A Smart Wing Model: From Design to Testing in a Wind Tunnel with a Turbulence Generator

被引:0
|
作者
Ursu, Ioan [1 ]
Tecuceanu, George [1 ]
Enciu, Daniela [1 ]
Toader, Adrian [1 ]
Nastase, Ilinca [2 ]
Arghir, Minodor [1 ]
Calcea, Manuela [1 ]
机构
[1] Natl Inst Aerosp Res Elie Carafoli INCAS Bucharest, Bucharest 061126, Romania
[2] Tech Univ Civil Engn Bucharest, Bldg Serv Dept, CAMBI Res Ctr, 66 Ave Pache Protopopescu, Bucharest 021414, Romania
关键词
climatic changes; smart wing; electric broadband servomotor; turbulence generator; experimental identification; wind tunnel tests; active vibration control; H-infinity robust control; LQG control; H-INFINITY CONTROL; CLEAR-AIR TURBULENCE; STABILITY; SUPPRESSION; FEEDBACK;
D O I
10.3390/aerospace11060493
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
The paper concerns the technology of the design, realization, and testing of a flexible smart wing in a wind tunnel equipped with a turbulence generator. The system of smart wing, described in detail, consists mainly of: a physical model of the wing with an aileron; an electric servomotor of broadband with a connecting rod-crank mechanism for converting the rectilinear motion of the servoactuator into the aileron deflection; two transducers: an encoder for measuring the deflection of the control aileron and an accelerometer mounted on the wing to measure its bending and torsional vibrations; a procedure for determining the mathematical model of the wing by experimental identification; a turbulence generator in the wind tunnel; implemented H-infinity and LQG algorithms for active control of vibrations. The attenuation experimentally obtained for the aeroelastic vibrations of the wing, but also for those accentuated by the turbulence, reaches values of up to 50%.
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页数:26
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