固体运载器飞行动力学逆问题分类

李世鹏; 梁欣欣; 荣晶晶; 张艳

doi:10.13700/j.bh.1001-5965.2013.0516

固体运载器飞行动力学逆问题分类

doi: 10.13700/j.bh.1001-5965.2013.0516

北京宇航系统工程研究所, 北京 100076

详细信息

作者简介:
李世鹏（1978-），男，河北石家庄人，高级工程师，flitan@163.com.

中图分类号: V412.1
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- 被引次数: 0
出版历程
- 收稿日期: 2013-09-22
- 网络出版日期: 2014-08-20

Classification of inverse problem of solid launch vehicle flight dynamics

Beijing Institute of Astronautical System Engineering, Beijing 100076, China

摘要

摘要: 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.
- 固体运载器 /
- 飞行动力学逆问题 /
- 需用推力 /
- 合外力辨识 /
- 误差分离
Abstract: To decrease the analytical difficulty and the solving complexity of the inverse problems in the development of the solid launch vehicle flight dynamics, the classification of inverse problems was investigated. By studying the characteristics of the solutions the inverse problems were divided into three classes which were described clearly by formulations. Further, two basic solving methods were proposed, which were analytical method and optimization method. Analytical method is used to solving inverse problem quickly and the precision of the solution is usually low. Optimization method is used for high precision of the solution and the calculation is usually a long time. The typical engineering problems corresponding to three classes were analyzed. The three typical problems are the required thrust design of the main engine, external force identification and error separation. The analysis and the results of the problems indicate that the classification is reasonable.
- solid launch vehicle /
- inverse problem of flight dynamics /
- required thrust /
- force identification /
- error separation

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参考文献(15)

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