DC motor position control of a solar tracking system using second order sliding mode

Abstract

This paper deals with the DC motor position control using second order sliding mode technique in aim to position a solar tracker front of the sun throughout the day. A short description of the studied system is introduced and the modeling of the DC motor using electrical and mechanical equations is shown. Thereafter, a comparative study using PI controller and second order sliding mode is presented in order to control the position of the DC motor. Finally, simulation results using Matlab/Simulink is presented to show the performance of the proposed techniques in position control of the DC motor.