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http://dx.doi.org/10.5370/JEET.2014.9.1.352

Online Control of DC Motors Using Fuzzy Logic Controller for Remote Operated Robots  

Prema, K. (Dept. of Electronics and Instrumentation Engineering, SRM University)
Kumar, N. Senthil (Dept. of Electrical and Electronics Engineering, Mepco Schlenk Engineering College)
Dash, Subhransu Sekhar (Dept. of Electrical and Electronics Engineering, SRM University)
Publication Information
Journal of Electrical Engineering and Technology / v.9, no.1, 2014 , pp. 352-362 More about this Journal
Abstract
In this paper, a fuzzy logic controller is designed for a DC motor which can be used for navigation control of mobile robots. These mobile robots can be used for agricultural, defense and assorted social applications. The robots used in these fields can reduce manpower, save human life and can be operated using remote control from a distant place. The developed fuzzy logic controller is used to control navigation speed and steering angle according to the desired reference position. Differential drive is used to control the steering angle and the speed of the robot. Two DC motors are connected with the rear wheels of the robot. They are controlled by a fuzzy logic controller to offer accurate steering angle and the driving speed of the robot. Its location is monitored using GPS (Global Positioning System) on a real time basis. IR sensors in the robot detect obstacles around the robot. The designed fuzzy logic controller has been implemented in a robot, which depicts that the robot could avoid obstacle as well as perform its operation efficiently with remote online control.
Keywords
Differential drive; Fuzzy logic controller; GPS; IR sensors; Mobile robots;
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