基于多目標遺傳算法的渦旋型線形狀優(yōu)化設計研究.pdf

1、重慶大學碩士學位論文基于多目標遺傳算法的渦旋型線形狀優(yōu)化設計研究姓名：張永棟申請學位級別：碩士專業(yè)：機械設計及理論指導教師：陳進20040410重慶火學碩士學位論文英文摘要ABSTRACTAsthemainworkandenergyconsumingdeviceofsmallandmediumsizedairconditioningunits，scrollcompressorshavemuchinapproachableadvantag

2、esoveranyotherkindsofcompressors，suchaslowlevelofvibrationandnoise，lightweighthi曲efficiencyhi曲reliabilitylowenergyconsumingItseemsveryimportanttopeopleonaconditionthattheenergyislackingdaybydayandpeoplerequirethehigherli

3、fequalitymoreandmoreTheefficiencyisconstrictedbymanyfactors，themostessentialoneofwhichistheshapeofthescrollprofileForthattheprofileofthescrollaffectstheleakageandtheefficiencyManyresearchersusuallysimplifyitasasingleopti

4、mizationproblemusingtraditionalmethodsforlackoftheconciseandeffectivemodeAfterdeepresearchingontheformofscrollcompressors，astudyonmultiobjectiveoptimizationusingnondominatedsortinggeneticalgorithmisdevelopedTheresearchwo

5、rkisgivenasfollowsAimingatthedifficultyoftraditionalformandthelackoftheconciseandeffectivemode，thegeometrycharacteristic，thetheoryofconjugacyandtheformofscrollsareanalyzedAgeneraldescribingmodeofscrollsbased01“1Whewelleq

6、uationispresented0nthedesignofprofilesThepapercomparestraditionalalgorithmswitllgeneticalgorithmsonmultiobjectiveoptimizationdesignThetheoryofmultioptimizationissystematizedTheadvantagesofmulfiobjectiveoptimizationalgori

7、thmaredevelopedThen，amultiobjectivegeneticalgorithmnondominatedsortinggeneticalgorithm，whichCanobtaintheParetooptimalsetsquicklyisdiscussedAmultiobjectiveprofileoptimiz砒ionofscrollsisfirstpresented，andacalculatingmodelof

8、multiobjectiveprofileoptimizationisestablished，whichfitsthemultiobjecfiveoptimizationofthescrollintegratedformAtterthat，nondominatedsortinggeneticalgorithmisappliedinthemultiobjectivescrollprofileoptimizationsuccessfully

9、Atthesametime，theoptimaldesignprojectwimmul邱erformanceisobtainedThemultiobjectiveoptimizationprocedureofthescrollintegratedformbasedonWhewellequationisintegratedbymeansofVisualCTheresultlshowsthattheoptimalscrollwithmany