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弹道学报  2014 

压电舵翼动力学模型研究

Keywords: 智能弹药系统,压电舵翼,动力学模型,动力学响应,动力学参数

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Abstract:

为了准确地得到压电舵翼的动力学特性和动力学参数,根据压电舵翼的工作原理,分析舵翼工作时各部件的运动特性;以振动动力学理论为基础,建立了舵翼系统的动力学模型。通过测量压电舵翼系统在阶跃信号激励下的动力学响应,验证了动力学模型的正确性。结合动力学模型和舵翼系统的动力学响应曲线,得到了压电舵翼有阻尼自振周期23ms,阻尼比0.5715,是一个二阶欠阻尼系统,这为舵翼系统的结构优化以及控制奠定了基础。

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