A HYBRID MODELING STRATEGY FOR CONTROL SIMULATOR OF URBAN DRAINAGE SYSTEMS BASED ON DATA-DRIVEN AND MECHANISM-DRIVEN METHOD

WANG Yiming; MA Zhenhua; YANG Mengqi; DONG Xin; ZENG Siyu

doi:10.13205/j.hjgc.202206026

Volume 40 Issue 6

Sep. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(6): 204-211,225

Wang Qiong, Wang Ping, Fu Hongyuan, He Zhongming. ADSORPTION OF HEXAVALENT CHROMIUM IN WASTEWATER BY MODIFIED FLY ASH DOPING PYRITE CINDERFLY ASH DOPING PYRITE CINDERWASTEWATER/WASTE TREATMENT[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(10): 1-4. doi: 10.13205/j.hjgc.201510001

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WANG Yiming, MA Zhenhua, YANG Mengqi, DONG Xin, ZENG Siyu. A HYBRID MODELING STRATEGY FOR CONTROL SIMULATOR OF URBAN DRAINAGE SYSTEMS BASED ON DATA-DRIVEN AND MECHANISM-DRIVEN METHOD[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(6): 204-211,225. doi: 10.13205/j.hjgc.202206026

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A HYBRID MODELING STRATEGY FOR CONTROL SIMULATOR OF URBAN DRAINAGE SYSTEMS BASED ON DATA-DRIVEN AND MECHANISM-DRIVEN METHOD

doi: 10.13205/j.hjgc.202206026

1. School of Environment, Tsinghua University, Beijing 100084, China;
2. Kunming Dianchi Investment Co., Ltd, Kunming 650228, China;
3. State Key Joint Laboratory of Environment Simulation and Pollution Control, Tsinghua University, Beijing 100084, China

Received Date: 2021-12-14
Available Online: 2022-09-01
Publish Date: 2022-09-01

Abstract

Abstract

A hybrid control modelling method was proposed for optimal control of urban drainage systems,which adopted both data-driven and mechanism-driven simplification strategies.The method divided urban drainage systems into different regions,according to connected degree to the control target.These regions were modeled by LSTM model and Saint Venant equation separately.The method was verified within the service area of a wastewater treatment plant in City A in China.The proposed method established a surrogate control model based on a detailed hydraulic model.Compared with tank model,simulation accuracy in two CSO outfalls was improved by 3.85% and 22.86%,and improved by 5.66% and 3.57% compared to the LSTM model (measured in an average root mean value).The simulation time could be reduced by 98.7% in comparison to the detailed hydraulic model.Due to the advantage in accuracy and efficiency,the modelling strategy can provide references for the implementation of real-time control in urban drainage systems.
- combined sewer overflows,
- urban drainage systems,
- model predictive control,
- control model,
- model simplification

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References

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