Design and Implementation of smart wheelchair

Abstract

This paper is devoted to speech controlled wheelchair for physically disabled person is developed which can be used for different languages.

The main objective of the proposed system is to design a smart, motorized, and voice-controlled wheelchair using an embedded system to assist physically disabled and elderly people who have difficulty moving. The system design incorporates a voice activation system that allows the user to control the movement of the wheelchair through voice commands. The voice command is given through a Bluetooth-enabled cellular device, and the command is then transferred and converted to a string by the BT Voice Control for Arduino, which is then transferred to the Bluetooth module connected to the Arduino board to control the wheelchair. For example, when the user says "Go," the chair will move in the forward direction, "Back" for the backward direction, "Left" and "Right" for rotating the chair, and "Stop" to stop the wheelchair. This system is designed and developed to save cost, time, and energy, and reduce the dependence on others for the movements of the wheelchair-using physically handicapped person. Additionally, the design incorporates an ultrasonic sensor to detect obstacles and prevent collisions.