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DTSTART;TZID=America/New_York:20250620T100000
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DTSTAMP:20260602T051056
CREATED:20250611T185625Z
LAST-MODIFIED:20250611T185625Z
UID:14144-1750413600-1750417200@seasevents.nmsdev7.com
SUMMARY:MEAM Ph.D. Thesis Defense: "Elastomeric Strain Limitation for Design of Soft Pneumatic Actuators"
DESCRIPTION:Modern robots embody power and precision control\, yet as robots undertake tasks that apply forces on humans this power brings risk of injury. Soft robotic actuators use deformation to produce smooth\, continuous motions and conform to delicate objects while imparting forces capable of safely pushing humans. This thesis presents strategies for the design\, modeling\, and strain-based control of human-safe elastomeric soft pneumatic actuators (SPA) for force generation\, focusing on embodied mechanical response to simple pressure inputs. \nWe investigate electroadhesive (EA) strain limiters for variable shape generation\, rapid force application\, and targeted inflation trajectories. We attach EA clutches to a concentrically strain-limited elastomeric membrane to alter the inflation trajectory and rapidly reorient the inflated shape. We expand the capabilities of EA for soft robots by encasing them in elastomeric sheaths and varying their activation in real time\, showing applications in variable trajectory inflation under identical pressure sweeps. \nWe then address the problem of trajectory control in the presence of external forces by modeling the pressure-trajectory relationship for a concentrically strain-limited class of silicone actuators. We validate theoretical models based on material properties and energy minimization using active learning and automated testing. We apply our ensemble of neural networks for inverse membrane design\, specifying quasi-static mass lift trajectories from a simple pressure sweep. Finally\, we begin analysis of experimentally informed active learning optimization for additional mechanical design tasks\, moving towards future works in larger system design.
URL:https://seasevents.nmsdev7.com/event/meam-ph-d-thesis-defense-elastomeric-strain-limitation-for-design-of-soft-pneumatic-actuators/
LOCATION:Room 337\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Dissertation or Thesis Defense
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
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