Development of the control system for LEGO Mindstorms EV3 mobile robot based on MATLAB/Simulink elements

Authors

DOI:

https://doi.org/10.15587/2706-5448.2023.274846

Keywords:

mobile robot, LEGO Mindstorms EV3, MATLAB/Simulink, controller, control system, line-following

Abstract

The Mindstorms EV3 robot, developed by LEGO, is one of the popular robots that has been widely used in various fields. Unlike previous versions of mobile LEGO robots, EV3 allows the development of real-time applications for teaching a variety of subjects, as well as for conducting research experiments. The object of research in this case is the Mindstorms EV3 robot connected to MATLAB/Simulink. The design consists of a controller, one color sensor, two servo motors and one support wheel. Each servo motor is built on a DC collector motor with a matching gearbox and has the ability to measure the number of revolutions corresponding. A digital sensor with a sampling frequency of 1 kHz is used as a color sensor, which can determine the color or brightness of light. Despite its popularity, the EV3 robot control system in interaction with the MATLAB/Simulink programming environment is a rather complex solution and therefore requires further research. The scientific part of the research focuses on discovering the regularities of the Mindstorms EV3 control system, developing a control system model, and exploring the potential of MATLAB/Simulink to expand the robot's capabilities. An analysis of the main elements of the control system, such as sensors and servos, was carried out. The graphs of the dependences of the characteristics of the servo drives were built and the efficiency of the robot movement was checked depending on the parameters set in the program. The result of the development of the mobile robot control system was the adjustment of the mobile robot movement regulators along a given trajectory in the form of a drawn line, which allowed estimating the maximum permissible speed of the robot movement. The presented research and development of a control system based on MATLAB/Simulink elements allows using the proposed method to control a mobile robot with high precision, analyze and verify the robot's electromechanical parameters in real time. This control system has a high potential and can practically be integrated into industrial objects of mobile robotics, provided types the sensors and executive mechanisms of the mobile robot match.

Supporting Agency

  • This study is financially supported by the National High Level Foreign Experts Introduction Project (G2022014116L) and Yancheng Key Technology Unveiling Project (Research, development and application of intelligent unmanned boat and cluster control technology). Presentation of research in the form of publication through financial support in the form of a grant from SUES (Support to Ukrainian Editorial Staff).

Author Biographies

Chengjian Dong, Yancheng Polytechnic College

School of Automobile and Transportation

Oleksii Povorozniuk, Admiral Makarov National University of Shipbuilding

Postgraduate Student

Department of Computerized Control Systems

Andriy Topalov, Admiral Makarov National University of Shipbuilding

PhD, Associate Professor

Department of Computerized Control Systems

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Development of the control system for LEGO Mindstorms EV3 mobile robot based on MATLAB/Simulink elements

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Published

2023-02-28

How to Cite

Dong, C., Povorozniuk, O., Topalov, A., Wang, K., & Chen, Z. (2023). Development of the control system for LEGO Mindstorms EV3 mobile robot based on MATLAB/Simulink elements. Technology Audit and Production Reserves, 1(2(69), 30–35. https://doi.org/10.15587/2706-5448.2023.274846

Issue

Vol. 1 No. 2(69) (2023): Information and control systems

Section

Systems and Control Processes

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Copyright (c) 2023 Chengjian Dong, Oleksii Povorozniuk, Andriy Topalov, Kai Wang, Zhicong Chen

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