[1] Hao XD, Wang QL, Zhu JY, Van Loosdrecht MCM (2010) Microbiological endogenous processes in biological wastewater treatment systems. Crit Rev Environ Sci Technol 40(3):239–265. https://doi.org/10.1080/10643380802278901.
[2] Aguiar RA, Franco IC, Leonardi F, Lima F (2018) Fractional PID controller applied to a chemical plant with level and pH control. Chem Prod Process Model 13(4):1–12. https://doi.org/10.1515/cppm-2018-0004.
[3] Åström KJ, Wittenmark B (2008) Adaptive Control, 2nd ed. Dover Publications, Mineola.
[4] Stephanopoulos G (2025) Chemical and Biological Process Dynamics and Control. Tetractýs Editions, Winchester, MA.
[5] Ju HC, Ri KC, Jon JS, Kim CJ (2023) pH Control of Yeast Fed-Batch Fermentation Process by Improved Input-Output Linearization Method. Theor Found Chem Eng 57(6):1403–1413. https://doi.org/10.1134/s0040579523060088.
[6] Wang Y, Zhang N, Chen C, Jiang Y, Liu T (2023) Nonlinear Adaptive Generalized Predictive Control for PH Model of Nutrient Solution in Plant Factory Based on ANFIS. Processes 11(8):2317. https://doi.org/10.3390/pr11082317.
[7] Hozefa J, Shadab S, Revati G, Wagh SR, Singh NM (2021) Adaptive control of nonlinear systems: Parametric and non-parametric approach. In: 2021 29th Mediterranean Conference on Control and Automation (MED), pp 1007–1012. https://doi.org/10.1109/MED51440.2021.9480230.
[8] Chen J, Ou B (2023) pH nonlinear process control method based on Lyapunov stability theory. In: 2023 IEEE 12th Data Driven Control and Learning Systems Conference (DDCLS), pp 863–868. https://doi.org/10.1109/DDCLS58216.2023.10166680.
[9] Yoon SS, Yoon TW, Yang DR, Kang TS (2002) Indirect adaptive nonlinear control of a pH process. Comput Chem Eng 26(9):1223–1230. https://doi.org/10.1016/S0098-1354(02)00088-1.
[10] Salehi S, Shahrokhi M, Nejati A (2009) Adaptive nonlinear control of pH neutralization processes using fuzzy approximators. Control Eng Pract 17(11):1329–1337. https://doi.org/10.1016/j.conengprac.2009.06.007.
[11] Pishvaie MR, Shahrokhi M (2000) pH Control Using the Nonlinear Multiple Models, Switching, and Tuning Approach. Ind Eng Chem Res 39(5):1311–1319. https://doi.org/10.1021/ie990412k.
[12] Pishvaie MR, Shahrokhi M (2006) Control of pH processes using fuzzy modeling of titration curve. Fuzzy Sets Syst 157:2983–3006. https://doi.org/10.1016/j.fss.2006.05.010.
[13] Wu H, Yan F, Wang G, Lv C (2022) A predictive control based on decentralized fuzzy inference for a pH neutralization process. J Process Control 110:76–83. https://doi.org/10.1016/j.jprocont.2021.12.001.
[14] Hermansson AW, Syafiie S (2015) Model predictive control of pH neutralization processes: A review. Control Eng Pract 45:98–109. https://doi.org/10.1016/j.conengprac.2015.09.005.
[15] Saadat A, Alvanagh AA, Rezaei H (2013) pH control in biological process using MMPC based on neuro-fuzzy model by LOLIMOT algorithm. In: 2013 9th Asian Control Conference (ASCC), pp 1–6. https://doi.org/10.1109/ASCC.2013.6606384.
[16] Pataro IML, Gil JD, Guzmán JL, Berenguel M, Lemos JM (2023) A learning-based model predictive strategy for pH control in raceway photobioreactors with freshwater and wastewater cultivation media. Control Eng Pract 138:105619. https://doi.org/10.1016/j.conengprac.2023.105619.
[17] Glida HE, Abdou L, Chelihi A, Sentouh C, Perozzi G (2022) Optimal model-free fuzzy logic control for autonomous unmanned aerial vehicle. Proc Inst Mech Eng Part G J Aerosp Eng 236(5):952–967. https://doi.org/10.1177/09544100211025379.
[18] Muller A, Marsili-Libelli S, Aivasidis A, Lloyd T, Kroner S, Wandrey C (1997) Fuzzy control of disturbances in a wastewater treatment process. Water Res 31(12):3157–3167. https://doi.org/10.1016/S0043-1354(97)00215-7.
[19] Karr CL, Sharma SK, Hatcher WJ, Harper TR (1993) Fuzzy control of an exothermic chemical reaction using genetic algorithms. Eng Appl Artif Intell 6(6):575–582. https://doi.org/10.1016/0952-1976(93)90054-2.
[20] Sahu H, Ayyagari R (2016) Interval fuzzy type-II controller for the level control of a three tank system. IFAC-PapersOnLine 49(1):561–566. https://doi.org/10.1016/j.ifacol.2016.03.114.
[21] Maidi A, Diaf M, Corriou JP (2008) Optimal linear PI fuzzy controller design of a heat exchanger. Chem Eng Process Process Intensif 47(5):938–945. https://doi.org/10.1016/j.cep.2007.03.008.
[22] Anitha T, Gopu G, Nagarajapandian M, Devan PAM (2019) Hybrid Fuzzy PID Controller for Pressure Process Control Application. In: 2019 IEEE Student Conference on Research and Development (SCOReD), pp 129–133. https://doi.org/10.1109/SCORED.2019.8896276.
[23] Ruano MV, Ribes J, Ruiz-Martinez A, Seco A, Robles A (2024) An advanced control system for nitrogen removal and energy consumption optimization in full-scale wastewater treatment plants. J Water Process Eng 57:104705. https://doi.org/10.1016/j.jwpe.2023.104705.
[24] Precup RE, Hellendoorn H (2011) A survey on industrial applications of fuzzy control. Comput Ind 62(3):213–226. https://doi.org/10.1016/j.compind.2010.10.001.
[25] Gamiz J, Vilanova R, Martinez-Garcia H, Bolea Y, Grau A (2020) Fuzzy Gain Scheduling and Feed-Forward Control for Drinking Water Treatment Plants (DWTP) Chlorination Process. IEEE Access 8:110018–110032. https://doi.org/10.1109/ACCESS.2020.3002156.
[26] Wase MG, Gebrekirstos RF, Jin GG, So GB (2023) Fuzzy Gain Scheduling of the Fractional-Order PID Controller for a Continuous Stirred-Tank Reactor Process. Processes 11(12):3275. https://doi.org/10.3390/pr11123275.
[27] Puviyarasi B, Murukesh C, Alagiri M (2022) Design and implementation of gain scheduling decentralized PI/PID controller for the fluid catalytic cracking unit. Biomed Signal Process Control 77:103780. https://doi.org/10.1016/j.bspc.2022.103780.
[28] Vlad C, Caraman S, Carp D, Minzu V, Barbu M (2012) Gain Scheduling control of dissolved oxygen concentration in a wastewater treatment process. In: 2012 20th Mediterranean Conference on Control and Automation (MED), pp 860–865. https://doi.org/10.1109/MED.2012.6265746.
[29] Lin JY, Yu CC (1993) Automatic tuning and gain scheduling for pH control. Chem Eng Sci 48(18):3159–3171. https://doi.org/10.1016/0009-2509(93)80202-2.
[30] Babuska R, Oosterhoff J, Oudshoorn A, Bruijn PM (2002) Fuzzy self-tuning PI control of pH in fermentation. Eng Appl Artif Intell 15(1):3–15. https://doi.org/10.1016/S0952-1976(02)00003-9.
[31] Regunath S, Kadirkamanathan V (2001) Design of a pH control system using fuzzy non-uniform grid scheduling and evolutionary programming. Appl Soft Comput 1(1):91–104. https://doi.org/10.1016/S1568-4946(01)00011-4.
[32] Fu C, Ma X, Zhang L (2022) Fuzzy-PID Strategy Based on PSO Optimization for pH Control in Water and Fertilizer Integration. IEEE Access 10:4471–4482. https://doi.org/10.1109/ACCESS.2021.3138910.
[33] Henson MA, Seborg DE (1994) Adaptive nonlinear control of a pH neutralization process. IEEE Trans Control Syst Technol 2(3):169–182. https://doi.org/10.1109/87.317975.
[34] Gadewar SB, Doherty MF, Malone MF (2001) A systematic method for reaction invariants and mole balances for complex chemistries. Comput Chem Eng 25(9–10):1199–1217. https://doi.org/10.1016/S0098-1354(01)00695-0.
[35] Seborg DE, Edgar TF, Mellichamp DA, Doyle III FJ (2017) Process Dynamics and Control, 4th ed. Wiley, Hoboken.
[36] Song B, Xiao Y, Xu L (2020) Design of fuzzy PI controller for brushless DC motor based on PSO–GSA algorithm. Syst Sci Control Eng 8(1):67–77. https://doi.org/10.1080/21642583.2020.1723144.
[37] Sandhya K, Laxmi AJ, Soni MP (2012) Design of PI and Fuzzy Controllers for Dynamic Voltage Restorer (DVR). AASRI Procedia 2:149–155. https://doi.org/10.1016/j.aasri.2012.09.027.
[38] Alizadeh MH, Sahlodin AM (2024) Energy-efficient semi-continuous distillation of a ternary mixture using combined tracking-economic model predictive control. Chem Eng Res Des 209:283–298. https://doi.org/10.1016/j.cherd.2024.07.064.
[39] Åström KJ, Hägglund T (1984) Automatic tuning of simple regulators with specifications on phase and amplitude margins. Automatica 20(5):645–651. https://doi.org/10.1016/0005-1098(84)90014-1.