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UID:0-1572@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20260706T133000

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URL:https://aerospace.technion.ac.il/events/seminar-eli-livne-6july26/

SUMMARY:Active Aeroservoelastic Control and its Challenges
DESCRIPTION:Lecturer:Prof. Eli Livne‬‏\n Faculty:William E. Boeing Depa
 rtment of Aeronautics and Astronautics\n Institute:University of Washingto
 n\, Seattle\, USA\n Location:Auditorium 235\, The Faculty of Aerospace Eng
 ineering\, Technion\n Zoom: https://technion.zoom.us/j/98372598857\n Abstr
 act: The idea that active control could be used to shape the aeroelastic b
 ehavior of deformable aircraft was known to aeroelasticians many years ago
 . In the late 1960s / early 1970s\, with the appearance of “fast enough
 ” actuators and other improvements in control technology’s theory and 
 hardware\, active aeroelastic control became feasible.\nMuch progress has 
 been made in this area over the years and practically all advanced aircraf
 t use active aeroelastic control in one form or another\, including stabil
 ity / handling qualities augmentation\, gust load alleviation\, ride comfo
 rt improvement\, and maneuver load redistribution (aka maneuver load contr
 ol).\nThe full promise of the technology has yet to materialize\, however\
 , as it still faces major challenges. In particular: Active Flutter Suppre
 ssion (AFS)\, where active control is used to fly airplanes beyond their o
 pen-loop flutter speeds for potential weight and performance advantages.\n
 Because of the risks involved when flying close to or beyond the flutter s
 peed\, AFS has not been approved for wide commercial or military use. And 
 yet\, in a few special cases over the last 50 years or so it was approved 
 for real-world implementation.\nThe talk will begin with a brief tutorial 
 on aeroservoelasticity\, followed by a presentation of current AFS challen
 ges and opportunities\, and then a discussion of the certification aspects
  of the technology and a few cases in which it has been approved and used.
 \n\nBio:Eli Livne is the Boeing Professor of Aeronautics and Astronautics 
 at the William E. Boeing Department of Aeronautics and Astronautics at the
  University of Washington in Seattle\, USA. His years of experience includ
 e analysis\, design\, and test work on various civil and military aircraft
  as well as teaching and research in the areas of aeroelasticity\, aeroser
 voelasticity\, multidisciplinary design optimization (MDO) of aeronautical
  systems\, applied aerodynamics\, and aircraft design.\nProfessor Livne wa
 s the Editor in Chief of the AIAA’s Journal of Aircraft from 2011 to 202
 2. He is the recipient of the AIAA’s Holt Ashley Award for Aeroelasticit
 y as well as the International Council for the Aeronautical Sciences (ICAS
 ) Award for Innovation in Aeronautics “for seminal contributions to the 
 theory and practice of Aeroservoelasticity in the context of aircraft Mult
 idisciplinary Design Optimization\, and pioneering work towards the matura
 tion of aircraft active flutter suppression technology.” He is a Fellow 
 of the AIAA.\n\nThe seminar will be given by Prof. Eli Livne\, the 2026 wi
 nner of the Meir Hanin International Aerospace Prize\n Details: \n 
CATEGORIES:Seminars
LOCATION:Auditorium 235\, The Faculty of Aerospace Engineering\, Technion

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