Innovative Techniques Using Wireless Sensors in Designing Smart System for Disabled Patients

Physically challenged persons find their movements very tough with the existing assistive devices (Joysticks in cases of higher disability. Though there are many methods available in recent times to enable their motility they require fine and precise control which is most of the times not possible. In recent times there have been various control systems developing specialized for people with various disorders and disabilities. This paper reports the preliminary work in developing a robotic wheelchair system that involves the movement of eyeball and head kinematics in directing the wheel chair. The system enables the patient to have command over the chair, its direction of movement and will also sense and alarm the user about the obstacles in the path to avoid collision. This wheelchair helps the patient to move in environments with ramps and doorways of little space. Generally an automated wheelchair must be highly interactive to enable the system to work most efficiently.