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Identification of Flight Vehicle Models Using Fuzzified Eigensystem Realization Algorithm

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4 Author(s)
Chun-Liang Lin ; Dept. of Electr. Eng., Nat. Chung Hsing Univ., Taichung, Taiwan ; Ching-Huei Huang ; Chia-Sung Lee ; Maw-Jyi Chao

This paper presents a new approach with a fuzzified eigensystem realization algorithm for identification of flight vehicle models in low-speed wind tunnel (LSWT) and high-speed wind tunnel (HSWT). A variety of variables in model types and testing environment (such as angle-of-attack, sideslip angle, tunnel wind speed) and profile, elevator, and power system (motor and propeller) of mini unmanned aerial vehicle (mini-UAV) model are considered in a power-on mini-UAV testing system in LSWT and an Advisory Group for Aerospace Research and Development (AGARD) standard calibration model in HSWT. The method based on the fuzzy logic inference structure is simple and effective. The results obtained are compared to those obtained by the conventional wind tunnel testing method. To verify the effectiveness of the proposed methodology, simulations are conducted using real-world experimental results that demonstrate that the working performance of the proposed method correlates well as expected.

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Industrial Electronics, IEEE Transactions on  (Volume:58 ,  Issue: 11 )