Intelligent Guide Vehicle for Blind People

Abstract:

Traditionally, guide dogs are used as a travel aid for blind people. But they cannot be popularized because the training cost for guide dogs is quite high. This paper presents an intelligent guide vehicle prototype for blind people. The system is developed by using ARM as a controller and processor, via integration of ultrasonic detection and photoelectric detection technology, aiming at automatically navigation for blind people. This system mainly consists of four modules, which are ultrasonic detection module, photoelectric detection module, voice prompt module and automatic control module. The signal reflected by roadblock on the road can be detected by ultrasonic detection module which can work out distance between roadblock and guide vehicle. The aim of photoelectric detection module is to realize the function of road recognition and tracking. Voice prompt module can provide information of distance of roadblock. Strategies of obstacle avoidance were taken to the blind when the guide vehicle is going to avoid roadblock. If the roadblock is less than 50cm away, the automatic control module will automatically set the guide vehicle to avoid obstacles. Preliminary experimental results show that users can control and navigate with the intelligent guide vehicle.

• Periodical: Applied Mechanics and Materials (Volumes 268-270)
• Pages: 1490-1493
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.268-270.1490
• Online since: December 2012
• Authors: Xiao Wen Xu, Jin Yi He
• Keywords: Blind People, Intelligent Guide Vehicle, Obstacle Avoidance, Ultrasonic Detection

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DOI: 10.1109/iecon.2010.5675535