Practical Design of an Upper Prosthetic Limb Using Three Dimensional Printer with an Artificial Intelligence Based Controller

Abstract

A noticeable rate of people suffer from a disability due to war and other reasons. One group of disabled people is those who have lost their arms, which makes it challenging to perform basic tasks. This paper proposes a solution that will make life easier for amputees. The study is based on the EMG (Electromyography) signal acquired from muscles and the movement detected using HMI (Human Machine Interfacing). The practical arm is designed with a computer-aided design using SolidWorks software. A 3D printer FDM (Fused Deposition Modeling) with Polylactic Acid “PLA” was used to fabricate the Prosthetic Limb using an open-source prototype named Hackberry hand from Exiii Company. An actual circuit design is arranged using simple tools that cost more minor and consists of simple sensors, motors, and Arduino Nano. The findings show that the database extracted 416$\times$ 4 is presproced classified and tested using KNN (K nearest neighbor) with 94% rate, and obtained 95% with SVM method to recognize four different motions raising the index finger, holding a card with the thumb and forefinger, fist and spread.