ICRA'09 Paper Abstract

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Paper FrA11.4

Cheng, Bo (University of Delaware), Fry, Steven N. (University of Zurich), Huang, Qingfeng (Univ. of Delaware), Dickinson, Michael (California Institute of Technology), Dickson, William (California Institute of Technology), Deng, Xinyan (University of Delaware)

Turning Dynamics and Passive Stability in Flapping Flight

Scheduled for presentation during the Regular Sessions "Biologically-Inspired Robots - I" (FrA11), Friday, May 15, 2009, 09:30−09:50, Room: 503

2009 IEEE International Conference on Robotics and Automation, May 12 - 17, 2009, Kobe, Japan

This information is tentative and subject to change. Compiled on January 21, 2022

Keywords Biomimetics, Biologically-Inspired Robots, Aerial Robotics

Abstract

we investigated whether flapping flight has an inherent stability by analyzing the inertial and aerodynamic effects of flapping wings on body dynamics. Based on wing and body kinematics of free flying fruit flies during rapid maneuvers, we found a passive counter torque due to body rotation. It is indentified both in simulation through quasi-steady state aerodynamic model and through experiments on a dynamically scaled robotic wing. An analytical form is derived correspondingly. In the turning yaw axis, the estimated damping coefficient of flapping wings is significantly higher than body frictional damping; this indicates a passive deceleration during turning. By simulating insect to rotate about each principal axis of inertial and body frames, we calculated the corresponding damping coefficients, and further analyzed the attitude stability. The result reveals that, passive damping of flapping flight, while does not necessarily lead to a stable full body dynamics, provides a considerable passive restoring torque that could be critical for flight stabilization and control in the design of micro aerial vehicles. Furthermore, preliminary analysis on the scaling parameters of passive damping reveals its importance in MAV design.

 

 

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