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Abstract

This research proposes the use of a robotic system for soccer training. The purpose of this research is to devise, build, and demonstrate a vector-based mecanum-drive robot to act as an impediment to a soccer player dribbling toward a known goal target. Successful implementation of the system is defined by the robot maintaining its objectives during interaction with the human player in a specified test environment: maintaining a three-point linearity between the player and goal target; maintaining an appropriate distance from the player, known as the buffer zone, whose center is the human player and whose radius is between 0.5 and 1 meter; and maintaining orientation with the robot’s front aligned tangent to the buffer zone circumference.The robot’s objectives are demonstrated in a test environment that is indoors with standard ambient light conditions and smooth, untextured concrete surface with a minimum useful area of 5 meters by 5 meters. Prior to the match, the human player begins in the corner opposite to the target, while the robot begins in the center of the test area. The game begins with the human player presses the start button; the robot indicates commencement of the match to the human player; the game ends when time expires or the player presses the stop button.During the match, data from the robot’s front and rear camera sensors are fused to create appropriate vectors defining robot strafe magnitude and direction for maintaining linearity and buffer zone distance, as well as required rotation for maintaining buffer zone tangency. Data collected through trials is used to verify system function and optimize autonomous control. A Proof-of-Concept Robotic System was constructed and proved ultimately successful in demonstrations against a player of reasonable ability. This project extends the previous work of Dr. Aidan Browne and Stephen Padgett: applying a vector-based drive system (Mecanum) with a vector-based sensor (Slamtec - RPLIDAR-A1: 2D Puck LiDAR) through enhancement of its Obstacle Tracking and Avoidance System.

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