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固体运载器飞行动力学逆问题分类

DOI: 10.13700/j.bh.1001-5965.2013.0516, PP. 1017-1021

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Abstract:

为了降低问题分析及求解难度,对固体运载器出现的飞行动力学逆问题进行了分类研究.通过归纳逆问题解的特点,将其分为3类,并给出了每类问题的统一提法.进一步提出了逆问题的解析求解和优化求解2种基本解法.解析解法通常求解较快,但精度不高.优化求解可以得到较为精确的解,但通常耗时.针对每类动力学逆问题选取有代表性的典型工程问题,即主发动机需用推力设计、合外力辨识和误差分离问题,分别进行了分析并得到了求解结果.典型工程问题的分析和计算结果表明了分类的合理性.

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