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2014•Energy and Energy ConservationRequires access

Fuzzy Control in Boiler Feed Water Control System

Lian Xu-gan

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Abstract

For the characteristics of feed water process of drum boiler,a fuzzy self-tuning PID control method is introduced.The water flow opening is regulated by controlling the water supply valve,and the closed-loop control of flow is achieved by fuzzy self-tuning PID control.Simulation results show that compared with the conventional PID controller,the fuzzy adaptive PID control is of smaller overshoot,faster dynamic response,better stability and stronger anti-interference characteristics,which obtains results superior to the traditional PID control.

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What this paper is about

For the characteristics of feed water process of drum boiler,a fuzzy self-tuning PID control method is introduced.The water flow opening is regulated by controlling the water supply valve,and the closed-loop control of flow is achieved by fuzzy self-tuning PID control.Simulation results show that compared with the conventional PID controller,the fuzzy adaptive PID control is of smaller overshoot,faster dynamic response,better stability and stronger anti-interference characteristics,which obtains results superior to the traditional PID control.

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Available abstract

For the characteristics of feed water process of drum boiler,a fuzzy self-tuning PID control method is introduced.The water flow opening is regulated by controlling the water supply valve,and the closed-loop control of flow is achieved by fuzzy self-tuning PID control.Simulation results show that compared with the conventional PID controller,the fuzzy adaptive PID control is of smaller overshoot,faster dynamic response,better stability and stronger anti-interference characteristics,which obtains results superior to the traditional PID control.

Key concepts: PID controller, Control theory (sociology), Boiler (water heating), Fuzzy control system, Control engineering, Overshoot (microwave communication), Drum, Fuzzy logic

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