Design of an automatic solar tracking controller: Solar tracking controller

Abstract

Each day sun illuminates the whole earth by rising in east and setting in the west. The parallel rays of the sun irradiating directly gives the best output and hence the panel must directly face the sun throughout the day for maximum efficiency. The designed solar tracker is controlled using controllers and servo motor to obtain the good performance. The system can be programmed to rotate at various step angles as per need and also the sensitivity of the system can also be altered giving much greater flexibility over traditional systems. The system has been designed for single axis tracking but the algorithm can be extended to be used for dual axis tracking as well.