Android phone controlled voice, gesture and touch screen operated smart wheelchair

Wheelchairs are used by the people who cannot walk due to physical illness, injury or other disability. Now a days development promises a wide scope in developing smart wheelchair. This paper is to describe an intelligent wheelchair using smart phone is develop to control the rotation of wheel chair based upon voice and gesture movement for the physically challenged persons. In build voice and gesture function are used to control the wheelchair as well as by using smart phone reading SMS, E-mail, News. The sensor used are 8 in which 2 of them are IR sensors the remaining are for temperature, smoke detection, light detection sensors. This system that allows the user to robustly interact with the wheelchair at different levels of the control and sensing. The system is divided into 3 main units Voice recognition through Android, Gesture recognition through Android, Motor control through signal conditioning. The system is based on grouping an android phone with a AVR micro-controller and sensors.