基于多模型策略的压水堆堆芯功率控制与仿真

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PWR Core Power Control and Simulation Based on Multi-Model Strategy

1. Electric Power Research Institute of Guangdong Power Grid Corp., Guangzhou, 510600, China;
2. School of Nuclear Science Technology, Xi'an Jiaotong University, Xi'an, 710049, China

摘要: 在建立压水堆堆芯非线性模型的基础上求取5个功率水平处的线性化模型作为堆芯局部模型,以局部模型组合替代堆芯非线性模型。利用基于局部模型全维观测器的全状态反馈法,设计带有鲁棒性能的局部模型控制器作为非线性堆芯局部控制器,用于相应功率水平域内的功率控制。仿真结果表明,所设计的堆芯多模型控制系统能很好地控制堆芯功率。
- 压水堆堆芯 /
- 观测器 /
- 状态反馈 /
- 多模型控制
Abstract: The Pressurized Water Reactor（PWR） core nonlinear model is built and the linearized models of the core at five power levels are respectively calculated as local models of the core to approximately substitute the core model.The full-state feedback method with a full-state observer of a local model is utilized to design a controller with robustness of every local model,which is treated as a local controller of the core for controlling the nonlinear core within a corresponding range of power level.The simulation results show that the core multi-model control system can satisfactorily control the core power.
- PWR core /
- Observer /
- State feedback /
- Multi-model control