ADVANCED MULTI-PURPOSE ROBOTIC WHEEL CHAIR WITH MULTI-MODE COMMUNICATION FACILITY

Abstract

Most of the wheelchair is designed in such a way that it needs an aid or support by another person but
there are people with visual challenges, hearing challenges and patients suffering from Parkinson disease,
coma etc. The other area where it is difficult is to climb stairs and pick up things from floor. Our proposed
wheelchair solves most of these issues. For visually challenged people it has vibrating alert system which
indicates an obstacle or a pit on-the-way. This is distinguished by ultrasonic sensors placed on the
wheelchair which constantly updates the distance from walls and doors of the room, by triangular sensor
method. It helps the person in safe locomotion from one room to another. Even if the person accidentally
moves towards unsafe area it automatically stops and does not move further. The doctor or midwife can
take care of the person from the control room via wireless cam as it is WIFI enabled, by mobile phone or
computer with Bluetooth interface, and so it helps them to take care of many patients simultaneously. It has
DTMF based control to control patient at farther distance and voice control facility to control through
speech, for physically challenged patient. For patients suffering from Coma, it has timer facility which
checks the set time say H1:M1: S1 to the actual real time H2:M2: S2. In addition, it has been designed to
pick up things from floor or to pick up book from shelf which is achieved by the piston which lowers and
raises the seat of the patient along with sensors available to measure the heart rate and temperature of the
patient.