Nitrogen removal in wastewater treatment processes based on linear active disturbance rejection control and its dynamic simulation

WEI Wei; WANG Xiaoyi; WANG Fan; LIU Zaiwen

doi:10.11949/j.issn.0438-1157.20151947

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Nitrogen removal in wastewater treatment processes based on linear active disturbance rejection control and its dynamic simulation

更新时间：2025-12-10

- Nitrogen removal in wastewater treatment processes based on linear active disturbance rejection control and its dynamic simulation
- CIESC Journal Issue 3, Pages: 1032-1039(2016)
- 作者机构：
  
  北京工商大学计算机与信息工程学院,北京,100048
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20151947
  CLC： P273
- Online First：12 January 2016，
  
  Published：12 January 2016
- 稿件说明：
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WEI Wei, WANG Xiaoyi, WANG Fan, et al. Nitrogen removal in wastewater treatment processes based on linear active disturbance rejection control and its dynamic simulation[J]. CIESC Journal, 2016, (3): 1032-1039.
DOI：

WEI Wei, WANG Xiaoyi, WANG Fan, et al. Nitrogen removal in wastewater treatment processes based on linear active disturbance rejection control and its dynamic simulation[J]. CIESC Journal, 2016, (3): 1032-1039. DOI： 10.11949/j.issn.0438-1157.20151947.

摘要

根据A/O工艺的脱氮原理

基于城市污水处理的1号基准动力学模型

分析影响脱氮过程的两个重要因素:硝态氮和溶解氧

利用线性自抗扰实现城市污水处理过程的脱氮控制。基于硝态氮和溶解氧分别设计线性自抗扰控制

既避免对复杂数学模型的依赖

又克服影响污水出水水质的波动因素

可获得较好的污水处理效果。动态仿真结果表明

线性自抗扰具有更好的控制性能。基于线性自抗扰的脱氮控制有利于提高污水处理的脱氮效率

改善出水水质。

Abstract

Based on A/O nitrogen removal process and the kinetic model

Benchmark Simulation Model No.1

two significant factors

nitrate nitrogen and dissolved oxygen

affecting nitrogen removal in wastewater treatment process are considered. Linear active disturbance rejection control (LADRC) is adopted to realize the removal of nitrogen. The control laws designed for nitrate nitrogen and dissolved oxygen do not rely on faithful mathematical models

which make the effluent quality of wastewater be robust enough to uncertainties and fluctuant factors

and nice performance is obtained. Dynamic simulation results show that LADRC has better performance. It can improve the efficiency of nitrogen removal and the effluent quality of wastewater.

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