水下高速运动体纵向运动建模及稳定控制
Journal Title: Science Paper Online - Year 2009, Vol 4, Issue 1
Abstract
为保证水下高速运动体在水中能稳定地高速运动,使用分叉法分析运动体的运动规律并确定控制律。对运动体受力和超空泡特性进行分析,建立了水下高速运动体纵向运动的动力学模型,利用Matlab/R2007asimulink仿真平台设计了水下高速运动体模型的仿真模块化模型。采用分叉分析法确定系统分叉点、模型稳定运动的区域,以此为依据确定最适合系统的极点,设计控制率并使用数值仿真验证。仿真结果证明,建立的水下高速运动体的纵向运动模型符合运动体的实际运动规律,在分叉点处模型的运动特性产生突变,在合适的控制率下可以避免突变产生,使模型能稳定运动。
Authors and Affiliations
Tao BAI , Yao SUN , Hongwei MO
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