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Journal of Applied Sciences
  Year: 2012 | Volume: 12 | Issue: 4 | Page No.: 381-386
DOI: 10.3923/jas.2012.381.386
 
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An Indirect Adaptive Controller to Regulate UTSG Water Level in Pressurized Water Nuclear Reactor

Khaled Halbaoui, Touati Said, Djamel Boukhetala and Feres Boudjema

Abstract:
Stabilizing water level of the Steam Generator (SG) in nuclear power plant is a very important problem since its parameters vary with operating conditions and dynamics of the system is very different according to the power levels and changes as time goes on. Therefore, it is an intractable as well as challenging task to improve the water level control system of the SG. In this study, a new framework for building an adaptive Minimum Variance controller for stabilizing water-level of SG is proposed. We use the recursive least squares algorithm to identify the Input/Output models. Minimum Variance Control (MVC) law is also used to develop the adaptation controller. Emphasis is put on the evaluation of the parameter identification in order to avoid instabilities because of disturbances or insufficient excitations. This is especially of importance when the adaptive control is carried out in closed loop systems and without additional test signals. The algorithm so proposed is simulated and applied to the water level control in the U-Tube Steam Generating unit (UTSG) used for electricity generation. It is shown through application to a nonlinear model of steam generators that the proposed controller has good performance.
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How to cite this article:

Khaled Halbaoui, Touati Said, Djamel Boukhetala and Feres Boudjema, 2012. An Indirect Adaptive Controller to Regulate UTSG Water Level in Pressurized Water Nuclear Reactor. Journal of Applied Sciences, 12: 381-386.

DOI: 10.3923/jas.2012.381.386

URL: https://scialert.net/abstract/?doi=jas.2012.381.386

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