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Title: A comparison of fuzzy logic-PID control strategies for PWR pressurizer control

This paper describes the results obtained from a comparison performed between classical proportional-integral-derivative (PID) and fuzzy logic (FL) controlling the pressure in a pressurized water reactor (PWR). The two methodologies have been tested under various transient scenarios, and their performances are evaluated with respect to robustness and on-time response to external stimuli. One of the main concerns in the safe operation of PWR is the pressure control in the primary side of the system. In order to maintain the pressure in a PWR at the desired level, the pressurizer component equipped with sprayers, heaters, and safety relief valves is used. The control strategy in a Westinghouse PWR is implemented with a PID controller that initiates either the electric heaters or the sprayers, depending on the direction of the coolant pressure deviation from the setpoint.
Authors:
;  [1]
  1. (Univ. of Tennessee, Knoxville (United States))
Publication Date:
OSTI Identifier:
5882983
Report Number(s):
CONF-930601--
Journal ID: ISSN 0003-018X; CODEN: TANSAO
Resource Type:
Conference
Resource Relation:
Journal Name: Transactions of the American Nuclear Society; (United States); Journal Volume: 68; Conference: American Nuclear Society (ANS) annual meeting, San Diego, CA (United States), 20-24 Jun 1993
Country of Publication:
United States
Language:
English
Subject:
22 GENERAL STUDIES OF NUCLEAR REACTORS; 21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; PWR TYPE REACTORS; PRESSURE CONTROL; REACTOR CONTROL SYSTEMS; FUZZY LOGIC; SAFETY; COMPARATIVE EVALUATIONS; COMPUTERIZED CONTROL SYSTEMS; TIME DEPENDENCE; TRANSIENTS; CONTROL; CONTROL SYSTEMS; ENRICHED URANIUM REACTORS; EVALUATION; MATHEMATICAL LOGIC; ON-LINE CONTROL SYSTEMS; ON-LINE SYSTEMS; POWER REACTORS; REACTORS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS 220400* -- Nuclear Reactor Technology-- Control Systems; 220900 -- Nuclear Reactor Technology-- Reactor Safety; 210200 -- Power Reactors, Nonbreeding, Light-Water Moderated, Nonboiling Water Cooled