原子能科学技术
原子能科學技術
원자능과학기술
ATOMIC ENERGY SCIENCE AND TECHNOLOGY
2014年
7期
1250-1255
,共6页
钱虹%金蔚霄%骆建波%周金明
錢虹%金蔚霄%駱建波%週金明
전홍%금위소%락건파%주금명
系统辨识%自回归遍历模型%核功率动态特性%建模%Matlab仿真%最小二乘法
繫統辨識%自迴歸遍歷模型%覈功率動態特性%建模%Matlab倣真%最小二乘法
계통변식%자회귀편력모형%핵공솔동태특성%건모%Matlab방진%최소이승법
system identification%autoregressive exogenous model%nuclear power dynamic characteristics%modeling%Matlab simulation%least square method
本文提出了机理建模与基于最小二乘法的自回归遍历模型参数辨识相结合的建模方法，用于辨识核功率动态特性；建立以外部引入反应性变化为输入，核功率变化量为输出的核功率动态特性数学模型；在Matlab/Simulink中对所建立的模型进行仿真验证，验证了此辨识方法在核功率动态特性模型建立方面的可行性，以及所建模型的可用性。
本文提齣瞭機理建模與基于最小二乘法的自迴歸遍歷模型參數辨識相結閤的建模方法，用于辨識覈功率動態特性；建立以外部引入反應性變化為輸入，覈功率變化量為輸齣的覈功率動態特性數學模型；在Matlab/Simulink中對所建立的模型進行倣真驗證，驗證瞭此辨識方法在覈功率動態特性模型建立方麵的可行性，以及所建模型的可用性。
본문제출료궤리건모여기우최소이승법적자회귀편력모형삼수변식상결합적건모방법，용우변식핵공솔동태특성；건립이외부인입반응성변화위수입，핵공솔변화량위수출적핵공솔동태특성수학모형；재Matlab/Simulink중대소건립적모형진행방진험증，험증료차변식방법재핵공솔동태특성모형건립방면적가행성，이급소건모형적가용성。
In this paper ,an identification modeling method was put forward .It com-bines the mechanism modeling and the parameter identification of autoregressive exoge-nous model based on least square method .The dynamic characteristics of nuclear power were identified with this method .The nuclear power dynamic characteristic model with the external reactive change as the input and the nuclear power variation as the output was established .The established model was verified in Matlab/Simulink .The feasibility of the identification method used for modeling of nuclear power dynamic characteristics and the availability of the established model were verified .
