摘要
文章针对"火星探路者",对火星探测器在进入火星大气减速过程中的运动稳定性问题进行了研究,分析了质心位置、进入条件、大气参数等因素对火星探测器运动稳定性的影响。分析结果表明,在马赫数大于1.2时,探测器处于一个比较稳定的状态。
Based on the Mars Pathfinder,the motion stability of Mars explorer in entry phase was analysed,further the effects caused by each of relevant uncertainties,such as center of gravity,entry condition,atmosphere parameter upon the nominal attitude profile were quantified.The results show that the entry vehicle is aerodynamically stable when the Mach number is more than1.2.
出处
《航天返回与遥感》
2011年第4期6-13,共8页
Spacecraft Recovery & Remote Sensing
关键词
火星探测器
静不稳定
动不稳定
偏差因素
蒙特卡洛法
Mars explorer Static instability Dynamic instability Uncertainties Monte carlo method
