深空探測器的軌道設(shè)計(jì)與優(yōu)化.pdf

1、分類號(hào)UDC密級(jí)編號(hào)中國科學(xué)院研究生院碩士學(xué)位論文】[3lJU丑1ITrajectoryDesignandOptimizationforDeepSpaceExplorationProbe呈塞蕉指導(dǎo)教師趣建垡硒究雖指導(dǎo)教師單位名稱蟲國型堂院窒悶型堂皇座旦班宜蟲：墜申請學(xué)位級(jí)別亟堂焦學(xué)科專業(yè)名稱玉缸墨遮讓論文提交日期2QQ互生且論文答辯日期2鯉魚生魚目2目培養(yǎng)單位生國型堂院窒閶抖堂皇廑口班塞生!墜學(xué)位授予單位圭墾型堂瞳硒窒生瞳答辯委員會(huì)主席

2、縫世查深空探測器的軌道設(shè)計(jì)與優(yōu)化TrajectoryDesignandOptimizationforDeepSpaceExplorationProbeMaWenzhen(SpacecraftDesign)DirectedbyZhengJianhuaAbstractAlongwiththedevelopmentofspacetechnologydeepspaceexplorationisdrawingmoreandmoreattentio

3、nfromthepublicTrajectorydesignandoptimizationisoneofthekeytechniquesofdeepspaceexplorationTrajectorydesignofdeepspaceprobeismorecomplicatedthanthatofearthsatellite，andthereareseveraltransfertrajectoriesforthesamedestinat

4、ionorbitInthisthesis，wefocusonthegravity—assistedtrajectorydesignandoptimizationforspacemissionsFirstlythedesigntechniquesformultipleencountergravity—assistedtrajectorieswithoutpropulsivemaneuversarestudiedBasedonthepatc

5、hedconicmethodandminimumenergydemand，thegraphicalmethodofP—Rpthatpermitsthequickidentificationofallviableballisticgravity—assistsequencestoagiventargetisintroducedThePorkch叩energycontourmapsplottedthroughsolvingtheLamber

6、tproblemareusedtosearchforthelaunchopportunityofmultipleencountersthatdemandsthelowestlaunchenergyBymatchingtheenergyoftheproberelativetothegravity。assistbodybeforeandaftertheflybY(targetC3andC3)，theheliocentricelliptica

7、ltransferorbitandthegeocentrichyperbolicescapeorbitaredesignedMoreover，thegeneticalgorithmisusedtooptimizetheconventional“Pork—Chop’’plotsmethodwithlesscalculatingtimeandhigherefficiencyofsearchingforlaunchopportunityIti

8、smoreremarkabletosearchforalargelaunchtimeperiodSecondlytakethetrajectorydesignofexplorationprobeforthehighlatitudeofthesunforexample，theprocessoftrajectorydesignandoptimizationisstudiedwiththeabovemethodsViabletransferp