Inproceedings,

Full-envelope, six-degrees-of-freedom trim analysis of unmanned aerial systems based on piece-wise polynomial aerodynamic coefficients

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2017 Workshop on Research, Education and Development of Unmanned Aerial Systems, page 108--113. (2017)
DOI: 10.1109/RED-UAS.2017.8101652

Abstract

© 2017 IEEE. Polynomial models for the aerodynamic coefficients are not able to incorporate the full-envelope aerodynamics and offer only vaguely fitting at high angles of attack. In this paper, we propose a novel approach, namely piece-wise polynomial identification; this method provides a systematic approach for full-envelope aerodynamic fitting, considering measurements both of the pre-stall and post-stall region. As a result, a six-degrees-of-freedom, full-envelope analysis of trim conditions has successfully been applied for a large unmanned aerial vehicle.

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