Abstract
This paper focuses on the design and development of Prosthetic hand to help differently-able people who lost their hands due to accidents and diseases. Our research purpose is to develop a master and slave robotic system that will be a substitute for the lost hand to do the day-to-day activities of a person. The person has to wear smart gloves in the hand to do gesture action. The gloves will able to transfer the hand gestures of differently-able people to react suitably and move the hand gripper (which contains spring coils similar to bones in human hand) based on the data from smart gloves. The methodology behind this research is that the analog signals produced in the flex sensor due to the gesture action are transferred to the servo motors to do a similar action in the 3D printed prosthetic hand through the Wi-Fi module. This research project involves two Arduino microcontrollers for communicating and controlling applications in both master and slave sections. A number of flex sensors are placed in the glove to get readings of the motion of human fingers and it is transmitted through the Wi-Fi module by using the Arduino microcontroller. The transmitted signals are received by the Wi-Fi module in the slave section through the Arduino microcontroller and further uses this signal to control various servo motors and it controls the slave robotic hand by using the ropes attached between the servo motor and 3D printed parts. Not only for differently-able people, but the enlarged model of this project can also be used in industries to handle hazardous, harmful, high temperatures and harmful things.
Highlights
Several studies are being carried out in the scientific and engineering discipline to develop a prosthetic hand with improved abilities
The transmitter section consists of five flex sensors, Arduino microcontroller, Wi-Fi module, battery and they are mounted on a glove that has to be worn by the user
The receiver section consists of five servo motors, Arduino microcontroller, Wi-Fi module, battery and they are connected to the 3D printed prosthetic hand
Summary
In the 21st century, people want to obtain a healthy and high-quality lifestyle. At this point, robots will alter our daily. The hands which are one of the most vital elements of our human body are replicated as a robotic system. Several studies are being carried out in the scientific and engineering discipline to develop a prosthetic hand with improved abilities. The prosthetic hand which is available in the market with excellent features may be very expensive and certain people can only buy it. This research aims to develop a low-cost robotic hand by using readily available and broadly used mechatronics components. The prosthetic hand must carry out the day-to-day activities like taking, holding and placing an item and giving hand signs
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