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1、粒子滤波算法测定混合染液染料浓度第62卷第8期2011年8月化工CIESCJournalVol_62No.8August2011粒子滤波算法测定混合染液染料浓度汤仪平,金福江,张志彬,王学元.(华侨大学机电及自动化学院,福建厦门361021;华侨大学信息科学与工程学院,福建厦门361021;.福建凤竹纺织科技股份有限公司,福建晋江362200)摘要:针对如何准确测定混合染液染料浓度,尤其当混合染液浓度太大时由于染料自身发生如水解等化学变化以及染料之间的相互作用,其吸光度体系呈非线性的情况,提出了通过建立非线性吸光度模型,并
2、利用粒子滤波算法同时测定混合染液中各染料浓度的解决方法.以3种活性染料的混合染液为例,对该方法的可行性进行验证,并与扩展卡尔曼滤波算法进行滤波效果对比.实例证明,非线性吸光度模型是准确的,基于粒子滤波算法的测定方法是有效可行的.关键词:混合染液浓度测定;非线性吸光度模型;非线性滤波;粒子滤波DOI:10.3969/j.issn.0438—1157.2011.08.031中图分类号:O657.3文献标志码:A文章编号:0438—1157(2011)08—2265—05Determinationofindividualdyec
3、oncentrationsinmixedreactivedyeliquorsbyparticlefilterTANGYiping.JINFujiang~.ZHANGZhibin.WANGXueyuan'(CollegeofMechanicalEngineeringandAutomation,HuaqiaoUniversity,Xiamen361021,Fujian,China;.CollegeofInformationScienceandEngineering,HuaqiaoUniversity,Xiamen361021,
4、Fujian,China;FujJanFynexTextileScienceTechnologyCo.,Ltd.,Jinjiang362200,Fujian,China)Abstract:Forthedeterminationofindividualdyeconcentrationsinthemixture.especiallyinthecasethattheconcentrationofthemixtureiStoohighandtheabsorbancesystemiStobenonlinearbecauseofche
5、micalchangessuchashydrolysisandtheinteractionamongthedyes,anoveldeterminationmethodbasedonparticlefilterisproposedandanonlinearabsorbancemodelisdeveloped.Thefeasibilityandvalidityofthismethodcanbeverifiedbyrealexamples.Thenumericalresultsforthedeterminationofindiv
6、idualdyeconcentrationsinthemixedreactivedyeliquorsbyparticlefilterarecomparedtotheresultsofthedeterminationmethodbasedonextendedKalmanfilter,showingthattheparticlefiltercanproducebetterfilteringeffectthanextendedKalmanfilterandthemeansquarederror(MSE)betweenitsdet
7、erminatedresultsandactualvaluesiSlessthan0.015.Thisdemonstratesthatthenonlinearabsorbancemodeldevelopedinthispaperisaccurateandthedeterminationmethodbasedonparticlefilteriseffectiveandfeasible.Keywords:determinationofmixeddyeconcentration;nonlinearabsorbancemodel;
8、nonlinearfilteringmethod;particlefilter2011一O4—27收到初稿,2011—05—07收到修改稿.联系人:金福江.第一作者:汤仪平(1983一),男,博士研究生基金项目:福建省科技计划重点项目(2009H0033).Receiveddate:2011—04—27