Professor

Frédéric Dias

University College Dublin, Ireland


Biography: 

Frédéric Dias received a PhD in Civil and Environmental Engineering from the University of Wisconsin, Madison, USA, in 1986. He started his career in the US before coming back to France to join CNRS in 1990. In 2000, he moved to Ecole normale supérieure Paris–Saclay and has been a Professor of Applied Mathematics since. In 2009, he went to University College Dublin (UCD) on leave to work on wave energy converters. He is now leading the wave group at UCD. In 2012, he received an advanced grant from the European Research Council (ERC) to work on extreme wave events. In 2014, he received a proof of concept grant from the ERC to work on wave measurement. In 2019, he received a second advanced grant from the European Research Council (ERC) to work on wave breaking. 

Prof. Frédéric Dias was elected as a member of the Royal Irish Academy in 2016, of the Academy of Europe in 2017 and of the Norwegian Academy of Science and Letters in 2019. 

In 2014, Prof. Frédéric Dias has been awarded the Emilia Valori prize for applications of science by the French Academy of Sciences.

Prof. Frédéric Dias is co-chief editor of the European Journal of Mechanics B/Fluids and has been Secretary General of the International Union of Theoretical and Applied Mechanics (IUTAM) from 2008 to 2016. 


Lei Zuo, Ph.D., ASME Fellow 

Robert E. Hord Jr. Professor of Mechanical Engineering

Professor of Electrical and Computer Engineering (by courtesy)

Chief Scientist, Pacific Northwest National Lab (PNNL), Richland, WA (joint appointment)

Director, Energy Harvesting and Mechatronics Research Lab

Director, NSF I/UCRC Center for Energy Harvesting Materials and Systems (CEHMS)

Virginia Tech, 315 Durham Hall, Blacksburg, VA 24061


Biography: 

Lei Zuo is the Robert E. Hord Jr. Professor of Mechanical Engineering at Virginia Tech and Chief Research Scientist in the Energy and Environment Directorate at PNNL. He directs the NSF Industry-University Cooperative Research Center for Energy Harvesting Materials and Systems, a consortium with three sites at Virginia Tech, Columbia University, and Penn State University. His research interests include marine renewable energy, energy harvesting, vibration control, mechatronics design, self-powered sensors, and advanced manufacturing. His research has been funded by NSF, DOE, ONR, US Army, DOT, EPA, USAID, NY/VA states as well as industry.  He has authored over 300 papers and advised 16 PhD and over 40 Masters to completion of their degrees.  Prof. Zuo has received several prestigious awards for his research, including two R&D 100 Awards (2015 and 2011) as PI by R&D Magazine, the 2017 ASME Leonardo Da Vinci Award for “eminent achievement in the design or invention of a product which is universally recognized as an important advance in machine design” and the 2015 ASME Thar Energy Design Award for “pioneering research in energy engineering, especially at large energy scale.”  He was also selected for the Ralph R. Teetor Educational Award by SAE in 2014. He completed his BS from Tsinghua University and MS and Ph.D. from MIT. He is a Fellow of ASME.  


Prof. John Ringwood

Dept. of Electronic Engineering

Maynooth University

Maynooth, Co. Kildare, Ireland


Title: Control co-design for wave energy systems

Abstract: 

In an effort to make the conversion of wave energy economic, researchers and practitioners employ a variety of experience, intuition, and formal methods to engineer wave energy devices, with more than 200 prototypes already presented. While wave energy systems are typically multidisciplinary, typically containing hydrodynamic, hydraulic, mechanical, electrical and electronic physical components, they are also controlled by computer algorithms which attempt to maximise energy capture, in an effort to reduce the energy costs. However, such cyber-physical systems are rarely designed in an integrated way where the overall dynamic performance is determined through an interactive design process which considers both physical and computer-based components in a dependent way. This paper considers the totality of a co-design framework, where the overall optimal system dynamics can be achieved as some combination of physical, computer-based, or mechanical enhancement mechanisms. To this end, it is important to establish appropriate target performance objectives and, since the ultimate performance objective of Levelised Cost of Energy (LCoE) is rarely computable on a short-term basis, the paper examines achievable performance metrics which can provide a realistic surrogate for LCoE.

While the paper and presentation will focus on wave energy as a primary application area, the control co-design concept and framework can be applied to a variety of other systems, including other marine systems employing a control component.

Biography: 

John Ringwood received the HDipEE from Dublin Institute of Technology, the BSc(Eng) from Trinity College Dublin, both in electrical engineering, and the PhD in control systems from Strathclyde University. He also holds an MA in music technology from the National University of Ireland. Spanning a number of application areas, including steel rolling, food processing, semiconductor manufacture, robotics, and biomedical engineering, he has been working in the wave energy area for almost 20 years, focussing on the application of control technology to wave energy devices and arrays. He has published 400 peer-reviewed papers and co-authored the text Hydrodynamic Control of Wave Energy Devices with Umesh Korde. He sits on the editorial boards of IEEE Trans. on Sustainable Engineering, Energies, IET Renewable Power Generation, and Journal of Ocean Engineering and Marine Energy. He holds 3 patents in wave energy control, successfully spun a wave energy company out of Maynooth University and has licenced wave energy control technology to industry. He is currently Professor Electronic Engineering and Director of the Centre for Ocean Energy Research at Maynooth University. He is a fellow of Engineers Ireland and a Chartered Engineer.



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