Dissolved oxygen control strategies for water treatment: a review

D Li, M Zou, L Jiang - Water Science & Technology, 2022 - iwaponline.com
Dissolved oxygen (DO) is one of the most important water quality factors. Maintaining the DO
concentration at a desired level is of great value to both wastewater treatment plants …

[HTML][HTML] Novel hierarchical nonlinear control algorithm to improve dissolved oxygen control in biological WWTP

R Piotrowski, H Sawicki, K Żuk - Journal of Process Control, 2021 - Elsevier
Wastewater treatment is a problem known to humankind for centuries. The quality of treated
sewage determines the condition of reservoirs around the world. Control of such a complex …

[PDF][PDF] Exploring Concepts of HyperFuzzy, HyperNeutrosophic, and HyperPlithogenic Sets

T Fujita - complex systems, 2025 - researchgate.net
This work investigates the evolution of traditional set theory to address complex and
ambiguous real-world phenomena. It introduces hierarchical hyperstructures and …

Fractional-order models identification and control within a supervisory control framework for efficient nutrients removal in biological wastewater treatment plants

I Dey, AG Sheik, SR Ambati - Environmental Science and Pollution …, 2023 - Springer
Wastewater treatment plants (WWTPs) are highly non-linear processes that must be
optimized to meet rigorous environmental water regulations. In this context, efficiency and …

Integrated supervisory and override control strategies for effective biological phosphorus removal and reduced operational costs in wastewater treatment processes

AG Sheik, VSRK Machavolu, MM Seepana, SR Ambati - Chemosphere, 2022 - Elsevier
A novel control strategy is developed for a municipal wastewater treatment plant (WWTP)
consisting of anaerobic-anoxic-aerobic reactors. The idea is to generate more organic …

[PDF][PDF] Expanding horizons of plithogenic superhyperstructures: Applications in decision-making, control, and neuro systems

T Fujita - 2024 - osf.io
This study explores advanced frameworks for modeling uncertainty and complexity,
including fuzzy sets, neutrosophic sets, and plithogenic sets. Plithogenic sets, which …

Data-driven modelling based on artificial neural networks for predicting energy and effluent quality indices and wastewater treatment plant optimization

NB Mihaly, M Simon-Varhelyi, VM Cristea - Optimization and Engineering, 2022 - Springer
The present work aimed the Wastewater Treatment Plant (WWTP) optimization based on the
prediction of the WWTP energy and quality performance indices using Artificial Neural …

Supervisory control configurations design for nitrogen and phosphorus removal in wastewater treatment plants

AG Sheik, MM Seepana… - Water Environment …, 2021 - Wiley Online Library
Abstract Model predictive control (MPC) and Fuzzy controllers are designed in a two‐level
hierarchical supervisory control framework for control of activated sludge‐based wastewater …

[HTML][HTML] Digitalization of Phosphorous Removal Process in Biological Wastewater Treatment Systems: Challenges, and Way Forward

AG Sheik, SBN Krishna, R Patnaik, SR Ambati… - Environmental …, 2024 - Elsevier
Phosphorus in wastewater poses a significant environmental threat, leading to water
pollution and eutrophication. However, it plays a crucial role in the water-energy-resource …

Modeling and Control Strategies for Energy Management in a Wastewater Center: A Review on Aeration

M Jamaludin, YC Tsai, HT Lin, CY Huang, W Choi… - Energies, 2024 - mdpi.com
Effective modeling and management are critical in wastewater treatment facilities since the
aeration process accounts for 65–70% of the overall energy consumption. This study …