Abstract
A robotic wheelchair is assumed to be capable of doing tasks like navigation, obstacle detection, etc. using sensors and intelligence. The initial part of the work was development of a cap controlled wheelchair to test and verify the gesture operation. Following that, a real time operating wheelchair was developed consisting of mode changing option between joystick control mode and head gesture control mode as per as the user’s requirement. The wheelchair consists of MPU6050 sensor, joystick module, RF module, battery, dc motor, toggle switch and Arduino. The movement of the head is detected by MPU6050 and the signal is transmitted to the microcontroller. Then the signal is processed by controller and motion of wheelchair is enabled for navigation. The wheelchair was capable of moving left, right, forward and backward direction. The speed of the wheelchair was 4.8 km/h when tested. Design objective of the wheelchair included cost effectiveness without compromising safety, flexibility and mobility for the users.
Highlights
Disability is a curse for a country developing country
A real time operating wheelchair was developed consisting of mode changing option between joystick control mode and head gesture control mode as per as the user’s requirement
The wheelchair consists of MPU6050 sensor, joystick module, RF module, battery, dc motor, toggle switch and Arduino
Summary
Disability is a curse for a country developing country. It is regarded as an embarrassment to the family the disabled people belongs to. B et al [3] developed a simple cost effective wheelchair with minimum assistance to the person suffering with Quadriplegia or Paraplegia They proposed a microcontroller based control system by employing simple head gestures for directions like left, right, front, and back which is done by Micro-electromechanical systems (MEMS) technology. We are focusing on fabricating a wireless head gesture controlled smart wheelchair with joystick control It will develop the self-assistive skill and they will be much more independent on controlling their movement. The motor we used are very powerful, but rest of the components are easy to access & user friendly This wheel chair can be controlled both head gesture & joystick by switching their mode in a toggle switch
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