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弹道学报  2014 

陀螺外框摆动角受限时某末制导炮弹的弹道特性

Keywords: 惯导陀螺,外框摆动角,末制导炮弹,弹道特性

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Abstract:

为了研究惯导飞行阶段外框摆动受限时某型末制导炮弹的弹道特性,通过分析惯导陀螺外框工作角度受限后其可能发生的3种运动情况,基于欧拉方程确定陀螺转子的运动状态,分别建立了陀螺转子进动运动的计算模型。利用simulink建立了末制导炮弹弹道数值仿真系统,考虑了外框架摆动受限后外转子运动变化规律,并分析其对惯导飞行控制过程的影响。结果表明,当外框摆动受限时,转子发生进动并改变惯导控制过程的计算基准,对射程、侧偏及落角等弹道诸元产生很大的影响。

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