3 . the effects of every flapping control parameters on the aerodynamic characteristics of flapping wing are investigated . its results lay a foundation for the further investigations of flapping wing micro air vehicles 3 、研究了运动各参数对扑翼的气动特性的影响，为扑翼微型飞机的进一步研究设计打下了基础。
Combined with blade element theory , the results can be used to evaluate aerodynamic characteristics of flapping wings , which are helpful for the initial design of micro rotary and flapping wing 运用本文方法分析了各参数对翼型气动特性的影响，进一步结合叶素理论还可以估算扑翼的气动特性，进而指导微旋翼或扑翼微型飞行器的初期设计。
The main aspects of this dissertation are as follows : 1 . employing the moving grid technique , a 3 - d moving grid based on the transfinite interpolation is developed . this grid has better adaptation than the deforming grid for flapping wing 本文的主要工作表现在以下几个方面： 1 、引入运动网格技术，发展了一套基于广义无限插值理论的适合扑翼计算的三维运动网格，提高了网格对扑动机翼的适应性。
Results show that the bionic flying can be more easily realized when the scaling sizes are decreased , thus making high flapping frequency motion by the resonance , and meeting the power needs of the flapping wing for the electrostatic , the electromagnetic and piezoelectric actuators 分析结果表明，当尺寸减小时，仿生飞行更容易实现：通过共振能实现高频运动，微静电、电磁和压电驱动器都能满足扑翼系统功率需求。
In this thesis , the finite element method is used to study the static and dynamic characteristics of the biomimetic wings of dragonfly . based on the results of fea ( finite element analysis ) , the structure and dynamic performance of biomimetic wings of fmav are discussed extensively 本文利用有限元的基础理论,对仿蜻蜓翅翼进行结构静力及动力学等内容的分析,研究了仿生微扑翼飞行器翅翼的结构和运动特性等。
According to the brief introduction of the characteristic and category about flapping - wing actuators , the design of actuators based on mems technology and linkage mechanism is analyzed and compared , the methods and ways of realizing the actuators are also descussed 摘要本文在简要介绍扑翼飞行器驱动特点及分类的基础上，就基于mems技术和基于连杆机构扑翼驱动的机构设计进行了分析比较，探讨了扑翼驱动机构的实现途径和方法。
Flapping - wing micro air vehicles ( fmav ) are new conceptual air vehicles . they surpass the research fields of traditional airplane design and aerodynamics in relation to application technologies , and initiate the applications of mems technologies to aviation fields 微扑翼飞行器是一种模仿鸟类或昆虫飞行的新概念飞行器,在应用技术上它超出了传统的飞机设计和气动力的研究范畴,同时开创了微机电系统技术( mems )在航空领域的应用。
The flapping wing system of a bionic flying micro - robot based on insects and birds aggregates the lift , hovering and push functions , its kinematics and aerodynamics are different from that of fixed wing and rotational wing , and so bionic flying micro - robot must be studied from bionics initially 摘要模仿昆虫和小鸟飞行的扑翼飞行机器人将举升、悬停和推进功能集于一个扑翼系统，与固定翼和旋翼完全不同，因此研究只能从生物仿生开始。
The static and dynamic characteristics of biomimetic wings are studied in this thesis . through the linear and nonlinear static analysis on the biomimetic wings , the static performance such as deformation and stress distribution are obtained . after comparing the results and changing the material characteristic parameters in the static analysis to see the changes of biomimetic wings , several keys to determine the structure stiffness of biomimetic wings are summarized 在此基础上,对仿生微扑翼飞行器机翼进行静动态特性分析,分别对前、后翅翼进行线性和非线性静力学分析,比较两种情况下结构的变形及应力等静态性能,并初步探讨了改变材料特性对仿生翼刚度变形的影响,总结出影响其刚性的几个关键因素。
Then , the modal analysis of two differently typical biomimetic wings are conducted and their modal parameters as nature frequency and vibration modes are obtained . as a result , the plane - structure wings with shell elements for fmav is not ideal comparing with the truss - structure wings composed by shell and pipe elements 利用ansys软件对两种结构类型的仿生翼进行模态分析,得到其低阶固有频率及振型等模态参数,并由结果指出纯壳单元平板结构作为微扑翼飞行器的机翼不够理想,而采用梁单元和壳单元的复合结构是设计微扑翼飞行器机翼的一个方向。
