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Jhon E. Candelo-Becerra
Universidad Nacional de Colombia Sede Medellín
Computer Science & IT Electrical & Electronics Engineering

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Mobile robot turned on by sound and directionally controlled by an external light source Luis G. Lafaurie; Fredy E. Hoyos; Jhon E. Candelo-Becerra
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 4: August 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3432.687 KB) | DOI: 10.11591/ijece.v9i4.pp2840-2847

Abstract

This paper presents theoretical, numerical, and experimental tests of a mobile robot, which starts on the emission of a strong sound, like an applause, and the direction and speed of the vehicle is controlled by an external pulsed light source (PWM signal). The simulation is performed in MATLAB-Simulink; electrical circuits and the experiment are shown in detail. The results show that the vehicle speed can be controlled with a PWM signal from an external light falling on the LDR sensors. Besides, the circuit was designed to consume less than 1 ampere with the four motors moving at full speed, which can easily be powered by lithium battery.
Co-Authors Fredy E. Hoyos Luis G. Lafaurie