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专利名称: 一种水泥生料立磨压差的智能控制方法
其他题名: Method for intelligently controlling pressure difference of cement raw meal vertical mill
作者: 苑明哲; 王卓; 宁艳艳; 朱光
所属部门: 信息服务与智能控制技术研究室
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
专利状态: 有效
摘要: 一种水泥生料立磨压差的智能控制方法,选取磨内压差为主要被控变量,外循环电流为辅助被控变量,喂料量为主要控制变量,喷水量为辅助控制变量。根据磨内压差和外循环电流信息采用产生式规则方法判断当前的生产工况。在正常工况下,采用GPC-PID(Generalized?Predictive?Control?PID,GPC-PID)控制磨内压差。本发明无需分析生料立磨粉磨物料的复杂过程,只需利用过程输入输出数据就可以建立描述压差随喂料量大小变化的数学模型,辨识过程简单,且可以在线辨识;对生产工况的变化有一定的适应性;充分利用广义预测控制算法多步预测、滚动优化和反馈校正的优点,和PID算法简单、鲁棒性强的优点,且大大减轻了现场操作员的劳动强度。
英文摘要: The invention discloses a method for intelligently controlling the pressure difference of a cement raw meal vertical mill. In the method, internal pressure difference of the mill is taken as a major controlled variable, external circulating current is taken as an auxiliary controlled variable, a feeding amount is taken as a major control variable, and a water spray amount is taken as an auxiliarycontrol variable. The method comprises the following steps of: judging a current production condition according to the internal pressure difference of the mill and external circulating current information with a production rule method and under the normal working condition, controlling the internal pressure difference of the mill by adopting GPC-PID (Generalized Predictive Control-Proportion Integration Differentiation). In the method, a mathematic model for describing the change of the pressure difference along with the feeding amount can be established only by using input and output data of a process without analyzing the complex material milling process of the raw meal vertical mill, the identifying process is simple, and online identification is available the method has certain adaptability to the change of the production condition and the advantages of multistep prediction, rolling optimization and feedback correction of a GPC algorithm as well as the advantages of easiness and high robustness of a PID algorithm are fully utilized, so that the labor intensity of field operating personnel is lowered greatly.
是否PCT专利:
申请日期: 2011-07-05
公开日期: 2012-01-18
授权日期: 2013-05-15
专利申请号: CN201110186847.X
公布/公告号: CN102319612A
语种: 中文
产权排序: 1
内容类型: 专利
URI标识: http://ir.sia.cn/handle/173321/13395
Appears in Collections:信息服务与智能控制技术研究室_专利

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Recommended Citation:
苑明哲,王卓,宁艳艳,等. 一种水泥生料立磨压差的智能控制方法. CN102319612A. 2012.
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文件名: CN201110186847.X.pdf
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文件名: CN201110186847.X授权.pdf
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