Evolved Fuzzy Control System for a Steam Generator

Poor control of steam generator water level is the main cause of unexpected shutdowns in nuclear power plants. Particularly at low powers, it is a difficult task due to shrink and swell phenomena and flow measurement errors. In addition, the steam generator is a highly complex, nonlinear and time-va...

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Veröffentlicht in:International Journal of Computers Communications & Control 2010-06, Vol.5 (2), p.179
Hauptverfasser: Hossu, Daniela, Făgărășan, Ioana, Hossu, Andrei, Iliescu, Sergiu St
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Făgărășan, Ioana
Hossu, Andrei
Iliescu, Sergiu St
description Poor control of steam generator water level is the main cause of unexpected shutdowns in nuclear power plants. Particularly at low powers, it is a difficult task due to shrink and swell phenomena and flow measurement errors. In addition, the steam generator is a highly complex, nonlinear and time-varying system and its parameters vary with operating conditions. Therefore, there is a need to systematically investigate the problem of controlling the water level in the steam generator in order to prevent such costly reactor shutdowns. The objective of this paper is to design, evaluate and implement a water level controller for steam generators based on a fuzzy model predictive control approach. An original concept of modular evolved control system, seamless and with gradual integration into the existent control system is proposed as base of implementation of the presented system.
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subjects Boilers
Control systems
Flow measurement
Fuzzy control
Modular systems
Nuclear power plants
Plant shutdowns
Predictive control
Steam
Water levels
title Evolved Fuzzy Control System for a Steam Generator
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