基于遗传算法的现代群控电梯交通客流控制

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1、南京工业大学硕士学位论文基于遗传算法的现代群控电梯交通客流控制姓名：唐桂忠申请学位级别：硕士专业：控制理论与控制工程指导教师：张广明20050101AbstractWiththedevelopmentofmodemcity,moreandmoreskyscraperisbuiltinthecitytoday．Itisindispensabletotransportpassengerswithelevatorgroupcomposedofseverallifts．Accordingly，thecontrollingalgorithmofelevatorgrou

2、phasalreadybecomethefocusofresearchathomeandabroad．Foracomplicatedelevatorgroupcontrolsystem(EGCS)，becauseofmanykindsofdemands，inthispapermanyintegratedintelligentallocationelevatoralgorithmsareadoptedtoanalyzetrafficflowandproceedtopattem—recognitionoptimally．Consequently,avariety

3、ofalgorithmsofallocatingelevatorareadoptedaccordingtodifferentpatterns．Tomanydisadvantagesofcurrentmethods，thispaperpresentsanalgorithmofallocatingelevatorbasedonGA．Theapproachincreasesrunningefficiencyofelevatorgroup，andreducesenergy。consarning．Simulationexperimentvalidatestheperf

4、ormanceofthemethod．Firstly,wereviewedthedevelopmentandcurrentstatusofEGCSindomesticandinternational，andintroducedadvantagesandshortcomingsofavarietyofEGCS．Wealsoestablishedevaluationfunctionofmulti—objectforEGCS，whichisbasedonevaluatingfourperformanceindexesandanalyzinguncertainfac

5、torsinthecourseofallocatingelevator,Secondly，weproposedtwowaysoftrafficflowpattern-recognition．@Normalfuzzyneuralnetworkisappliedtorecognizethetrafficpatternandgeneticalgorithmwhichisusedtoimproveparametersofmembershipfunctions．②Newmethodbasedonimmuneevolutionaryk-meansclusteringal

6、gorithmispresentedtoidentifytrafficpattern．Experimentalresultsillustratethatthetwomethodsarecapableofrecognizingtrafficpatterns．However，thesecondmethodissuperiortothefirstone·Thirdly,acontrolalgoritbanofelevatorgroupsystemwithinter-floortrafficpattembasedonhybridizedgeneticalgorith

7、misproposedinthispaper．Inthisalgorithm，wesearchalloptimalallocatingmethodbasedonthegoalfunctionoftheminimalaveragewaitingtimeofthepassengers．Weestablishedtheadaptivefunctionaccordingtotherunningstateofelevatorsandthehall—callsignalamonglayers．Attheearlystageoftheevolution，weusestan

8、dardgeneticalgorithmtosear