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蜂蝇悬停和前飞时的动稳定性

许娜 孙茂

许娜, 孙茂. 蜂蝇悬停和前飞时的动稳定性[J]. 北京航空航天大学学报, 2015, 41(1): 133-140. doi: 10.13700/j.bh.1001-5965.2014.0069
引用本文: 许娜, 孙茂. 蜂蝇悬停和前飞时的动稳定性[J]. 北京航空航天大学学报, 2015, 41(1): 133-140. doi: 10.13700/j.bh.1001-5965.2014.0069
XU Na, SUN Mao. Dynamic flight stability of a model dronefly in hovering and forward flight[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 133-140. doi: 10.13700/j.bh.1001-5965.2014.0069(in Chinese)
Citation: XU Na, SUN Mao. Dynamic flight stability of a model dronefly in hovering and forward flight[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 133-140. doi: 10.13700/j.bh.1001-5965.2014.0069(in Chinese)

蜂蝇悬停和前飞时的动稳定性

doi: 10.13700/j.bh.1001-5965.2014.0069
基金项目: 国家自然科学基金资助项目(11232002);111项目(B07009)
详细信息
    作者简介:

    许娜(1986-),女,安徽宿州人,博士生,xuna@ase.buaa.edu.cn

    通讯作者:

    孙茂(1955-),男,贵州贵阳人,教授,m.sun@buaa.edu.cn,主要研究方向为仿生流体力学.

  • 中图分类号: V211.3

Dynamic flight stability of a model dronefly in hovering and forward flight

  • 摘要: 悬停和前飞是昆虫常用的两种飞行状态,研究昆虫在这两种状态下的动稳定性问题对昆虫飞行动力学研究工作具有重要意义.基于“平均模型”和小扰动线化的思想,给出了昆虫绕平衡点处纵向和横向的小扰动运动方程;通过计算流体力学方法获得气动导数,并利用特征模态分析法求解运动方程,研究了蜂蝇悬停和前飞时的动稳定性.结果证明,悬停时纵向和横向扰动运动均存在不稳定模态,悬停是不稳定的;前飞时,纵向扰动运动的不稳定模态的倍幅期较悬停时减小,其纵向不稳定性逐渐增强,而横向不稳定性较悬停时减弱,趋于较弱或中性的稳定;前飞是不稳定的.

     

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出版历程
  • 收稿日期:  2014-02-24
  • 网络出版日期:  2015-01-20

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