气体分离装置操作优化的智能化方法

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1、浙江大学硕士学位论文气体分离装置操作优化的智能化方法姓名：汤培峰申请学位级别：硕士专业：化学工程指导教师：麻红昭2003.3.1藕嚣摘要申，建立摸型帮寻找蠢效瓣求觯方法是极其关键靛闯瑟，稳健溪度辩霞纯整爨蛰离蚕秀建摸露袋磐。蠢予系楚葱予复杂化和大型化，化工过稷的影响因素很多，难以建立全谢的、严格为诧，我们褒塞了先溪蕊缀霹终建模，霉麓遗蕊算法求舞静德讫骞法零文髓走综宫锺蘸铯工过程优忧方葱豹辩磷成桊，对纯工遵稷雾型，架酌特点遴行了麓要静谥葫，褥对薅糠捧饶纯过程逶孬了译绸靛谂述。本文弑繁厂气露分离装置为对象，趟其操你进行忧{匙研究。主鼹搀了以

2、下几方面的工作：{。针对菜厂气洚分离装嚣瓣运器涨况，分辨葵存表黪薅蘑，瀚定了气俸分离装置避料媳缀成、装鼗慰料的质量控制露标以及各个操作标量。2．应用ASPENPLUS过糨模掇窳统褐逢该装鬟携工艺流趱摸型，以确定热彝搡豫条转，遴簿芷燮试验竣诗。3．生产装露的操柞伉化核心是装鼹数学模溅的建藏，为此策用了非娥性网络映射韵方浚；藏琏建建立了爨铯终素驽挺靛{搴经踺络骥羹。4，瑟漆藩瓣亭聿经瓣络糖取技术邈绺了慧缕，镑麓建寝戆气莓窭分离装壤戆棒缎溺络溪整，进行榜经烈络援爨提取翡磷窥。5．采用遗传算法瓣以带约束优化的非线性问题进行了求觯，弗从工藏的角艘

3、对优化戆结粱涟嚣囊毪浆簿鼙。、f荧键诵：倔工过襁气体分离键佬模型神经瓣络规蟪戢遗祷黪法篡E褚魉笈模，框趣／纯觚夕黜AbstractEstablishthemodelandlookforthesolutiontosolvethemethodiskeyfactorofchemicalengineeringprocesssystemoptimizationincludingofdesign，decision*nlaking，assignandcontrol。Becauseofthechemicalsystem'scomplicationand

4、largeness，therearemanyinfluencefactorsofchemicalengineeringprocess．Itishardly硒establishcompletelyandstrictmechanismmodel+Anintegrationofneuralnetworkandgeneticalgorithmmethodisproposedforoptimizingtheoperatingconditionsinordertolowerenergyconsumptionofgasfractionationpla

5、nt．Thispapersynthesizesthectlrrentchemicalengineeringprocessoptimizationandcharacterizeschemicalengineeringprocessmanylaveroptimizationsframetoproceedsfirst，andtreatisedetailedoperationoptimizationatthesametime．Theresearchworkofthisthesisconsistofthefollowingmajorpart：1．

6、Accordingtotargetproblem,thecnrrentoperationstatusoftheseparationsectionofaplantWasanalysed．Themajorcontrollableindependentvariables，dependentvariablesandtheobjectfunc畦onofoptimizationproblemWaSformed，2，ThecraftprocessmodelofthedeviceWasconstructedwithASPENPLUSsystem，mak

7、esureboundaryoperationtermandproceedhandorthogonaldesign。3．Regardingthecoreworkinoperationoptimization，themappingoftheinputsandoutputsoftheoreticalmodel谂aartificialneuralnetworkmodelwithnonlinearconstrainwereconsmlcted．4．Thecurrentstatusofruleextractionofneuralnetworkwas

8、s1．immaried．Theneuralnetworkmodeiofdevicewasstudiedinruleextraction．5．ThegeneticalgorithmwasappliedtOso