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过热汽温多内模控制
引用本文:赵英,丁维明. 过热汽温多内模控制[J]. 能源研究与利用, 2007, 0(2): 37-39
作者姓名:赵英  丁维明
作者单位:东南大学能源与环境学院,江苏,南京,210096;东南大学能源与环境学院,江苏,南京,210096
摘    要:针对火电厂过热汽温被控对象具有大迟延、大惯性的特点,且对象特性随负荷变化较大等因素,很难实现稳定和高性能的控制。针对这一特点,提出了基于多模型的内模控制策略,通过在不同工况辩识得到局部模型,根据加权因子计算出全局多模型,设计出相应的内模控制器,根据运行工况选择相应的控制器,从而实现全工况运行的自适应控制。仿真结果表明,该控制策略比常规的单内模控制在更大范围具有较好的控制品质。

关 键 词:过热汽温  多模型  内模控制
文章编号:1001-5523(2007)02-0037-03

Multiple internal model control of superheated steam temperature of power plant
ZHAO Ying,DING Wei-ming. Multiple internal model control of superheated steam temperature of power plant[J]. Energy Research and Utilization, 2007, 0(2): 37-39
Authors:ZHAO Ying  DING Wei-ming
Abstract:According to the performance of superheated steam temperature,Multiple internal model control(MIMC) design strategy was developed,the localization models are obtained by the weighted-sum,and the general multiple models are calculated according to the weighter factor,their corresponding internal controllers are designed.By choosing an appropriate controller according to the operating conditions,the self-adaptive control of the total operating conditions is realized.The simulation results show that the method is effective.
Keywords:superheated steam temperature  multiple model  internal model control
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