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IES Webinar Series

Impact of High Frequency Switching on Magnetics

Thursday 21 October 2021 at 3:00 PM CET (9:00 AM EST) By Davide Barater (University of Modena and Reggio Emilia, Italy) Register now using the link below: Abstract: The fast-switching speed, higher switching frequency of wide-bandgap (SiC, GaN) power devices have provided the opportunities in achieving high-density, higher-efficiency, higher-frequency and highly integrated power electronics. The energy sector is one of the main areas which can take advantage from these devices to achieve more effective solutions to source, manage and dispatch the energy produced from renewables sources. Efficient and reliable power electronics is expected to change radically the structure of the future energy distribution grid, passing from a centralized structure, with big energy plants delivering electricity to industrial sites and residential compounds at kilometres of distance, to a distributed structure, where the energy is produced from low, medium capacity renewable sources and consumed mainly locally. Nevertheless, the high switching speed of wide-bandgap devices produces also some drawbacks due to inherently sharp voltage (dv/dt) and current (di/dt) gradients. In turn, this could result in an excessive electric stress on the insulation system of wounded magnetic components (electrical machines, high frequency transformers, etc), along with electro-magnetic interference, thus reducing the overall reliability ...
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Research into Collaborative Robotic Disassembly for Smart Remanufacturing

Wednesday 20 October 2021 at 1:00PM BST (2:00 PM CET, 8:00 AM EST) By Duc Truong Pham (University of Birmingham, United Kingdom) Register now using the link below: Abstract: Product disassembly is usually the first step in remanufacturing, a process where used products are returned to a good-as-new condition with a guarantee at least equal to that for the original product.  How disassembly is undertaken can affect the efficiency and capability of remanufacturing.  As it is complex, disassembly tends to be manually performed and is labour intensive.  Efforts have been spent on introducing collaborative robots or cobots in disassembly to make remanufacturing ‘smarter’.  Like other applications of Industry 4.0 automation technologies, this should lead to increased productivity, reduced failure rate, more resource-efficient operations and improved product quality and working environment. This presentation will cover research carried out as part of the 5-year Autonomous Remanufacturing (AutoReman) research programme funded by the UK Engineering and Physical Sciences Research Council at the University of Birmingham.  The aim of the work, which investigates disassembly science and devises intelligent disassembly strategies and plans and develops human-robot collaborative disassembly techniques, is to allow disassembly to be reliably performed either with minimal human intervention or ...
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Yang Shi

An Integrated Robust Model Predictive Control Framework for Cyber-Physical Systems

Tuesday, 19 August 2021 at 7:00 AM PDT (10:00 AM EST - 4:00 PM CET) By Yang Shi (University of Victoria, Canada) Register now using the link below: Abstract: Cyber-physical systems (CPS) can be described as smart systems that encompass computational (i.e., hardware and software) and physical components, seamlessly integrated and closely interacting to sense the changing state of the real world. These systems involve a high degree of complexity at numerous spatial and temporal scales and highly networked communications integrating computational and physical components. The research of CPS is the driving force for Industrial 4.0. Model predictive control (MPC) is the promising paradigm for high-performance and cost-effective control of complex CPS. This talk will firstly summarize the major industrial requirements and challenges to innovate in designing, implementing, deploying and operating CPS. Further, an integrated robust MPC framework and the cloud-based MPC will be presented. Finally, some application examples will be discussed. Presenter's bio: Yang SHI received his B.Sc. and Ph.D. degrees in mechanical engineering and automatic control from Northwestern Polytechnical University, Xi’an, China, in 1994 and 1998, respectively, and the Ph.D. degree in electrical and computer engineering from the University of Alberta, Edmonton, AB, Canada, in 2005 ...
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Case Studies on Control and Informatics for Smart Energy Systems

Tuesday 24 August 2021 at 3:00PM BST (4:00 PM CET, 10:00 AM EST) By Michael Short (Teesside University, UK) Register now using the link below: Abstract Decarbonisation, digitalisation and decentralisation are transforming energy systems across the globe and supporting the transition to a sustainable future. Within this context, smart grids are electrical grids that include a variety of interoperable communication and control devices to optimally (or near-optimally) facilitate the production and distribution of electricity. Smart grids allow for better integration and management of volatile renewable energy sources, flexible transmission resources, energy storage devices, electric vehicles, Microgrids and controllable loads; they are seen as key enablers in the decarbonisation of both the industry and society. This talk will outline innovative and disruptive services for energy conversion, management and control developed over the course of a decade and involving several funded research and innovation projects, including the IDEAS, DR-BoB, InteGridy and REACT EU-projects. The talk will first focus upon describing the types of real-time asset control and optimization problems which can arise on both energy supply and demand sides, and associated informatics and distributed control issues related to asset dispersion over wide areas. It will then progress to describing ...
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Recent Research Trends in Engineering and Validating Cyber-Physical Energy Systems

Tuesday, 29 June 2021 2:00 PM CET (8:00 AM EST) By Thomas I. Strasser (AIT Austrian Institute of Technology and TU Wien, Vienna, Austria) and Filip Pröstl Andrén (AIT Austrian Institute of Technology, Vienna, Austria) Register now using the link below: Abstract: A driving force for the realization of a sustainable energy supply is the integration of renewable energy resources. Due to their stochastic generation behaviour, energy utilities are confronted with a more complex operation of the underlying power grids. Additionally, due to technology developments, controllable loads, integration with other energy sources, changing regulatory rules, and the market liberalization, the system’s operation needs adaptation. Proper operational concepts and intelligent automation provide the basis to turn the existing power system into an intelligent entity, a cyber-physical energy system. The electric energy system is therefore moving from a single system to a system of systems. While reaping the benefits with new intelligent behaviours, it is expected that system-level developments, architectural concepts, advanced automation and control as well as the validation and testing will play a significantly larger role in realizing future solutions and technologies. The implementation and deployment of these complex systems of systems are associated with increasing engineering complexity resulting ...
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Massimiliano Pirani photo

Towards explainable AI: Ethics and social responsibility in human-machine symbiosis

Tuesday, 15 June 2021 2:00 PM CET (8:00 AM EST) by Professor Massimiliano Pirani (Marche Polytechnic University, Ancona, Italy) Register now using the link below: Abstract: The IEEE Future Directions and Digital Reality community have established the Symbiotic Autonomous Systems vision where digital and physical reality are destined, in next decades, to be merged and indistinguishable. Recently the focus has been also on the coexistence, co-creation, and co-organization of artificial and natural entities in the still not completely explored and understood mid-land of hybrid reality, impacting humankind and society. Some entities are going to assume the role of intermediaries and facilitators for humans to sail safe in digital seas. Evolutions in digital twin theory bring a future for autonomous cognitive digital twin. An ubiquitous entity, silent but always present at the periphery of humans daylife. These entities will materialize themselves in order to advise, interpret, guide, prepare, and support humans towards social responsibility and ethics, while guarding them from the risks brought about by the "big picture". This webinar aims at discussing most promising technologies and architectures for an explainable and extended artificial intelligence that should be at the core of the future digital transformation, in proper control of the abuses and misuses that might generate new forms of societal alienation and ...
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Christoph Hackl

Online loss minimization for electrical machines

Wednesday 21 April 2021 at 2:00 PM CET (8:00 AM EST) by Prof. Christoph Michael Hackl (Munich University of Applied Sciences (MUAS), Germany) Register now using the link below: Abstract: Electrical machines consume more than 50% of the globally generated electricity. Hence, advances in research on the loss minimization of electrical drives (machine+inverter) have been made; in particular for synchronous machines (SMs) with non-negligible saliency and machine nonlinearities. The online computation of the optimal reference currents for the different operation strategies such as Maximum Torque per Current (MTPC), Field Weakening (FW), Maximum Current (MC) and Maximum Torque per Voltage (MTPV) or Maximum Torque per Flux (MTPF), is usually done numerically or analytically imposing simplifying assumptions (e.g. neglecting stator resistance and/or cross-coupling inductance and/or iron losses) on the machine model or the physical constraints (e.g. voltage ellipse). Numerical solutions, in general, increase the computational load on the real-time system. Analytical solutions are more attractive, since they are easier to implement, more accurate, faster to compute and make large look-up tables (LUTs) with more than two or three dimensions obsolete. However, to the best knowledge of the author, a unified theory providing analytical solutions while explicitly considering copper _and_ ...
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Hady Habib

Planning and operation of grids and microgrids with 100% Renewable Energies

Tuesday 20 April 2021 at 2:00 PM EET (2:00 PM CET, 8:00 AM EST) By Dr. Hady Habib (Heliopolis University for Sustainable Development, Egypt) Register now using the link below: Abstract: Renewable energies in many countries are hitting significant levels and there are many promising situations and targets. The world is now generating more than 23% of its electricity from renewable energies and targeting 100% renewable power generation by 2050. There are countries working with 100% renewable energies grids like Iceland and other countries are very near like Norway and Costa Rica with penetration levels 98% and 95% respectively. One of the promising situations which is going to be presented in this webinar lies in Africa, Upper-Egypt region in Egypt is now operating with 100% renewable energy technologies mainly hydro and photovoltaic power stations. The control of voltage and frequency of the 100% sustainable energy grids and microgrids improves the reliability and security of electricity. A modern secondary voltage control application in a 100% renewable energy grid fed mainly by photovoltaics and wind farms is going to be presented. A modern frequency control application in an isolated fully sustainable marine microgrid fed by tidal, offshore wind and ...
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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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