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February 2014

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Presenter: Martha Grover, Georgia Institute of Technology
Date: 11 Feb 2014
Time: 10 AM Central Time
Topic: Feedback Control of Stochastic Self-Assembly
Share this Flyer with Colleagues: http://apmonitor.com/wiki/uploads/Main/2014_02_Martha_Grover.pdf

Abstract: The control of micro- and nanoscale assembly is challenging, due to the high-dimensional nonlinear stochastic dynamics and the difficulty of real-time sensing.  In the colloidal assembly process discussed here, the goal is to drive a collection of micron-sized particles into a highly ordered crystalline structure, for application to optoelectronics.  The process is monitored in real-time using optical microscopy, with particle positions fed back to a controller that adjusts the voltage.  The voltage influences all particles in a position-dependent manner, creating an underactuated control system.  We developed stochastic models for the process and used a Markov decision based dynamic programming method to construct the optimal control policy.  Both simulation and experimental studies will be discussed.

Bio: Martha Grover is an Associate Professor in the School of Chemical & Biomolecular Engineering at Georgia Tech.  She earned her BS from the University of Illinois, Urbana-Champaign, and her MS and PhD from Caltech.  She joined Georgia Tech as an Assistant Professor in 2002, and received an NSF CAREER award in 2004.  In 2011 she received the Outstanding Young Researcher Award from the Computing and Systems Technology Division of AIChE.  Her research program is dedicated to understanding, modeling, and engineering the self-assembly of atoms and small molecules to create larger scale structures and complex functionality.  Her approach draws on process systems engineering, combining modeling and experiments in applications dominated by kinetics, including surface deposition, crystal growth, polymer reaction engineering, and colloidal assembly.

Join the WebEx meeting from here:
https://meetings.webex.com/collabs/meetings/join?uuid=M10CMN75ACBW9KHDWJM3QYNUN1-18BV
Meeting number: 197 583 823
Audio Connection: +1-415-655-0001
Access code: 197 583 823

Upcoming Sessions:

http://apmonitor.com/wiki/index.php/Main/ApplicationWebinars

Jeff Kelly
Industrial Flowsheet Optimization and Estimation using IMPL (Industrial Modeling & Programming Language)
Feb 18, 2014
11 AM Eastern
Industrial Algorithms

Martin Schlueter
Global Optimization of MINLP by Evolutionary Algorithms
Feb 25, 2014
5 PM Eastern
Hokkaido University, Japan (MIDACO)

Carl Laird
Parallel Optimization
Mar 4, 2014
11 AM Eastern
Texas A&M

Jeff Renfro
Progress and Challenges in Equation Oriented Dynamic Modeling
Mar 18, 2014
11 AM Eastern
Honeywell Process Solutions

Anshul Agarwal
John Wassick
Supply Chain Optimization in Dow Chemical
Mar 25, 2014
11 AM Eastern
Dow Chemical

Krystian Perez
Reduced Order Modeling of Residential Buildings from Smart Meter Data
Apr 15, 2014
11 AM Eastern
University of Texas at Austin

3 Minute Speed Networking
Apr 22, 2014
11 AM Eastern
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Ali Cinar
Control of Artificial Pancreas Systems
Sept 16, 2014
11 AM Eastern
Illinois Institute of Technology

Pieter Schmal
Dynamic Modeling and Optimization Advances with gPROMS
Oct 14, 2014
11 AM Eastern
PSE





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