船舶動力定位系統(tǒng)定位能力分析.pdf

1、分類號UDC密級學(xué)校代碼IQ盛97劣撼健聲大亨學(xué)位論文題目船舶動力定位系統(tǒng)定位能力分析英文DynamicpositiQni旦gCapability旦n旦lysis魚rD衛(wèi)業(yè)55旦15研究生姓名廣超越指導(dǎo)教師姓名一邏」灸一職稱一止教止遺一學(xué)位魚二士單位名稱交通學(xué)院郵編430063申請學(xué)位級別碩士學(xué)科專業(yè)名稱船舶與海洋結(jié)構(gòu)物設(shè)計制造論文提交日期2011.4論文答辯日期2011.5學(xué)位授予單位武漢理工大學(xué)學(xué)位授予日期答辯委員會主席再之沁評閱人

2、戶、立租義2011年5月武漢理工大學(xué)碩士學(xué)位論文AbstractHydrodynamieinteraetionsofDPthnlstersystem，thrt】stoPtimumalloeationandanalysisofDPeapabilityarePresentedinthisarticle.ThehighaceuraeyloeatingofdynamicPositioningsystemtheerectPredictionofP

3、ositioningPolarcaPabilityhaveaeloserelationtotheeorreetealculationofProPellerlossesinallweathereonditions.WhentheProPellerworkedunderthewater，therewillbecomPlexflowfiledaroundtheProPellerwhiehleadingtoattenuationofProPel

4、lerPerfmanee.Thefmationmeehanismofthetllrustlossescausedbythrusterhullinteraction，thrusterthrusterinteraetion，theeurrent，thewaveandotherfactorsarediseussedinthisPaPer.Usingsemi一emPiriealmethodsbasedonmodeltest，thethrustl

5、ossesareealeulated，andthemeasuresofhowteducetllrustlossesarealsodiseussed.ThrustoPtimumalloeation15theeorePartoftheDPS，50it15imPortanttofindareasonablestrategytodeterminethemagnitudeanddireetionofthrusteachthrustergenera

6、tes.APPlyingtheeoneePtofextendedthrust，tllnlstmodel15established，andbasedonthenonlinearoPtimizationalgoritllln，arationalandeffeetiveoPtimalt】1川stallocationmethod15PresentedinthisPaper.TheobjeetiveofthethrustoPtimumalloca

7、tion15tominimizethefueleonsumPtionfdynamiePositioningvessel，otherfaetorssuehasthrustlimitation，fbiddenzoonarealsotakenintoconsideration.EsPeeially，whenmddersareusedinDPS，thetllrustalloeationProblembecomesnon一convexandthe

8、refediffieulttosolve.UsingeonvexificationtechniquesandestablishingtheProPeller廳uddermodel，athrustalloeationmethodfDPvesselswithrudders15Presented.ThePrecisenessofDPeaPabilityevaluationlargelydePendsontheaceuraeyofenviron

9、mentloadestimation.FromtheasPeetofDPcapability，theenvironmentloadealeulationmethodsarediseussedinthisPaPer.UsingtheemPiriealfmula，thewindloadealculationmodule15established，andbasedonthedateofseriesmodeltext，theeurrentloa