载人航天
載人航天
재인항천
MANNED SPACEFLIGHT
2012年
3期
18-24,40
,共8页
载人登月%地月转移轨道%轨道设计%约束条件%轨道特性
載人登月%地月轉移軌道%軌道設計%約束條件%軌道特性
재인등월%지월전이궤도%궤도설계%약속조건%궤도특성
Manned Lunar Mission%Earth -Moon Transfer Trajectory%Trajectory Design%Constraint Conditions%Trajectory Characteristics
分析了载人登月轨道设计的约束条件,在此基础上建立了地月转移轨道设计模型,给出了一种以地球出发轨道参数作为设计变量的轨道设计方法,结合月球星历得到了满足载人登月任务约束的轨道方案,并对载人登月任务地月转移轨道的工程特性进行了分析。此方法是一种无需轨道积分的纯代数计算方法,具有速度快、精度高的特点,其顺行求解的思路,可对载人登月轨道方案制定阶段的轨道特性做出有效分析。
分析瞭載人登月軌道設計的約束條件,在此基礎上建立瞭地月轉移軌道設計模型,給齣瞭一種以地毬齣髮軌道參數作為設計變量的軌道設計方法,結閤月毬星歷得到瞭滿足載人登月任務約束的軌道方案,併對載人登月任務地月轉移軌道的工程特性進行瞭分析。此方法是一種無需軌道積分的純代數計算方法,具有速度快、精度高的特點,其順行求解的思路,可對載人登月軌道方案製定階段的軌道特性做齣有效分析。
분석료재인등월궤도설계적약속조건,재차기출상건립료지월전이궤도설계모형,급출료일충이지구출발궤도삼수작위설계변량적궤도설계방법,결합월구성력득도료만족재인등월임무약속적궤도방안,병대재인등월임무지월전이궤도적공정특성진행료분석。차방법시일충무수궤도적분적순대수계산방법,구유속도쾌、정도고적특점,기순행구해적사로,가대재인등월궤도방안제정계단적궤도특성주출유효분석。
The constraint conditions for manned lunar mission trajectory design are analyzed, and the earth-moon transfer trajectory model is established. Based on this, a trajectory design method is given, in which the leaving-earth orbit parameters are used as design variables. Combined with the ephemeris, the earth-moon transfer trajectory scheme that satisfies the manned lunar mission constraints is reached, and the orbit characteristics are analyzed. Simulation results indicate that the method which does not need trajectory integral is rapid and highly accurate in calculating. It is useful for the analysis of the earth-moon transfer trajectory.