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ID:31982290
大小:5.23 MB
页数:80页
时间:2019-01-30
《基于无模型自适应控制的列车节能优化运行方法-研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、I量立交煎太堂熊±堂焦途塞主塞擅墓jE立交通太堂亟±堂僮途塞——————————————————剑墼必ABSTRACTABSTRACT:IIltherailwaytransitsystems,energyconsumptionmakesupalargeDonionoftheoperationandmaintenancecostoftransit.Energyconservatlonmaybeoneofthee虢ctivewaystoreducetransitoperatingcostandimproVetheeftlclencyottransito
2、peration.Inthisp印er,theproblemonenergyefficientoperationt'oratraln1saddressedbyincorporatingoptimalcontroltheoryandpredictivecontroltheorywlmmodel.丘eeadaptivecontrcIltheory.Andseveralenergyefficientoperationstrategiesandcon仃01approaches,whichCansatisfypracticalconstraintsdurin
3、gthe仃aln’sn脚ng,aredeveloped..FirstIv'aIlofflineenergyefficientoperationstrategyfortrainsbasedonthetrad试onaloptimalControltheoryisproposed.Ifarailwaylineanda10comotⅣewlmcarriagesare西ven,theoptimalsolutionforthetrain’soperationOV盯theentl∞railwaylinewillbeobtained.Funllemore,when
4、thespeedprofilecalculatedofflineistreatedasat删骟tfortracking,energyefficientrunningcontrolforthetrmn1s∞qulredbyapplyingmodel·-freeadaptivecontrol·SecondlMthemostimportantpartofthepaperispresentinganonlineenergyefficientcon昀lapproachfortrains,whichisbasedonmodel-freeadaptiVecont
5、rolaIldDredictiveC0ntr01,andproposingthreetypesofonlinecontrolalgorithrnstodealwiththeconstraintsduringtrain’srunning.Intheonlineenergyefficientcontrolapproach,theenergyconservationproblemofatrainisdescribedbyanovelcostfunctlonreIatedtoen珂gyconsumptionwithinapredictionhorizon.
6、BasedontheideaofpredlCtlVecontr01.currentclosed.100pcontrolactionisobtainedbysolvingonllne,ateachs锄plingposition,afinite-horizonoptimalcontrolproblemaboutthenewcost劬ctlon,andthenupdatingthepreditionmodelofthetrainbyapplyingdynamic11nearizatlontechnique.Energyeffientcontrolfort
7、hetrainisimplementedbyapplyingtheobtalnedcon仃0lactions砸es.Theadvantagesforthiscontrolapproachare,mathematlcaImodeloftminsarenotinvolvedduringcontrollerdesign,localoptimizmionproblem1ssolvedonlineinarollinghorizonandstrongadaptablityisguranteedcompnngwlthoffilnecontrolapproache
8、s.Furthermore,tomeetthereqirementsaboutpunctuNity,statlonarit
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