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Study on Control System of APMP Wastewater Treatment Process
  
DOI：10.11980/j.issn.0254-508X.2016.11.008
Key Words:APMP wastewater treatment  expert control  pH value  dissolved oxygen concentration
Author NameAffiliation
周　红1 1.艾默生网络能源(西安)有限公司,陕西西安,710075 
罗　斌2 2.博世力士乐(西安)电子传动与控制有限公司,陕西西安,710026 
王孟效3 3.陕西科技大学电气与信息工程学院,陕西西安,710021 
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Abstract:A novel control system was designed for APMP wastewater treatment process using combined anaerobic and aerobic methods. Aiming at severe time-delay and non-linearity of the process, a feed-forward based expert system plus feedback control was applied to control the pH value in the conditioning tank of anaerobic process. A cascade control which was composed of aeration flow balance control and dissolved oxygen concentration control was employed to aerobic reactor, expert control and PID control were switched according to the derivation of dissolved oxygen concentration in different stage. The detailed implement scheme of the system was also presented. The application results showed that this system was effective．
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