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UID:0-260@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20210301T123000

DTEND;TZID=Asia/Jerusalem:20210301T133000

DTSTAMP:20230525T063547Z

URL:https://aerospace.technion.ac.il/events/experimental-aeroelastic-shape
 -sensing-and-control/

SUMMARY:Experimental Aeroelastic Shape Sensing and Control
DESCRIPTION:Lecturer:Michael Simbuerger\n Faculty:Department of Aerospace E
 ngineering\n Institute:Technion – Israel Institute of Technology\n Locat
 ion: https://technion.zoom.us/j/6068424887\n Zoom: \n Abstract: \n Detail
 s: \n The main goals in aircraft design nowadays are noise and emission re
 duction\, together with performance improvement.  These can be achieved s
 traightforwardly with lightweight\, large-span configurations. However\, l
 ight aircraft are inherently more flexible and susceptible to adverse aero
 elastic phenomena such as flutter\, reduced control-surface efficiency\, a
 nd large static and dynamic loads. Over the years\, and with advances in a
 ircraft control technology\, several studies have shown that wings' flexib
 ility can be leveraged to achieve optimal performance (e.g.\, drag reducti
 on\, minimization of loads\, or minimization of deformations) while minimi
 zing adverse aeroelastic effects.\nThe current research study focuses on d
 eveloping and implementing an aeroelastic shape sensing and control method
 ology that relies on strain-data from fiber-optic sensors (FOS).  Fiber-o
 ptic sensing is commonly used in civil engineering\, aerospace\, marine\, 
 and oil and gas. Prominent use of fiber-optic sensors (FOS) in the aerospa
 ce industry is for structural health monitoring of complex aero-structures
 . FOS's inherent capabilities include strain accuracy\, spatial resolution
 \, broad strain dynamic range\, high sampling rate\, insensitivity to elec
 tromagnetic radiation\, small size\, and lightweight. These properties mak
 e FOS highly suitable for aerospace systems.  Recent studies demonstrated
  how FOS strain-data could be used to reconstruct the static and dynamic d
 eformed shape of a flexible wing and predict the flutter onset speed. The 
 current study further develops these capabilities and demonstrates wing-sh
 ape control based on strain-data measured via FOS.\nThe seminar will prese
 nt the wing design\, analyses\, instrumentation with optical fibers\, and 
 experiments. FOS-based trim optimization was successfully realized\, reduc
 ing the wing's deformation by 30% while maintaining a required nominal lif
 t.\nhttps://technion.zoom.us/j/6068424887
CATEGORIES:Seminars
LOCATION: https://technion.zoom.us/j/6068424887

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