变参数活性污泥系统的最优鲁棒控制法

变参数活性污泥系统的最优鲁棒控制法变参数活性污泥系统的最优鲁棒控制法冯裕钊,龙腾锐,郭劲松,庞煜(重庆大学城市建设与环境工程学院,重庆400045)摘要:利用改进的Riccati方程设计不确定参数的污水处理控制系统,提出了一种设计新方法,并在某小型污水处理厂进行了数字仿真分析,结果表明用该方法设计的LOC(LinearOptimalController)具有良好的动态品质、抗冲击负荷强,提高了控制系统对参数变化的鲁棒性。关键词:活性污泥系统;最优控制;参数不确定;鲁棒性中图分类号:X703.1文献标识码:A文章编号:1000-4602(2003)03-0014-03OptimalRobustnessControlMethodofActivatedSludgeSystemBasedonUncertainParametersFENGYu2zhao,LONGTeng2rui,GUOJin2song,PANGYu(SchoolofUrbanConstructionandEnvironmentalEngineering,ChongqingUniversity,Chongqing400045,China)Abstract:ThemodifiedRiccatiEquationwasusedtodesignwastewatertreatmentsystembasedonun2certainparameters,andthenanewdesignmethod-optimalrobustnesscontrolmethodwasproposed.Themethodwastestedwiththedigitalsimulationanalysisinasmall-scalewastewatertreatmentplant.TheresultsshowedthatLOC(LinearOptimalController)designedbythemethodhasgooddynamiccharacteristicsandstrongadaptabilitytoshockload,andthusimprovesinsensitivityofthecontrolsystemtothechangeofparame2ters.Keywords:activatedsludgesystem;optimal