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化工学报  2013 

基于参数自整定模糊控制器的沉铁过程pH值稳定控制

DOI: 10.3969/j.issn.0438-1157.2013.12.043, PP. 4557-4562

Keywords: 参数自整定,模糊控制器,沉铁过程,pH值

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Abstract:

针对沉铁过程存在的非线性、强耦合导致溶液pH值难以稳定控制的问题,分析了沉铁过程的工艺及其反应动力学机理。研究了锌焙砂添加量与pH值之间的关系,并根据工艺对pH值的要求,计算沉铁过程所需添加的焙砂量。在此基础上,采用参数自整定模糊控制器对锌焙砂添加量进行补偿调节,从而实现pH值的稳定控制。仿真结果表明:所提出的参数自整定模糊控制器效果良好,为沉铁过程pH值的稳定控制提供了一种切实可行的方法。

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