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PID Self-tuning Immune Fuzzy Control of Steam Temperature Control System in Fossil-fired Power Plant

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4 Author(s)
Changbo Xu ; Shandong Electr. Power Res. Inst., Jinan ; Congcong Liu ; Zhenfu Bi ; Chengjin Zhang

A new design method of PID self-tuning immune fuzzy control was proposed to control the steam temperature system in fossil-fired power plant. Two fuzzy controllers, fuzzy self-tuning controller and immune P fuzzy controller, are designed to strengthen the normal PID cascade control. The outputs of self-tuning fuzzy controller are applied to tune the parameters of PID; the output of immune P fuzzy controller is transformed to regulate the proportion gain by the law of immunity feedback response in biology. Simulation results show that the control performance of this strategy is superior to that of normal PID cascade control. It is featured by strong robustness and self-adaptability, and can readily accommodate itself to the parameters variation

Published in:

Intelligent Control and Automation, 2006. WCICA 2006. The Sixth World Congress on  (Volume:1 )

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