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Alternative TitleCement decomposing furnace temperature control method based on constraint smith GPC
王宏; 王卓; 张彦武; 苑明哲; 王天然; 吴星刚
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to a cement decomposing furnace temperature control method based on constraint smith GPC, which includes variable selection, model recognition, optimizing computation, constraint processing and feedforward compensation the variable selection includes that: coal powder flow is selected as a control variable, raw flow is selected as the feedforward variable and the decomposing furnace temperature is selected as the controlled variable the model recognition includes that: the model recognizer based on least square method and retardation time estimation time is adopted to obtain a pulse transfer function model the optimizing computation includes that: the future output state is predicated and the reference track w of the output value is also set a secondary performance index controller is adopted for the rolling optimization, the control increment Delta u of the current time is computed to obtain control action value u through addition the constraint processing includes that: the control variable and controlled variable are respectively performed with constraint amplitude limiting processing the feedforward compensation includes that: the dynamic compensation principle is utilized to compute the current time t added to the feedforward control action value ud. The invention has simple recognition process, less adjustable parameters, good tracking performance, strong robustness, effectively refrains the disturbance influence caused by raw material flow and prevents saltus step of the system variable.
PCT Attributes
Application Date2008-12-05
Date Available2011-12-21
Application NumberCN200810229334.0
Open (Notice) NumberCN101751051B
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
王宏,王卓,张彦武,等. 基于约束史密斯广义预测控制的水泥分解炉温度控制方法[P]. 2010-06-23.
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