DYNAMIC SOLAR POWERED ROBOT USING DC-DC SEPIC TOPOLOGY

M.Mohanraj, Rani Thottungal, S.Johnson

Abstract: This paper provides an idea to maintain constant voltage to the charging battery at both low and high level light intensity by using SEPIC topology in solar powered robot. Here two batteries are used, one is for charging and another is for discharging. When battery 1 get charged in mean time the battery 2 which is already charged is used to run the robot, Switching will be controlled by ARM processor using DPDT relay, and also voltage and current levels are monitored. Maximum Power Point tracking of solar will be done by single axis tracking system.

Keywords: Battery system, Solar MPPT, Robot model, SEPIC topology

DOI: https://doi.org/10.15623/ijret.2014.0302071