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首页> 外文期刊>The Journal of Experimental Biology >Measuring wing kinematics, flight trajectory and body attitude during forward flight and turning maneuvers in dragonflies
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Measuring wing kinematics, flight trajectory and body attitude during forward flight and turning maneuvers in dragonflies

机译：在蜻蜓中测量机翼运动学，飞行轨迹和身体姿态，以及在蜻蜓中进行转弯动作

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摘要

A robust technique for determining the wing kinematics, body position and attitude of a free-flight dragonfly is described. The new method is based on a projected comb-fringe technique combined with the natural landmarks on a dragonfly, allowing us to establish the local body-centered coordinate system with high accuracy, and to measure the body attitude at any instant. The kinematic parameters, including wingbeat frequency, flapping angle, angle of attack, torsional angle and camber deformation, required no assumptions to be made with respect to wing geometry, deformability (except the assumption of rigid leading edges) or bilateral wing symmetry. Two typical flight behaviors, forward flight and turning maneuvers, of dragonflies Polycanthagyna metanictera Selys were measured and analyzed.
机译：描述了确定自由飞行蜻蜓的机翼运动学，身体位置和姿态的稳健技术。该新方法基于投影梳状条纹技术并结合了蜻蜓上的自然界标，从而使我们可以高精度地建立以身体为中心的局部坐标系，并可以随时测量身体姿态。运动学参数，包括机翼拍频，襟翼角，攻角，扭转角和外倾变形，不需要对机翼的几何形状，可变形性（除了刚性前缘的假设）或双侧机翼对称性做出任何假设。测量并分析了蜻蜓Polycanthagyna metanictera Selys的两种典型飞行行为，即向前飞行和转弯动作。

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