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SUMMARY:Programmable Multistable Mechanisms
DTSTART:20180329T161500
DTEND:20180329T171500
DTSTAMP:20260408T201902Z
UID:32993ad07cb71c23cb78907ee76702d4817e5f39b3795b6e25734935
CATEGORIES:Conferences - Seminars
DESCRIPTION:Mohamed Zanaty - EPFL STI IMT INSTANT-LAB \nAbstract Multist
 able mechanisms have a wide range of applications such as mechanical switc
 hes and energy harvesters. I introduce programmable multistable mechanisms
 \, where the number of stable states can be modified by programming inputs
 . Stability programming opens a whole host of applications from medical de
 vices to mechanical computation. The qualitative stability behavior of a g
 eneric programmable multistable mechanism\, the T-mechanism\, is establish
 ed. An analytical model based on Euler-Bernoulli beam theory is used and s
 tandard stiffness methodology is utilized to approximate mechanism strain 
 energy as an eighth degree polynomial\, where the coefficients are functio
 ns of the programming inputs. The roots of this polynomial determine the q
 ualitative stability and stiffness behaviors. The results are validated us
 ing finite element analysis and experimental measurements. This method can
  be generalized to more complicated designs. Stability programming is appl
 ied to surgical tools to improve the treatment of the retinal vein occlusi
 on.\n\nBio Mohamed Zanaty is a doctoral student at Instant-lab\, Institut
 e of Microengineering at EPFL. His research consists of the design\, model
 ing\, simulation and characterization of compliant mechanisms and their ap
 plications to medical devices.
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418
STATUS:CONFIRMED
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