Abstract
The confronting problem faced by the handicapped, paralyzed, disabled, and quadriplegic people is their independent mobility. They need external assistance to perform their daily life activities. This paper aims to solve that problem by smart designing and deployment of the robotic wheelchair for those who cannot perform their voluntary activities and movements. The proposed automated wheelchair comprises two parts; the first part is the user's helmet that works as a master device, and the second part is a slave device, a smart wheelchair. The master device consists of an accelerometer, microcontroller, and wireless transmitter, in which the Accelerometer recognizes the movements of the user's head and transmits the signal according to the tiltation of the user's head. Besides this, the slave device consists of a wireless receiver, microcontroller, Gyroscope, power MOSFETs, and DC geared motors mounted on a smart wheelchair, which response as per the instructions of the master device. Furthermore, the paper also provides a brief construction of this mechatronic and amphibian system using static and dynamic equations.
Highlights
Mobility and self-dependency are essential for a good quality of daily life
Wheelchair circuit comprised of Bluetooth module, ATmega328 microcontroller, gyroscope, and power MOSFET
The variation in the speed of the wheelchair on the normal or inclined surface is controlled with the help of a gyroscope that is deployed in the wheelchair circuit, and its responsibility is to give continuous feedback of the wheelchair's orientation angles to the microcontroller
Summary
Mobility and self-dependency are essential for a good quality of daily life. Loss of mobility due to an accident, injury, or illness is usually accompanied by a loss of a comfortable life and that person dependent on others. People with quadriplegia are persons who cannot move their four limbs except the head, where paraplegics are persons who cannot move their two limbs. The cause for such an increase in mobility impairment, as shown, can be different: arthritis, stroke, high blood pressure, degenerative diseases of joints & bones, cases of paralysis, and congenital disabilities. There have been several tests to overcome this problem, such as walking aid robots, muscle suit for nursing care, electric wheelchair, and electrical nursing robots. There are a variety of methods and techniques have been proposed in the world. Brain-Computer Interface (BCI) techniques have been widely
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