专利详细信息

铝酸钠溶液组分浓度软测量方法

文献类型：专利

专利类型：发明专利

是否失效：否

是否授权：否

申请号：CN200810011514.1

申请日：20080522

发明人：王魏赵立杰岳恒宋志泉柴天佑

申请人：沈阳东大自动化有限公司

申请人地址：110179 辽宁省沈阳市浑南产业区世纪路19号

公开日：20081008

公开号：CN101281182A

代理人：梁焱

代理机构：21109 沈阳东大专利代理有限公司

语　　种：中文

摘　　要：一种铝酸钠溶液组分浓度软测量方法，包括过程数据采集、过程数据预处理、建立软测量模型、求解模型系数和计算组分浓度等步骤，其中建立软测量模型包括：(1)苛性碱和碳酸碱浓度的软测量模型，采用的是改进的模糊c均值聚类算法(改进FCM)与TSK(Takagi－Sugeno－Kang)模糊模型相结合的方法；(2)氧化铝浓度的软测量模型，采用的是机理公式法。本发明方法易于实施、可靠性与准确度高，为氧化铝生产过程的自动控制和优化运行打下了基础。

主权项：1、一种铝酸钠溶液组分浓度软测量方法，其特征在于该方法包括以下步骤：步骤一、过程数据采集，采集铝酸钠溶液温度及电导；步骤二、过程数据预处理，对步骤一采集的数据进行中位值平均滤波处理；步骤三、建立软测量模型，包括：(1)苛性碱和碳酸碱浓度的软测量模型； $<math> <mrow> <mi>y</mi> <mo>=</mo> <mfrac> <mrow> <munderover> <mi>Σ</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>L</mi> </munderover> <msub> <mi>τ</mi> <mi>i</mi> </msub> <msub> <mi>y</mi> <mi>i</mi> </msub> </mrow> <mrow> <munderover> <mi>Σ</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>L</mi> </munderover> <msub> <mi>τ</mi> <mi>i</mi> </msub> </mrow> </mfrac> <mo>=</mo> <mfrac> <mrow> <munderover> <mi>Σ</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>L</mi> </munderover> <msub> <mi>τ</mi> <mi>i</mi> </msub> <mrow> <mo>(</mo> <msub> <mi>b</mi> <mrow> <mi>i</mi> <mn>0</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>b</mi> <mrow> <mi>i</mi> <mn>1</mn> </mrow> </msub> <msub> <mi>x</mi> <mn>1</mn> </msub> <mo>+</mo> <mo>·</mo> <mo>·</mo> <mo>·</mo> <msub> <mrow> <mo>+</mo> </p><p class='subject'><strong>关键词：</strong>测量模型预处理 <b class='type_ico_id'></b>氧化铝生产过程 <b class='type_ico_id'></b>过程数据采集 <b class='type_ico_id'></b>铝酸钠溶液 <b class='type_ico_id'></b>氧化铝浓度准确度测量方法 <b class='type_ico_id'></b>过程数据计算组分 <b class='type_ico_id'></b>均值聚类模糊模型求解模型组分浓度公式法 <b class='type_ico_id'></b>苛性碱碳酸碱相结合算法模糊优化 </p><p class='class'><strong>IPC专利分类号：</strong>G01N33/00(20060101);G06F19/00(20060101)</p>
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