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Micromachines 2018, 9(3), 111; https://doi.org/10.3390/mi9030111

Modeling and Closed Loop Flight Testing of a Fixed Wing Micro Air Vehicle

1
School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
2
Department of Aerospace Engineering, Indian Institute of Science, Bengaluru 560012, India
*
Author to whom correspondence should be addressed.
Received: 6 February 2018 / Revised: 28 February 2018 / Accepted: 1 March 2018 / Published: 4 March 2018
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PDF [3757 KB, uploaded 4 March 2018]
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Abstract

This paper presents the nonlinear six degrees of freedom dynamic modeling of a fixed wing micro air vehicle. The static derivatives of the micro air vehicle are obtained through the wind tunnel testing. The propeller effects on the lift, drag, pitching moment and side force are quantified through wind tunnel testing. The dynamic derivatives are obtained through empirical relations available in the literature. The trim conditions are computed for a straight and constant altitude flight condition. The linearized longitudinal and lateral state space models are obtained about trim conditions. The variations in short period mode, phugoid mode, Dutch roll mode, roll subsidence mode and spiral mode with respect to different trim operating conditions is presented. A stabilizing static output feedback controller is designed using the obtained model. Successful closed loop flight trials are conducted with the static output feedback controller. View Full-Text
Keywords: flight testing; lateral dynamics; longitudinal dynamics; micro air vehicle; propeller effects; wind tunnel testing flight testing; lateral dynamics; longitudinal dynamics; micro air vehicle; propeller effects; wind tunnel testing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Kandath, H.; Pushpangathan, J.V.; Bera, T.; Dhall, S.; Bhat, M.S. Modeling and Closed Loop Flight Testing of a Fixed Wing Micro Air Vehicle. Micromachines 2018, 9, 111.

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