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IES Webinar Series

Fast and Precise Motion Control for Industrial Positioning Devices with Strain Wave Gearing

Friday, 19 February 2021 10:00 PM JST (8:00 AM EST, 2:00 PM CET) by Makoto Iwasaki (Nagoya Institute of Technology, JAPAN) Register now using the link below: Abstract: The webinar talk presents a practical motion controller design technique for precision positioning devices including strain wave gearing, e.g. industrial multi-axis robots, precision rotation stages, etc. Since HarmonicDrive® gears (HDGs), a typical strain wave gearing, inherently possess nonlinear properties known as Angular Transmission Errors (ATEs) due to structural errors and flexibility in the mechanisms, the ideal positioning accuracy corresponding to the apparent resolution cannot be essentially attained at the output of gearing in the devices. In addition, mechanisms with HDGs generally excite resonant vibrations due to the periodical disturbance by ATEs, especially in the condition that the frequency of synchronous components of ATE corresponds to the critical mechanical resonant frequency. The seminar, therefore, focuses on the accurate settling and vibration suppression in positioning, in order to improve the performance deteriorations by applying model-based feedforward and feedback control approaches. In the compensator design, under the assumption that the accurate mathematical models for ATE can be obtained, a model-based feedforward compensation has been introduced to improve the settling performance in the load position, ...
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Improving Academic Writing Skills for IEEE Transactions

Tuesday, 16 February 2021 9:00 PM CST (8:00 AM EST, 2:00 PM CET) by Wen Cao (Aston University, IE-13 Chair, UK) Register now using the link below: Abstract: This webinar is targeted junior and early-career researchers who are new to the IEEE Transaction publications. It will deal with the publication process for the IEEE Transactions with a focus on the field of electrical power engineering. The speaker will share his experience of academic writing as an author, reviewer and editor, as well as his personal views on how to prepare for good quality research and innovations, and then high-quality manuscripts for IEEE Transactions. It will be followed by a Q&A session. You are free to bring your papers and discuss anything specific with the publications in IEEE Transactions. Presenter’s bio: Professor Wen Cao (FIET, SMIEEE) received the B.Eng. in electrical engineering from Beijing Jiaotong University, Beijing, China, in 1991, and the Ph.D. degree in electrical machines and drives from the University of Nottingham, Nottingham, in 2004. Prof. Cao is currently the Chair Professor of Electrical Power Engineering with Aston University and also a distinguished professor at Anhui University, China. He is the Chairman for the Industrial Electronics Society, IEEE ...
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IEEE 61158-2017 – Standard for Hard Real Time Communication

Friday, 18 December 2020 2:00 PM CET (8:00 AM EST) by Dietmar Bruckner (B&R Industrial Automation, AUSTRIA) Register now using the link below: Abstract: Ethernet POWERLINK is a communication profile for Real-Time Ethernet (RTE). It extends Ethernet according to the IEEE 802.3 standard with mechanisms to transfer data with predictable timing and precise synchronization. The communication profile meets timing demands typical for high performance automation and motion applications. It does not change basic principles of the Fast Ethernet Standard IEEE 802.3 but extends it towards RTE. Thus it is possible to leverage and continue to use any standard Ethernet silicon, infrastructure component or test and measurement equipment like a network analyzer. Presenter's bio: Dietmar Bruckner is with B&R Industrial Automation since 2013, where he is responsible for the development of Connectivity solutions. Additionally, he is a system architect for hard real-time, industrial Ethernet-based communication systems. Before, he worked for 10 years at the Institute of Computer Technology of the Vienna University of Technology. He published 70+ reviewed publications including 5 patents ...
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Current Control Techniques for Fault-tolerant Polyphase Induction Drives

Friday, 18 December 2020 11:00 AM CET (6:00 PM GMT+8) by Hang Seng Che & Mahdi Tousizadeh (UM Power Energy Dedicated Advanced Centre (UMPEDAC), University of Malaya, MALAYSIA) Register now using the link below: Abstract: The concept of fault-tolerance for electrical drives has been extensively explored from different angles, aiming to enhance the overall reliability of polyphase adjustable drives. Despite having different control perspectives, the goal has usually been pursued along the same path, which is to maintain a circular trajectory of air-gap flux in presence of open phase fault. Nevertheless, the structure, operating principles and underlying assumptions will manifest, to a large extent, into different challenges that will affect capability of the fault-tolerant controllers. In this webinar, an overview on the underlying principles of fault tolerant control for three-phase and multiphase machines is given. A couple of different fault-tolerant controllers applied on three- and six-phase drives will be presented to elucidate the various considerations required for fault tolerant drive using different current control techniques. Presenters' bio: Hang Seng Che received the B.Eng. degree in electrical engineering from the University of Malaya, Kuala Lumpur, Malaysia, in 2009. He then obtained the Ph.D. degree in electrical engineering under the auspices ...
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A Holistic Approach to Battery Modeling and State Estimation

Joint Webinar with IEEE Transportation Electrification Community Wednesday, 9 December 2020 2:00 PM CET (8:00 AM EST) by Bharat Balagopal & Mo-Yuen Chow (North Carolina State University, USA) Register now using the link below: Abstract: Lithium Ion Batteries play an important role in many sectors, for examples: an energy reservoir in a microgrid facility that has high penetration of renewable energy resources, a primary energy source in electric vehicles (EVs), etc. However, the rate of adoption of these batteries are a lot slower than expected because of the uncertainties introduced in term of the State of Charge (SOC), State of Health (SOH) and Remaining Useful Life (RUL) estimation. This webinar will address the issues associated with current battery monitoring systems, their pros and cons and provide insights into new technology that has been developed to not only model but also provide live status updates regarding the battery’s SOC, SOH and RUL when the battery is in use. The speakers will also introduce a relatively new concept called the State of Function (SOF) of the battery and define the relationship between the SOC, SOH, RUL and SOF of the battery. The webinar will cover two major tools, (1) the First ...
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Machine Vision Transparency

Thursday, 24 September 2020 4:00 PM CET (10:00 AM ET) by Joanna Isabelle Olszewska (University of the West of Scotland, UK) Register now using the link below: Abstract: Machine vision systems become pervasive in our Society, from industrial to human-centered applications. Therefore, such intelligent vision systems, which automatically process visual inputs such as raw still images, live video feeds, etc., must be both efficient and ethical. In this talk, developed solutions and algorithms based on explainable artificial intelligence and transparent computer vision approaches are presented. Presenter's bio: Joanna Isabelle Olszewska BSc(Hons) MSc(EPFL) PhD(UCL) CEng CSci FBCS FHEA is a British Computer Scientist. She is an Assistant Professor (Lecturer) with UWS, UK, and leads research in Algorithms and Softwares for Intelligent Vision Systems. She is a member of the IEEE Global Initiative for Ethical Considerations in Artificial Intelligence and Autonomous Systems. She has been invited to be Panel Speaker at the University of Edinburgh Union Debate on 'The Future of AI'. She is ACM Distinguished Speaker and has given talks, e.g. at the University of Cambridge, at conferences such as ICRA, and at events such as EPSRC/BMVA Technical Days and DDD Scotland, as well as interviews, e.g. for the BBC ...
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Topologies, Modeling and Design of Megahertz Wireless Power Transfer Systems

Tuesday, 15 September 2020 4:00 PM CET (10:00 AM ET) by Chengbin Ma (Shanghai Jiao Tong University, CHINA) Register now using the link below: Abstract: Wireless charging or wireless power transfer (WPT) provides a convenient and viable solution without the need for major breakthrough in today's battery technology, especially in terms of energy density. At present, WPT operating at a high frequency, such as 6.78 MHz, is widely regarded as a promising candidate technology for the mid-range transfer of a medium amount of power. Physically, a higher operating frequency improves the spatial freedom of power transfer and also makes it possible to develop a more compact and lighter WPT system. At the same time, due to the high-frequency operation, circuit-level complexity and multiple objectives in the actual MHz WPT systems, system-level analysis and design are particularly important for achieving high performance (e.g., high efficiency, low noise, and robustness) of a final system. In this webinar, the main power conversion topologies are first reviewed and compared; then, taking the Class E^2 topology as an example, a systematic methodology is explained to model and design a complete MHz WPT system; finally, the methodology is further extended to multiple-receiver MHz WPT systems, ...
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