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Waves Chapter and Computer and Computational Intelligence Chapter Technical Seminar – Topology Optimization: Not Simply Throwing Parameters at the Wall – October 7, 2019

Monday, September 30th, 2019

The IEEE Waves Chapter and the IEEE Computer and Computational Intelligence Chapter are pleased to present

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Seminar Title: Topology Optimization: Not Simply Throwing Parameters at the Wall

Speaker: Dr. Rasmus Ellebæk Christiansen 

Link: https://events.vtools.ieee.org/m/205681

All are welcome to attend!

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Date: Monday October 7th, 2019 – 12:30 PM to 1:30 PM

Location: EITC E1-270 (off the Engineering Atrium) University of Manitoba, 75 Chancellor’s Circle, Winnipeg, MB, Canada

Contact: Ian Jeffrey, Chair, IEEE Winnipeg Section, Winnipeg – Ian (dot) Jeffrey (at) umanitoba (dot) ca.

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Presentation Abstract:

 

The rigorous engineering of physical systems, such as carefully designing the load carrying members in an airplane or the optical components in a microscope, is a cornerstone in the improvement and development of new devices and the advancement of science.

Present day engineering solutions often rely on parameter studies, analytical design rules and human intuition, all of which have limitations, regularly resulting in sub-optimal devices hereby leaving room for improvement. Meanwhile, ongoing advances in mathematical modelling and growth of computational power has facilitated the development of powerful design tools, such as topology optimization, providing unprecedented freedom to explore and exploit the vast design spaces available for a multitude of physical problems.

This talk will present a range of engineering solutions created using topology optimization, with a focus on wave propagation problems within electromagnetism; give a brief introduction to structural optimization in general and a detailed discussion of density based topology optimization in particular. Recent results of using topology optimization to solve design problems considering plasmonic field localization, enhanced Raman scattering and photonic cavity design will be discussed.

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Biography of the Speaker:

 

Rasmus holds a BSc in Physics and Nanotechnology (2011), a MSc in Computational Mathematics (2013) and a PhD-degree (2016) from the Department of Mechanical Engineering at the Technical University of Denmark (DTU). His PhD-fellowship was focused on the development, application and experimental validation of topology optimization based methods for solving wave propagation based design problems in acoustics and optics.

 

He currently works as a Postdoctoral researcher at DTU, where he have been involved in several projects, among which are the SunTune project and the NATEC project. The SunTune project is centered at Aarhus University and concerns the design of passive solar cell components aimed at increasing their operating efficiency. This includes the design of metallic nanoparticles for localized electromagnetic field enhancement. The NATEC project is centered at the Department of Photonics at DTU and is focused on the design of active and passive photonic structures for applications in optical data processing and terabit communication.

 

Currently, he is visiting the Department of Mathematics at Massachusetts Institute of Technology (MIT) as a short term scholar, where he works with Professor Steven G. Johnsons group on light matter interaction problems, treating phenomena such as Raman and Cherenkov scattering as well as designing optical metasurfaces.

 

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IEEE Waves Chapter Seminar – Automotive Radar – A Signal Processing Perspective on Current Technology and Future Systems – October 10, 2019

Friday, September 20th, 2019

IEEE Winnipeg Waves Chapter (APS/MTTS/VTS) is pleased to present the following seminar:

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Seminar Title:

Automotive Radar – A Signal Processing Perspective on Current Technology and Future Systems

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Speaker:

Dr. Markus Gardill

IEEE Distinguished Microwave Lecturer (IEEE MTT Society)

Head of the Group Radar Signal Processing & Tracking

InnoSenT GmbH, Germany

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Date:

Thursday, Oct 10, 2019 at 1.30 pm

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Location:

EITC E1-270 (Fort Garry Campus; Engineering Building)

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ABSTRACT:

Radar systems are a key technology of modern vehicle safety & comfort systems. Without doubt it will only be the symbiosis of Radar, Lidar and camera-based sensor systems which can enable advanced autonomous driving functions soon. Several next generation car models are such announced to have up to 10 radar sensors per vehicle, allowing for the generation of a radar-based 360° surround view necessary for advanced driver assistance as well as semi-autonomous operation. Hence the demand from the automotive industry for high-precision, multi-functional radar systems is higher than ever before, and the increased requirements on functionality and sensor capabilities lead to research and development activities in the field of automotive radar systems in both industry and academic worlds.

 

Current automotive radar technology is almost exclusively based on the principle of frequency-modulated continuous-wave (FMCW) radar, which has been well known for several decades. However, together with an increase of hardware capabilities such as higher carrier frequencies, modulation bandwidths and ramp slopes, as well as a scaling up of simultaneously utilized transmit and receive channels with independent modulation features, new degrees of freedom have been added to traditional FMCW radar system design and signal processing. The anticipated presentation will accordingly introduce the topic with a review on the fundamentals of radar and FMCW radar. After introducing the system architecture of traditional and modern automotive FMCW radar sensors, with e.g. insights into the concepts of distributed or centralized processing and sensor data fusion, the presentation will dive into the details of fast-chirp FMCW processing – the modulation mode which is used by the vast majority of current automotive FMCW radar systems. Starting with the fundamentals of target range and velocity estimation based on the radar data matrix, the spatial dimension available using modern single-input multiple-output (SIMO) and multiple-input multiple-output (MIMO) radar systems will be introduced and radar processing based on the radar data cube is discussed. Of interest is the topic of angular resolution – one of the key drawbacks which e.g. render Lidar systems superior to radar in some situations. Consequently, traditional and modern methods for direction of arrival estimation in FMCW radar systems are presented, starting from traditional monopulse-like algorithms to modern frameworks for superresolution DoA estimation. The presentation will then introduce the great challenge of FMCW radar system interference. While FMCW radar interference is a challenge which can be handled using adaptive signal processing in today’s systems, it will become a severe problem with the increasing number of radar-sensors equipped vehicles in dense traffic situations in the near future and a solution to the expected increase in interference is still an open question.

 

It is this problem of interference, together with some added functionality, which motivated the proposal of alternative radar waveforms such as pseudo-random or orthogonal-frequency division multiplexing (OFDM) radar for automotive radar systems. Although not yet of great interest from an industrial perspective, the fundamentals and capabilities of both technologies will be introduced in the remainder of the anticipated presentation.

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BIO:

Markus Gardill was born in Bamberg, Germany in 1985. He received the Dipl.-Ing. and Dr.-Ing. degree in systems of information and multimedia technology/electrical engineering from the Friedrich-Alexander-University Erlangen-Nürnberg, Germany, in 2010 and 2015, respectively. In 2010, he joined the Institute for Electronics Engineering at the Friedrich-Alexander-University Erlangen-Nürnberg as a research assistant and teaching fellow. From 2014 to 2015 he was head of the team Radio Communication Technology. In late 2015 he joined the Robert Bosch GmbH as an R&D engineer for optical and imaging metrology systems and leading the cluster of non-destructive testing for the international production network. In 2016 he joined the automotive radar business segment of InnoSenT GmbH, where he is currently head of the group radar signal processing & tracking. His main research interest include radar and communication systems, antenna (array) design, and signal processing algorithms. His particular interest is spatio-temporal processing such as e.g. beamforming and direction-of-arrival estimation with a focus on combining the worlds of signal processing and microwave/electromagnetics. Dr. Gardill is an IEEE Young Professional. He is member of the IEEE Microwave Theory and Techniques Society (IEEE MTT-S) and currently serves as co-chair of the IEEE MTT-S Technical Committee Digital Signal Processing (MTT-9). He regularly acts as reviewer and TPRC member for several journals and conferences, will act as associate editor of the Transactions on Microwave Theory and Techniques beginning with 2020 and serves as Distinguished Microwave Lecturer (DML) for the DML term 2018-2020 with a presentation focussing automotive radar systems.

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IEEE Waves Chapter Seminar – Dec. 11, 2018

Friday, November 9th, 2018

IEEE Winnipeg Waves Chapter (APS/MTTS/VTS) is pleased to present the following seminar:

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Seminar Title: 

Progress on Electromagnetic and Acoustic Wavefield Imaging for Biomedical and Agricultural Applications

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Speaker:

Prof. Joe LoVetri

Professor and Head

Department of Electrical and Computer Engineering

University of Manitoba, Winnipeg, MB, Canada

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Date:

Tuesday, December 11, 2018 at 11.30 am

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Location

EITC E2-330 (Fort Garry Campus; Engineering Building)

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ABSTRACT:

In this presentation, I will give an overview of the progress that has been made during the past decade in the area of electromagnetic and acoustic wavefield imaging by researchers in the Electromagnetic Imaging Laboratory (EIL) in the Department of Electrical and Computer Engineering at the University of Manitoba. The talk, as well as the research area, divides naturally into a discussion of inverse problems, inversion algorithms, experimental systems, and imaging applications. In the area of inverse problems I will overview the various electromagnetic and ultrasonic mathematical formulations available and discuss the general issue of their ill-posedness. I will then discuss some of the algorithms the EIL has been working on for the solution of these problems. This includes the concept of multimodal microwave/ultrasonic (MW/US) imaging: the choices available on the fusion of quantitative and qualitative algorithms. I will then turn to the experimental systems we’ve built to verify our research and the progress being made on the commercialization of a system for the imaging of stored grain. I will discuss the use of multimodal MW/US imaging for breast imaging and the plans we have on developing systems for this application.

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BIO:

Joe LoVetri received the Ph.D. degree in electrical engineering from the University of Ottawa in 1991. He has worked in industry as an EMI/EMC engineer, a TEMPEST Engineer at the Communications Security Establishment, and a Research Officer at the National Research Council of Canada. His academic career began in 1991 when he joined the Department of Electrical and Computer Engineering at The University of Western Ontario where he remained until 1999. In 1997/98 he spent a sabbatical year at the TNO Physics and Electronics Laboratory in The Netherlands doing research in time-domain computational methods and ground penetrating RADAR. In 1999 he joined the University of Manitoba where he is currently Professor and Head of the Department of Electrical and Computer Engineering. From 2004 to 2009 he was the Associate Dean (Research and Graduate Programs) for the Faculty of Engineering. He is the Director of the Electromagnetic Imaging Laboratory (EIL) in the Department, where his current research interests lie in the areas of inverse problems for electromagnetic and acoustic wavefield problems as applied to biomedical, agricultural, and industrial imaging.

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IEEE Waves Chapter Seminar – September 27, 2018

Wednesday, September 26th, 2018

IEEE Winnipeg Waves Chapter (APS/MTTS/VTS) is pleased to present the following seminar:

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Seminar Title:

Surface Electromagnetics: Physics Exploration and Engineering Applications

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Speaker:

Prof. Fan Yang

IEEE Distinguished Lecturer-IEEE Antennas and Propagation Society

Professor and Director, Microwave and Antenna Institute

Electronic Engineering Department

Tsinghua University, Beijing, China

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Date:

Thursday, Sep 27th, 2018 at 11.30 am

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Location: 

EITC E2-528 (WestGrid Access Grid Room; Fort Garry Campus; Engineering Building)

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Abstract of the Presentation:

From frequency selective surfaces (FSS) to electromagnetic band-gap (EBG) ground planes, from impedance boundaries to Huygens metasurfaces, novel electromagnetic surfaces have been emerging in both microwaves and optics. Many intriguing phenomena occur on these surfaces, and novel devices and applications have been proposed accordingly, which have created an exciting paradigm in electromagnetics, so called “surface electromagnetics”. This seminar will review the development of electromagnetic surfaces, as well as the state-of-the art concepts and designs. Detailed presentations will be provided on their unique electromagnetic features. Furthermore, a wealth of practical examples will be presented to illustrate promising applications of the surface electromagnetics in microwaves and optics.

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Biography of the Speaker:

Fan Yang received the B.S. and M.S. degrees from Tsinghua University, and the Ph.D. degree from University of California at Los Angeles. Currently, he is a Professor at Tsinghua University and serves as the Director of the Microwave and Antenna Institute. Dr. Yang’s research interests include antennas, surface electromagnetics, computational electromagnetics, and applied electromagnetic systems. He has published five books, six book chapters, and over 300 journal articles and conference papers. Dr. Yang served as an Associate Editor for IEEE Trans. Antennas Propagation, Associate Editor-in-Chief for Applied Computational Electromagnetics Society (ACES) Journal, and TPC chair of 2014 IEEE AP-S International Symposium. He was elected to ACES Fellow in 2018. He is an IEEE APS Distinguished Lecturer for 2018-2020

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For more information, please contact Dr. Puyan Mojabi

IEEE Waves Chapter Seminar – June 8, 2018

Friday, April 27th, 2018

IEEE Winnipeg Waves Chapter (APS/MTTS/VTS) is pleased to present the following seminar

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Seminar Title: Current Research and Development of Wireless Power Transfer via Radio Waves and the Application

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Speaker: Prof. Naoki Shinohara

Distinguihsed Microwave Lecturer-IEEE Microwave Theory and Techniques Society

Professor, Kyoto University, Kyoto, Japan

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Date: Friday, June 8th, 2018 at 11am

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Location:  EITC E1-270 (Fort Garry Campus; Engineering Building)

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Abstract of the Presentation: Theory, technologies, applications, and current R&D status of the wireless power transfer (WPT) will be presented. The talk will cover both the far-field WPT via radio waves, especially beam-type and ubiquitous-type WPT, and energy harvesting from broadcasting waves. The research of the WPT was started from the far-field WPT via radio waves, in particular the microwaves in 1960s. In recent years this became a hot topic again due to the rapid growth of wireless devices. Theory and technologies of antenna and circuits will be presented in case of beam-type and ubiquitous-type WPT. The industrial applications and current R&D status of the WPT via radio waves will be also presented.

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Biography of the Speaker: Naoki Shinohara received the B.E. degree in electronic engineering, the M.E. and Ph.D (Eng.) degrees in electrical engineering from Kyoto University, Japan, in 1991, 1993 and 1996, respectively. He was a research associate in the Radio Atmospheric Science Center, Kyoto University from 1996. He was a research associate of the Radio Science Center for Space and Atmosphere, Kyoto University by recognizing the Radio Atmospheric Science Center from 2000, and there he was an associate professor since 2001. he was an associate professor in Research Institute for Sustainable Humanosphere, Kyoto University by recognizing the Radio Science Center for Space and Atmosphere since 2004. From 2010, he has been a professor in Research Institute for Sustainable Humanosphere, Kyoto University. He has been engaged in research on Solar Power Station/Satellite and Microwave Power Transmission system. He is IEEE MTT-S Technical Committee 26 (Wireless Power Transfer and Conversion) vice chair, IEEE MTT-S Kansai Chapter TPC member, IEEE Wireless Power Transfer Conference advisory committee member, URSI Commission D vice chair, international journal of Wireless Power Transfer (Cambridge Press) executive editor, technical committee member and 1st chair of IEICE Wireless Power Transfer, Japan Society of Electromagnetic Wave Energy Applications president, Space Solar Power Systems Society board member, Wireless Power Transfer Consortium for Practical Applications (WiPoT) chair, and Wireless Power Management Consortium (WPMc) chair. 

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For more information, please contact Dr. Puyan Mojabi