Paper Title:

The Solar Automatic Tracking Fuzzy PID Control System Based on ARM

Periodical Applied Mechanics and Materials (Volumes 143 - 144)
Main Theme Electrical Information and Mechatronics and Applications
Edited by Xudong Wang, Baoyu Xu and Shaobo Zhong
Pages 391-395
DOI 10.4028/www.scientific.net/AMM.143-144.391
Citation Jing Yan Liu, 2011, Applied Mechanics and Materials, 143-144, 391
Online since December, 2011
Authors Jing Yan Liu
Keywords ARM, Fuzzy Control, Solar Tracking
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Abstract

To improve tracking precision and increase the utilization of solar energy, the solar automatic tracking fuzzy PID control system based on ARM is designed. Embedded microcontroller 32-bit ARM processor is the core. A kind of mixed tracking mode is adopted, and it combines photoelectric tracking mode and solar trajectory tracking mode. In the solar trajectory tracking mode, the fuzzy PID segmented tracking control method is put forward. The fuzzy control and PID control are combined to control the system. If the system's angle deviation is large, PID control is adopted, else fuzzy control is adopted. And the controller can be automatically switched control mode according to the size of angle deviation. Matlab simulation results indicate that the solar automatic tracking system with fuzzy PID control has a good dynamic characteristics and high tracking accuracy, effectively improves the photoelectric conversion efficiency.