Identification and dynamic inversion-based control of a pressurizer at the Paks NPP

被引:6
|
作者
Szabo, Zoltan [1 ]
Szederkenyi, Gabor [1 ]
Gaspar, Peter [1 ]
Varga, Istvan [1 ]
Hangos, Katalin M. [1 ]
Bokor, Jozsef [1 ]
机构
[1] Hungarian Acad Sci, Comp & Automat Res Inst, H-1111 Budapest, Hungary
基金
匈牙利科学研究基金会;
关键词
Safety-critical systems; Robust control; Model identification; Networked control; Dynamic inversion; Nuclear power plant; NETWORKED CONTROL; SYSTEMS; MODEL; IDENTIFIABILITY; STABILITY; HAMMERSTEIN;
D O I
10.1016/j.conengprac.2010.02.009
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The paper presents the design of a pressure controlling tank located in the primary circuit of a Nuclear Power Plant. All steps from modeling through control design to implementation are detailed. Based on first engineering principles a second-order Wiener model is formulated and its unknown parameters are identified. The control design is based on a dynamic inversion method. The performance of the designed closed-loop system is tuned by an error feedback. The implemented controller is of a distributed structure including measurement and control PLCs, a continuous power controller and a special supervisor module. The nominal stability of the controller in the networked environment is analyzed by using the maximum allowable transmit interval. The hardware and software design and implementation obey the safety-critical requirements imposed by the special nature of the plant. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:554 / 565
页数:12
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