4D metrology of flapping-wing micro air vehicle based on fringe projection

Qican Zhang; Lei Huang; Yao-Wei Chin; Lau-Gih Keong; Anand Asundi

doi:10.1117/12.2021034

22 June 2013 4D metrology of flapping-wing micro air vehicle based on fringe projection

Qican Zhang, Lei Huang, Yao-Wei Chin, Lau-Gih Keong, Anand Asundi

Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 87692Y (2013) https://doi.org/10.1117/12.2021034
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore

Abstract

Inspired by dominant flight of the natural flyers and driven by civilian and military purposes, micro air vehicle (MAV) has been developed so far by passive wing control but still pales in aerodynamic performance. Better understanding of flapping wing flight mechanism is eager to improve MAV’s flight performance. In this paper, a simple and effective 4D metrology technique to measure full-field deformation of flapping membrane wing is presented. Based on fringe projection and 3D Fourier analysis, the fast and complex dynamic deformation, including wing rotation and wing stroke, of a flapping wing during its flight can be accurately reconstructed from the deformed fringe patterns recorded by a highspeed camera. An experiment was carried on a flapping-wing MAV with 5-cm span membrane wing beating at 30 Hz, and the results show that this method is effective and will be useful to the aerodynamicist or micro aircraft designer for visualizing high-speed complex wing deformation and consequently aid the design of flapping wing mechanism to enhanced aerodynamic performance.

Citation Download Citation

Qican Zhang, Lei Huang, Yao-Wei Chin, Lau-Gih Keong, and Anand Asundi "4D metrology of flapping-wing micro air vehicle based on fringe projection", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 87692Y (22 June 2013); https://doi.org/10.1117/12.2021034

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KEYWORDS

Micro unmanned aerial vehicles

Fringe analysis

3D metrology

Cameras

Aerodynamics

Metrology

3D image processing

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