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专利名称: 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
其他题名: Cement decomposing furnace temperature control method based on constraint smith GPC
作者: 王宏; 王卓; 张彦武; 苑明哲; 王天然; 吴星刚
所属部门: 工业信息学研究室
专利权人: 中国科学院沈阳自动化研究所
专利代理: 沈阳科苑专利商标代理有限公司 21002
专利国别: 中国
专利类型: 发明授权
专利状态: 有效
摘要: 本发明涉及一种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,包括:变量选取:选取煤粉流量为控制变量,生流流量为前馈变量,分解炉温度为被控变量;模型辨识:基于最小二乘法和滞后时间估计法相结合的模型辨识器,得到脉冲传递函数模型;优化计算:预测未来的输出状态,并设定输出值的参考轨迹w;应用二次型性能指标的控制器进行滚动优化,计算当前时刻的控制增量Δu,加得到控制动作值u;约束处理:对控制变量和被控变量分别进行约束限幅处理;前馈补偿:利用动态补偿原理计算当前时刻t应加于系统的前馈控制动作值ud。本发明方法辨识过程简单,可调参数少,跟踪性能好,鲁棒性强,有效抑制生料流量波动带来的扰动影响;防止系统变量发生跳变。
英文摘要: The 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.
是否PCT专利:
申请日期: 2008-12-05
公开日期: 2010-06-23
授权日期: 2011-12-21
专利申请号: CN200810229334.0
公布/公告号: CN101751051B
语种: 中文
产权排序: 1
内容类型: 专利
URI标识: http://ir.sia.cn/handle/173321/14235
Appears in Collections:工业信息学研究室_专利

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Recommended Citation:
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. CN101751051B. 2010.
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