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针对大展弦比无人机低刚度特点,采用相位共振与相位分离一体化技术,研究了激振器附加质量、附加刚度、激励方案对大展弦比无人机模态试验的影响,有效提高了模态的识别质量和效率,具有非常重要的工程意义。
In view of the low stiffness characteristics of large aspect ratio UAV, the phase resonance and phase separation integration technology is used to study the effect of additional mass, additional stiffness and excitation scheme of exciter on the modal test of large aspect ratio UAV. It has very important engineering significance to improve the recognition quality and efficiency of modal.