机动飞行飞行器内具有初始弯曲和刚度不对称的转子运动模型
Mathematical Modeling of a Maneuvering Asymmetric Rigidity Rotor with Initial Bending
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摘要: 本文建立了位于机动飞行飞行器内且同时具有初始弯曲、不对称刚度和质量不平衡的单盘Jeffcott转子的动力学模型。当飞行器静止时,设相关参数为零后该模型与相应地面转子系统的数学模型完全相同。应用该模型可数值仿真研究飞行器运动时位于飞行器内的等转速、等加速、等减速运行转子的动态特性,研究飞行器不同飞行速度和加速度对转子动力学特性的影响,分析飞行器飞行时转子出现故障时的响应特性,从而为机动飞行器内转子的动力学分析和故障诊断提供依据。Abstract: A mathematical model of an unbalanced rotor system located in aircraft with asymmetric rigidity and initial bending is given in this paper.The model for the maneuvering rotor can be used to study the dynamic characteristics of a rotor running with constant rotating speed,constant acceleration or deceleration,to investigate the influence of the velocity and acceleration of aircraft on the rotor dynamics,to analyze the amplitue response of a rotor and to diagnose the fault of a maneuvering rotor.
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Key words:
- maneuvering /
- rotor /
- asymmetric /
- rigidity
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