Chess-Playing Robot
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Date
2017
Authors
Khaled, Yaseen
Mohammad, Baker
Ghayth, Azem
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Abstract
The main goal of this project was to create a low-cost chess-playing robot to improve the field of simple robotics design and implementation and make it more available for personal use. Methods for moving pieces on a chessboard was the main issue in our project, so that multiple methods have been evaluated, resulting in the design of a four degrees-of-freedom serial robot arm. Servo motors were chosen as the arm's actuators, providing closed-loop control contained within each motor. An inverse kinematic based on geometric part of closed-form solution method to control the overall movements of the arm and ensure that the arm avoided any potential obstacles in its workspace.
To make the game possible and real, the robotic arm has to be intelligent and to do so, a smart chess board was designed with all sensory configurations to make the robot capable of knowing the position of each chess piece. AI (Artificial intelligence) algorithm were held to enable the robot from deciding which move is the best to take from variety of choices, based on this. The sensory unit was implemented by using hall effect sensors that are connected to the microcontroller, which will form the brain of the robot.
Based on the design obtained, a complete chess-playing robot was created. The robot was designed with relatively good accuracy and reliability, but will require some improvements to increase the control accuracy and motion speed.