DO Concentration as a Fuzzy Control Parameter for Organic Substrate Removal in SBR Processes

Peng, Yongzhen; Zeng, Wei; Wang, Shuying

doi:10.1089/1092875041960684

Cited by 1 publication

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“…Finally, the output result is defuzzification, in which the result is converted to a numerical value. On-line fuzzy control strategies can be divided into the following types according to indirect parameters: on-line DO fuzzy control strategy [101,102] and on-line ORP and pH fuzzy control strategies [103,104]. Recent study compared the performance of fuzzy control of three operational modes: short-cut nitrification process control mode, two-step alternate aerobic/anaerobic SBR FTC mode, and twostep alternate aerobic/anaerobic SBR real-time control mode in the treatment of soy bean wastewater [103].…”

Section: Fuzzy Controlmentioning

confidence: 99%

Progress in the Development of Control Strategies for the SBR Process

Yang

Peng

et al. 2010

CLEAN Soil Air Water

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Review Progress in the Development of Control Strategies for the SBR ProcessThe sequencing batch reactor (SBR) process has shown great success in the treatment of industrial wastewater from intermittent discharge factories and for the treatment of domestic wastewater from medium or small towns. As automation technology has developed, many studies have been conducted to determine the optimal conditions for the SBR process. This review outlines the progress and application of control strategies that have been developed for the SBR process and provides a summary and comparison of the advantages and disadvantages of various control strategies, especially fixed-time control strategies and various real-time control strategies. Moreover, an analysis and discussion of novel optimal control methods for biologic nutrient removal are provided. Although previous studies in this field have greatly enriched our understanding of SBR systems, it is clear that many unsolved problems remain. Therefore, a summary of unanswered questions regarding control strategies for the SBR process is provided and future research directions are suggested.

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