生物污水处理厂溶解氧曝气系统控制的多区域PI控制策略

R. Piotrowski, Adam Zawadzki
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引用次数: 9

摘要

溶解氧是污水处理厂生物工艺的关键参数。溶解氧跟踪问题是生物过程中最复杂、最基本的问题之一。针对溶解氧跟踪问题,提出了一种新的多区域控制策略。曝气系统包含在总体控制结构中。工作点区域内的控制机制基于PI控制器,采用Takagi-Sugeno-Kang去模糊化方法。根据实际数据记录设计并测试了所提出的控制策略。将该方法应用于波兰北部Nowy Dwor Gdanski生物污水处理厂,并进行了仿真验证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Multiregional PI control strategy for dissolved oxygen and aeration system control at biological wastewater treatment plant
The dissolved oxygen is a key parameter for biological processes at wastewater treatment plant. The dissolved oxygen tracking problem is one of the most complex and fundamental issue of biological processes. The paper proposes a new multiregional control strategy for dissolved oxygen tracking problem. The aeration system is included in overall control structure. The control mechanism within the operating point area is based on PI controllers with the Takagi-Sugeno-Kang method of defuzzification. The proposed control strategy is designed and tested based on the real data records. It is applied to biological wastewater treatment plant at Nowy Dwor Gdanski, Northern Poland and is validated by simulation.
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