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首页> 外文会议>International powered lift conference (IPLC 2008) >Progress in the Development of an Adjustable, Insect-like Flapping Wing Apparatus Utilising a Three Degree-of-Freedom Parallel Spherical Mechanism
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Progress in the Development of an Adjustable, Insect-like Flapping Wing Apparatus Utilising a Three Degree-of-Freedom Parallel Spherical Mechanism

机译：利用三自由度平行球面机构的可调式昆虫拍打翼装置的开发进展

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摘要

This paper presents the progress in the development of an adjustable flapping-wing apparatus for studying the aerodynamics of insect-like flight. To further the understanding of flapping wing aerodynamics necessary for the development of flapping wing micro air vehicles (FMAVs), there is a great need for experimental studies on insect-like flight. The experimental apparatus that is the subject of this paper is intended to address this need. The apparatus will operate in air at the FMAV scale, and will be used to observe the relationships between flapping kinematics, flow characteristics and aerodynamic forces. Discussion focuses on the flapping mechanism developed for the apparatus, which is a three degree-of-freedom 3-RRR parallel spherical mechanism (patent pending). This permits sweeping (side-to-side), plunging (up and down) and pitching (angle-of-attack variation) motions of a flapping wing, which will enable the apparatus to achieve a wide range of flapping kinematics that are observed in nature. The practicality of using this mechanism for producing the flapping motion of a wing for such an apparatus is evaluated. Inverse kinematics and kinetostatic analysis is performed to illustrate the motor speeds, accelerations and torques required to drive the mechanism for a given set of flapping kinematics. It is shown that the mechanism would be ideal for this application. This is due to the fact that the method suggested of driving the mechanism is practical, and it offers many advantages such as simple inverse kinematics, the ability to virtually eliminate vibrations, higher accelerations achievable due to parallel kinematics, and adjustable flapping kinematics.
机译：本文介绍了研究类昆虫飞行的空气动力学的可调节襟翼装置的开发进展。为了进一步理解开发襟翼微型飞行器（FMAV）所必需的襟翼空气动力学，迫切需要对类昆虫飞行进行实验研究。本文的主题是实验设备，旨在满足这一需求。该设备将在空气中以FMAV规模运行，并将用于观察扑动运动，流动特性和空气动力之间的关系。讨论的重点是为该设备开发的拍打机构，这是一种三自由度3-RRR平行球形机构（正在申请专利）。这允许拍打翼的扫动（左右摆动），俯冲（上下）和俯仰（攻角变化）运动，这将使该设备获得在飞行中观察到的多种拍打运动学特性。性质。评估了使用这种机构产生用于这种设备的机翼的拍打运动的实用性。进行了反向运动学和运动学静力学分析，以说明对于给定的一组拍动运动学，驱动机构所需的电动机速度，加速度和扭矩。结果表明，该机制对于该应用而言将是理想的。这是由于以下事实：建议的驱动机构的方法是实用的，并且具有许多优点，例如简单的逆运动学，实际上消除振动的能力，由于平行运动学而可获得的更高加速度以及可调节的襟翼运动学。

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  • 会议地点 London(GB);London(GB)
  • 作者

    Nathan Phillips; rnKevin Knowles;

  • 作者单位

    Aeromechanical Systems Group Cranfield University, Defence Academy of the UK Shrivenham, SN6 8LA, UK Tel: +44 (0)1793 78 5375 Fax: +44 (0)1793 78 3192 email: n.phillips@cranfield.ac.uk;

    rnAeromechanical Systems Group Cranfield University, Defence Academy of the UK Shrivenham, SN6 8LA, UK Tel: +44 (0)1793 78 5375 Fax: +44 (0)1793 78 3192;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 V212.131;
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