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		Xiangjie LIU,Jizhen LIU,Ping GUAN.[en_title][J].Control Theory and Technology,2007,5(1):83~89.[Copy]

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XiangjieLIU,JizhenLIU,PingGUAN
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Received:October 14, 2005Revised:October 14, 2006

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Neuro-fuzzy generalized predictive control of boiler steam temperature

Xiangjie LIU, Jizhen LIU, Ping GUAN

(Department of Automation, North China Electric Power University , Beijing 102206, China;Department of Automation, Beijing Institute of Machinery, Beijing 100085, China)

Abstract:

Power plants are nonlinear and uncertain complex systems. Reliable control of superheated steam temperature is necessary to ensure high efficiency and high load-following capability in the operation of modern power plant. A nonlinear generalized predictive controller based on neuro-fuzzy network (NFGPC) is proposed in this paper. The proposed nonlinear controller is applied to control the superheated steam temperature of a 200MW power plant. From the experiments on the plant and the simulation of the plant, much better performance than the traditional controller is obtained.

Key words: Neuro-fuzzy networks Generalized predictive control Superheated steam temperature