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基于响应面法的月球着陆器软着陆性能优化

DOI: 10.13700/j.bh.1001-5965.2013.0364, PP. 707-711

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Abstract:

为了提高月球着陆器软着陆性能,建立了月球着陆器的多体动力学参数化模型.对某典型恶劣工况进行了优化拉丁超立方实验设计,辨识关键实验因子.利用参数化模型和实验设计获取样本点构造了响应面模型,并检验了响应面的拟合精度.以多个动力学性能作为优化目标,用响应面计算结果构造目标函数和约束条件,对响应面参数做多目标优化.将优化所得参数代入动力学模型中进行仿真,优化效果明显,验证了基于响应面法的软着陆性能优化方法的可行性,为今后的仿真实验提供参考.

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