[CCoE Notice] Seminar: Electro-active Polymer Artificial Muscles and Sensors * MH 180, Bauer Business School * 10:30 am, Friday, August 23, 2019 * Zheng Chen * University of Houston *

[Knudsen, Rachel W]

***** Seminar *****
Department of Electrical and Computer Engineering
Materials Engineering Program
Center for Integrated Bio and Nano Systems
  August 23, 2019
10:30 a.m., Room: MH 180
Electro-active Polymer Artificial Muscles and Sensors
Zheng Chen
Department of Mechanical Engineering, the University of Houston

Abstract: Electroactive polymers (EAPs) are emerging smart materials that can generate large deformations under electrical stimuli. EAPs have a built-in sensing and actuation mechanism which enables them as sensors and actuators. EAPs have difference configurations which can be divided into two categories: ionic EAPs and electronic EAPs. Ionic polymer metal composites (IPMCs) are one type of ionic EAPs which can generate large bending motion under wet conditions. Dielectric elastomers are one type of electronic EAPs which can generate large contraction force under high voltage stimuli. In this talk, we will explore the mechanism, modeling, sensing, fabrication, and application of IPMC and DE. This presentation will be organized as follows. Fabrication of IPMC will be discussed first. Physics-based and control oriented-modeling of IPMC actuator will be discussed second. Third, bio-inspired underwater robots enabled by IPMC will be presented. Fourth, fabrication, modeling, control, and self-sensing of DE actuator will be demonstrated. Last, advantages and potential challenges of EAPs will be discussed at the end.
Bio: Dr. Zheng Chen is a Bill Cook assistant professor in the Department of Mechanical Engineering at the University of Houston. He received his B.E. degree in Electrical Engineering, M.E. degree in Control Science & Engineering from Zhejiang University, China in 1999 and 2002. Dr. Chen received his Ph.D degree in Electrical Engineering from Michigan State University (MSU) in 2009. Dr. Chen joined the Department of Mechanical & Aerospace Engineering at the University of Virginia as a research associate in Sept. 2009. In July 2012, Dr. Chen joined Baker Hughes as a research & development engineer specialized in control systems. From August 2013 to May 2017, Dr. Chen was an assistant professor in the Department of Electrical Engineering and Computer Science at Wichita State University. In Sep. 2017, Dr. Chen joined UH as an assistant professor in Mechanical Engineering. His research interests include electroactive polymer artificial muscle, bio-inspired underwater robots, underwater cyber physical systems, control of hydraulic fracturing equipment, and renewable energy systems. His current research is supported by NSF and Baker Hughes. Dr. Chen received many prestigious awards, such as NSF CAREER Award in 2017, Kansas NSF EPSCoR First Award in Climate Change and Energy in 2015.
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