Abstract:

The present-day society demands the people to be independent, irrespective of their natural challenges, mentally or physically. Physically impaired people have to rely on someone for fulfilling their even minor needs. The probability of them to go and interact with the outside world is very minimal unless they are provided with modern moving tools such as a Wheelchair. There are two possibilities of either using manual driven or electric powered driven wheelchairs. The former solution is only for the people who have disability in lower limbs and also long-term usage poses further health problems. Additionally, the efficiency of the manual driven wheelchairs is merely 10-20%. This project aims to control a wheelchair by means of human voice. It enables the disabled people who can’t move their hands and legs to move around independently using the voice recognition application which is interfaced with motors to make the movement easy as much as possible, using a voice recognition application which is interfaced with motors. The prototype of the wheelchair is built using a computer software, in addition to its versatility and performance in mathematical operations and communication with other electronic devices. The system has been designed and implemented in a costeffective way so that if our project is commercialized the needy users in developing countries will benefit from it. In order to do that we applied a program carried on Arduino circuit which is connected to the voice recognition the signal operates a motor to control the movement of the chair.In this way we have obtained a wheelchair which can be driven with using voice commands and with the possibility of avoiding obstacles and downstairs or holes detection. The wheelchair has also been developed to allow autonomous driving. The project, in which prototype has been produced, electronic system configuration, a sensor system, a mechanical model, voice recognition and autonomous control are considered.

Description:

Android Application, Wheel chair, physically Challenged, Ultra sonic Sensor, Voice Command, HC-05 Bluetooth Module, DC Motors, Arduino UNO Micro-controller