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面向控制的弹性体高超声速飞行器建模与分析

DOI: 10.13195/j.kzyjc.2013.0387, PP. 1205-1210

Keywords: 高超声速飞行器,弹性模态,动态纵向分析,面向控制模型

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Abstract:

针对高超声速飞行器建模中气动-推进-弹性结构之间的耦合问题,给出飞行器综合建模方法.利用空气动力学相关理论估算气动力、推力及弹性模态,建立了高超声速飞行器弹性体机理模型和面向控制模型,分析了气动加热和质量变化对飞行器弹性模态的影响及纵向气动特性.实验结果表明,气动加热和质量变化对弹性模态影响显著,面向控制模型能降低模型的复杂度,保留机理模型的耦合特性,并为控制器设计提供模型依据.

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