Page 49 - 《水资源与水工程学报》2023年第4期
P. 49

!34 " ! 4 #                       & ' ( ) & * + , -                               Vol.34No.4
               2023 $ 8%                JournalofWaterResources&WaterEngineering                 Aug.,2023

            DOI:10.11705/j.issn.1672-643X.2023.04.06


                           'az{€~:;<rx½=2d


                                  GRU/LSTM6¾#/>?>æ


                                                  1
                                                           2
                                                                     3
                                           VZ[ , N \ , ]^_ , V `             4
              (1. ®ðœ@A@CDÜ, ®ð 3˜ 650106;2. V—Ó4@CD%H?øÿ[–5, ®ð V— 677000;3. ®ðœAÏÑ
                   @øÜ, ®ð AÏ 663000;4. EÕÞÀ‹Ž;<ËÌP,6ÿ[–53˜·–5, ®ð 3˜ 650041)
               H I: ?uX@¡âfg[”ÁZ, uh¼½'x(›¨U?(WPT) WU¦qV8p(CSA)、 78qV(CO)
               8pWÏ9:qV(MGO) 8p^qV/[á•ÔÃa3(GRU)、 8ñNÉÊæ‹nµ(LSTM) ^[”qr。ö“J
               ­ WPT o pHÆ、DO、COD 、NH—Nâfg}¶™šV, ¥åbφÇÈlûY^Ûfg·Z; /썂.
                                    Mn
                                         3
               ;o CSA、CO、MGO8p®, J­ CSA、CO、MGO·k­q GRU、LSTMõûù, Ls WPT-CSA-GRU、WPT-CO-
               GRU、WPT-MGO-GRU、WPT-CSA-LSTM、WPT-CO-LSTM、WPT-MGO-LSTMqr; ±ôJ­éLs^qro
               pHÆB DO、COD 、NH—NeZv·Z}¶[”W&¶, ÄLs WPT-GRU、WPT-LSTMW WPT-CSA-SVM、
                                  3
                             Mn
               WPT-CO-SVM、WPT-MGO-SVM qrýoº·1qr, ήðœ3˜Â“ªÏëÎ?«, ‹î pHÆB DO、
               COD 、NH—NeZ[”oqr}¶oÛ!。¯—ï˜:WPT-CSA-GRU、WPT-CO-GRU、WPT-MGO-GRU、
                        3
                   Mn
               WPT-CSA-LSTM、WPT-CO-LSTM、WPT-MGO-LSTMqro¾« pHÆB DO、COD 、NH—NeZ^[”ÁZ
                                                                                         3
                                                                                    Mn
               qx/poºqr, þÿû¥^[”.—, /¢öÎ WPT-CSA-GRU、WPT-CO-GRU、WPT-MGO-GRUqr^
               [”ÁZ±X;CSA、CO、MGOQÿ.Óq GRU、LSTMõûù, _`uX GRU、LSTM[”lQ; é¶L^ 6 ½qr[
               ”ÁZXŸÌ8Çq(, ´ÿ.^@¡âfg[”qr, µ?{|@¡[”;<uÕûü。
               JKL: @¡[”; /[á•ÔÃa3; 8ñNÉÊæ‹nµ; (›¨U?; U¦qV8p; 78qV8p;Ï9
               :qV8p
               MNOPQ:TV213.4   7RSTU:A    7VWQ:1672643X(2023)04004509

              PredictionofGRU/LSTM waterqualitytimeseriesbasedondataprocessing

                          andoptimizationofseveralswarm intelligencealgorithms
                                                                          3
                                                           2
                                                                                      4
                                                  1
                                   YANGPinghong,HUAo,CUIDongwen,YANGJie
               (1.HydrologyandWaterResourcesBureauofYunnanProvince,Kunming650106,China;2.LincangRuntingWaterResources
              TechnologyServiceCo. ,Ltd.,Lincang677000,China;3.WenshanPrefectureWaterAffairsBureauofYunnanProvince,Wenshan
                 663000,China;4.KunmingBranchofCRSCResearchandDesignInstituteGroupCo.,Ltd.,Kunming650041,China)
               Abstract:Toimprovethepredictionaccuracyofwaterqualitytimeseries,atypeofpredictionmodelbased
               onwaveletpackettransform (WPT),chameleonoptimizationalgorithm (CSA),cheetahoptimization
               (CO)algorithmandmountaingazelleoptimization(MGO)algorithmisproposedtooptimizethegatedre
               currentunit (GRU)andlongshorttermmemorynetworks(LSTM).Firstly,thetimeseriesofpH,DO,
               COD andNH—N arestabilizedbyWPT,bywhichseveralregularsubsequencecomponentsareob
                    Mn
                             3
               tained.Secondly ,theCSA,COandMGOalgorithmsarebrieflyintroducedandthenappliedtotheoptimi
               zationofthehyperrparametersofGRUandLSTM ,bywhichtheWPT-CSA-GRU,WPT-CO-GRU,
               WPT-MGO-GRU,WPT-CSA-LSTM,WPT-CO-LSTM,WPT-MGO-LSTM modelsareestab

                !"#$:20221127; %&#$:20230227
                '()*: !"&Ñ;'ÌÊ)*(2021YFC3200903); !"#$%&'()*(51809288); ¢!@J@Î%&;<P'
                        u%;‘øX)*(WR0145B022021)
                +,-.: Qôq(1967—), ., ®ðeô3, XýNO:, ‚@É@•–2”†#B@CDFÕNý。
                ¥¦+,: 2ÐA(1978—), ., ®ð¾ž3, &5, AXýNO:, ‚@É@CD͐FÕB´Q8p€@A@CDW
                        #¢^¬­;<‘Ný。
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