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1、基于能耗最優(yōu)化的動(dòng)力定位推力分配邏輯算法研究第15卷第3期2011年3月船舶力學(xué)JournalofShipMechanicsV01.15NO.3Mar.2011ArticleID:l007—7294(20II)03—0217—10OptimalThrustAllocationBasedonFuel?_.efficiencyforDynamicPositioningSystemYANGShi-zhi一,WANGLei29ZHANGShen(1ChinaClassificationSocietyNanjingBra
2、nch,Nanjing210011,China;2TheStateKeyLaboratoryofOceanEngineering,Shangha訂iaoTongUniversity，Shanghai200240,China)Abstract:ThetwoseveralmethodsofthrustdistributioninapropulsionsystemofDynamicPosition-ingSystem(DPS)arepresentedinthispaper.Withdetailsimulationan
3、danalysis^thispapercon——centratesonfindingoutanoptimalthrustallocation(11A),whichcouldgaindesiredforcesandmo—mentsactingonthevehicleSOastokeepposition.Specialattentionispaidtoso
4、vethenon一linearconstrainedthrustallocationproblems.Andtheproposedmethodsaretoset
5、upaconfigurationmatrixwhichexactlydescribethelayoutofthrustersoftheDPpropulsionsystem.AnillustrativeexamplebasedonGeneticAlgorithm(GA)andSequentialQuadraticProgramming(SQP)isprovidedtodemon.stratetheeffectivenessandcorrectnessoftheproposedmethods.Fivealgorit
6、hmssuitedfordifferentcontrolconditionsarepresented.Keywords:ThrustAllocation(TA);DynamicPositioningSystem(DPS);GeneticAlgorithm(GA);SequentialQuadraticProgramming(SQP)CLCnumber:U664.3Documentcode:A1IntroductionAsthelastpotentialsupplierofnaturalresourcesande
7、nergiesaswellasprovisionsontheearth.theoceanisrequestedmoreandmoretorevealitssubstancestohumanbeings.Dynam一icPositioningSystemisthemostpromisingmeansofpositionkeepingfordeepseaexplo.-ration.whichisnotconfinedbydepthofwaterandhasmuchgreatadvantagescomparedwit
8、hmooringsystem.BesidesDPcouldserveasanauxiliaryofmooringsysteminshallowwatercondition,whichcouldenhancethecapabilityofmooringsystem.BasicsofDPareshowninFig.l.Thisworkismotivatedbythefuel-efficiencyoptimalcontrolallocationproblemintheDPpropulsionsystem,whichi
9、sessentialforDP.ThemaincontributionofthisworkistoanalyzetheobjectivefunctionandboundaryconditionbasedonGeneticAlgorithm(GA)andSequentialQuadraticProgramming(SQP).Inthispaper,wewilltrytosolvetheo
