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New solar cell charging system for green energy through the use of fuzzy logic design

L. Y. CHUNG1,* , K. F. YARN2, C. H. LIEN3, C. H. HUANG4

Affiliation

  1. Department of Applied Geoinformatics, Chia Nan University of Pharmacy & Science,Tainan, Taiwan 717, ROC
  2. Department of Electronic Engineering, Far East University, Tainan, Taiwan 744, ROC
  3. Department of Marine Engineering, National Kaohsiung Marine University, Kaohsiung, Taiwan 811, ROC
  4. Department of Automation and Control Engineering, Far East University, Tainan, Taiwan 744, ROC

Abstract

A new solar cell charging system with fuzzy logic design is proposed in this study. This kind of solar energy storage system is composed of a solar cell, a charger, batteries, a buck converter and a digital signal processor. In other words, it mainly applies a low-voltage level translator to control the pulse charging current of a lead-acid battery and also combines the fuzzy control method to improve the charging efficiency, suppress the abnormal temperature rise in the battery, lengthen the battery life-time, reduce the additional waste, etc. Finally, the experimental and simulated results are shown to demonstrate the validity of the system and verify the effectiveness with each other.

Keywords

Solar cell, Fuzzy logic, Battery charging system, Green energy.

Citation

L. Y. CHUNG, K. F. YARN, C. H. LIEN, C. H. HUANG, New solar cell charging system for green energy through the use of fuzzy logic design, Optoelectronics and Advanced Materials - Rapid Communications, 3, 2, February 2009, pp.94-100 (2009).

Submitted at: Nov. 10, 2009

Accepted at: Feb. 13, 2009