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Voice-Guided Mobile Robot System for Disabled People
Abstract
Mobility is one of the most important problems for totally and partially disabled people in daily life. Disabled people need some assistive stick or device to avoid obstacles before an accident. This research work proposes to assist disabled people in their daily routines without human guidance. There are four main sections in this paper. Firstly, in the obstacle detection system, five ultrasonic sensors sense the obstacles in the front side, left side, and right side of the user's way on the ground and another ultrasonic sensor senses the overhanging obstacles near the user's head level. Secondly, in an obstacle avoidance system, the servo steering motor is equipped with the front wheel of the stick's base. The wheel with servo motor will turn easily to the left direction or right direction depending on the detecting or sensing of the ultrasonic sensors. Thirdly, in the voice-guided system, there are six recorded human voice messages in the Myanmar language for disabled users in the author's country, Myanmar.
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