A solar tracking system is made to energy efficiency improvement of PV. The significant increase of solar energy is received by PV in the end of day when PV is connected to a solar tracker. Solar tracker can be classified into two models based on tracking mechanism: active (electrooptics) and passive (solar path). Electrooptical based a solar tracker system has weakness in locating the sun position when cloudy or it can be easily influenced weather condition. In this research, a passive two axis solar tracking system, where the proposed tracking method is based on solar trajectory calculation, is designed, tested and installed on PV to overcome weather problems. A type-2 Fuzzy Logic Controller (FLC) was designed and implemented for controlling this system. Meanwhile, type-1 FLC was also realized on the system and the performance of the control method was investigated and compared with type-2 FLC. The experiment results obtained showed overall type-2 FLC has a better performance than type-1. The efficiency of the proposed solar tracker over the period of the experiment was around 48 % of fixed system.

Original languageEnglish
Pages (from-to)390-398
Number of pages9
JournalInternational Review of Electrical Engineering
Issue number3
Publication statusPublished - 1 Jun 2015


  • PV
  • Passive solar tracker
  • Two-axis
  • Type-2 FLC


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