Page 147 - 《水资源与水工程学报》2022年第3期
P. 147

!33 " ! 3 #                       & ' ( ) & * + , -                               Vol.33No.3
               2022 $ 6 %               JournalofWaterResources&WaterEngineering                 Jun.,2022

            DOI:10.11705/j.issn.1672-643X.2022.03.18


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                8IBJK:TV697.1   LMNOP:A    LQRK:1672643X(2022)03014306
                      Optimaloperationofmultireservoircomplexjointwatersupply

                                basedonimprovedparticleswarm optimization

                                           PENGFangxu,WANGNi,WEIXia
                (StateKeyLaboratoryofEcohydraulicsinNorthwestAridRegion,Xi’anUniversityofTechnology,Xi’an710048,China)
                Abstract:ThecontradictionbetweentheeverincreasingwaterdemandofDanfengCountyandthelimited
                watersupplycapacityofthereservoirsisbecomingmoreandmoreprominent.Tofullytaptheproject’s
                watersupplypotentialandsolvetheproblemsofexcessivewaterabandonmentandlowwatersupplyguar
                anteerateintheoperationoftheexistingprojects ,anoptimaloperationmodelisestablishedwiththeob
                jectiveofminimumabandonedwater,andtheimprovedparticleswarmoptimizationisusedtofindthejoint
                optimalwatersupplysolutionforQingfengReservoirandLongtanReservoir.Twoutilizablecapacitiesof
                                      6
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                2.0×10 m and2.2×10 m ofQingfengReservoiraresimulatedwithamonthasthecalculationperiod,
                undertheconditionofgivingprioritytotheecologicalflow,evapotranspirationandleakagelossoftheriv
                er.Theresultsshowthattheobjectivefunctiontendstostabilizewhenthenumberofiterationsreaches36
                times.Comparedwiththeconventionalscheduling ,theaverageannualwaterabandonmentsofthetwouti
                lizablecapacitiesaresignificantlyreduced ,andthewatersupplyguaranteerateisimprovedtosomeex
                tent.Itshowsthattheimprovedparticleswarmoptimizationbasedonlineardecreasinginertiaweightissu
                periortotheothercalculationmethodsanditisapplicabletothejointoptimizationofwatersupplyofQing
                fengandLongtanreservoirs.
                Keywords:improvedparticleswarm optimization;optimaloperation;ecologicalflow;QingfengReser
                voir ;LongtanReservoir






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