基于PCC的溶解氧量控制系统的研究与设计  

The Research And Design on the Dissolve Oxygen Control Strategy Based on the Fuzzy PID

作　　者：刘春艳[1] 

机构地区：[1]青海大学水利电力学院

出　　处：《可编程控制器与工厂自动化（PLC FA）》2011年第9期45-48,93,共5页Programmable controller & Factory Automation(PLC & FA)

摘　　要：针对城市污水处理这种复杂的生化反应过程,尤其是曝气控制过程中溶解氧量(DO)参数的不确定性,系统采用模糊PID控制器。为使控制策略和规则合理实施,文中根据国内外自动控制领域与监控系统的发展与要求,设计了由计算机、PLC、现场仪表组成的多级开放的、模块化的、实时多任务的集散型(DCS)数据采集和控制系统,很好地解决DO参数值的波动。提高出水水质及污水处理的运行可靠性,降低能耗和劳动强度,达到提高经济效益的目的。In municipal wastewater treatment this kind of complex biochemical reaction process,especially the aeration control process of oxygen dissolved in（DO） parameter uncertainty,the system adopts the fuzzy PID controller.To make the control strategies and implementation,the reasonable rules according to the domestic and foreign automatic control field and monitoring system of development and requirements,designed by computer,PLC,composed of field instruments multistage open,modular,real-time multitasking of distribution type（DCS） data acquisition and control system,well solve the parameter value of volatility.DO Improve water and sewage treatment,the operation reliability of the reducing energy consumption and the intensity of labor,to improve the economic efficiency.

关 键 词：溶解氧 氧化沟工艺 PCC 自动控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]