A New Approach to Designing Control of Dissolved Oxygen and Aeration System in Sequencing Batch Reactor by Applied Backstepping Control Algorithm

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-12-01 DOI:10.2478/ama-2023-0070

Michał Kolankowski, Michał Banach, R. Piotrowski, Tomasz Ujazdowski

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Abstract

Abstract The wastewater treatment plant (WWTP) is a complex system due to its non-linearity, time-variance and multiple time scales in its dynamics among others. The most important control parameter in a WWTP is the dissolved oxygen (DO) concentration. The tracking problem of the DO concentration is one of the most fundamental issues in biological wastewater treatment. Proper control of DO concentration is necessary to achieve adequate biological conditions for microorganisms in the WWTP. Aeration is an important process to achieve those conditions, but it is expensive. It was performed using an aeration system, which includes blowers, pipelines and diffusers. This paper presents a new approach to designing a non-linear control system for controlling DO concentration using an adaptive backstepping algorithm. A model of biological processes and aeration system were applied in designing the control system. Simulation tests of the control system were performed and very good results on control were obtained. The proposed solution has proved to be effective and computationally efficient.

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应用反步进控制算法设计控制序批式反应器中溶解氧和曝气系统的新方法

摘要污水处理厂（WWTP）是一个复杂的系统，因为其动态具有非线性、时变性和多时间尺度等特点。污水处理厂最重要的控制参数是溶解氧（DO）浓度。溶解氧浓度的跟踪问题是生物废水处理中最基本的问题之一。要使污水处理厂中的微生物获得充足的生物条件，就必须对溶解氧浓度进行适当控制。曝气是实现这些条件的一个重要过程，但成本高昂。曝气系统包括鼓风机、管道和扩散器。本文提出了一种新的方法，利用自适应反步进算法设计非线性控制系统来控制溶解氧浓度。在设计控制系统时应用了生物过程和曝气系统模型。对控制系统进行了仿真测试，取得了非常好的控制效果。事实证明，所提出的解决方案不仅有效，而且计算效率高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.