CAJ | 학술논문

针对核电站蒸汽发生器水位控制的非线性分布特点,在自抗扰控制技术的基础上结合多模型控制提出了蒸汽发生器水位系统新的控制方案.在该控制方案中,对蒸汽发生器设计了多模型控制系统,并针对各个模型分别设计了不同负荷下的自抗扰控制器,可以对扩张状态进行在线实时估计,因此设计的扰动补偿不依赖于模型便能够达到快速消去扰动的效果.将该方法用于蒸汽发生器水位控制系统进行仿真研究,结果表明：该控制方案实现了对蒸汽发生器水位良好的动态控制,具有较强的鲁棒性和抗干扰能力,且算法简单,便于调试.
침대핵전참증기발생기수위공제적비선성분포특점,재자항우공제기술적기출상결합다모형공제제출료증기발생기수위계통신적공제방안.재해공제방안중,대증기발생기설계료다모형공제계통,병침대각개모형분별설계료불동부하하적자항우공제기,가이대확장상태진행재선실시고계,인차설계적우동보상불의뢰우모형편능구체도쾌속소거우동적효과.장해방법용우증기발생기수위공제계통진행방진연구,결과표명：해공제방안실현료대증기발생기수위량호적동태공제,구유교강적로봉성화항간우능력,차산법간단,편우조시.
Considering the nonlinear distribution characteristics of water level control for steam generator in nuclear power plants,a novel control strategy is proposed in combination of active disturbance rejection technology with multimodel-based control,in which a multimodel-based control system is designed for the steam generator,and an independent active disturbance rejection controller is prepared for each model under different loading conditions,so as to realize online estimation at extended states,and achieve prompt disturbance elimination by independent disturbance compensation.Simulation results show that the control strategy can help to realize accurate dynamic control for water level of steam generator,which is featured by strong robustness,high disturbance rejection capability,simple computation and facile commissioning.