EMC Professional Talk: EMC Challenges in Magnetic Resonance Imaging PD Dr. Ali Özen Division of Medical Physics, Dept. Radiology, University Medical Center Freiburg, Germany 11.02.2025, 4:00 p.m. (UTC+1) For further information, pleas see event page: EMC Professional Talk: EMC Challenges in Magnetic Resonance Imaging
EMC Professional Talk: EMC on HV system level for electric vehicles DI Dr. techn. Guido Rasek Valeo eAutomotive, Erlangen, Germany 19.11.2024, 4:00 p.m. (UTC+1) Abstract: Noise currents in high-voltage power trains of electric vehicles place significant strain on the EMC filters used to mitigate conducted and radiated emissions. Filtering targets for high levels emissions must be achieved. The power dissipation caused by the resistive properties of the filter components is a key factor in determining the temperature behavior and lifetime of the filter. A validated numerical EMC model of an electric vehicle power train can be used to complete investigations. Principle outlines of the activities to achieve postulated goals are presented. For further information, pleas see event page: EMC Professional Talk: EMC on HV system level for electric vehicles
EMC Professional Talk: PIML-Driven EMI/EMC Simulations Prof. Mohamed Kheir University of Southern Denmark, Sønderborg, Denmark Abstract: Electromagnetic Interference and Compatibility (EMI/EMC) are crucial aspects of electrical and electronic devices. There are many standards that strictly regulate the emission levels allowed from any electrical device. EMI simulation tools play an essential role during product design by investigating any unintentional emissions before compliance testing. However, these tools suffer from several problems that make them complicated and not environmentally friendly. For instance: 1) long simulation time, 2) computational complexity, and 3) high energy consumption. All these issues make EMI simulations non-green and costly. One potential solution to these problems is utilizing Machine Learning (ML) as a green alternative to traditional simulations. The fusion of Physics-Informed Machine Learning (PIML) with conventional ML techniques has emerged as a transformative force, seamlessly integrating domain-specific physics with ML. For example, in an EMC setting, it can encode Maxwell’s equations and fundamental principles, bridging theory and data. This proposed approach can reduce dependence on computationally expensive simulations and accelerate EMI modeling without the need for structure discretization as in traditional numerical simulations. For further information, pleas see event page: EMC Professional Talk-PIML-Driven EMI/EMC Simulations
EMC Professional Talk: Broadband Active EMI Cancellation with Adaptive Filters using Delay-Compensated Gate Control Signals M. Sc. Jens Aigner Arbeitsgebiet Bordsysteme (On-board Systems Lab), TU Dortmund, Germany 23.07.2024, 5:00 p.m. (UTC+2) Event Details
About the talk: Antennas are wave mode changers, that are classically described by a set of antenna parameters such as input impedance, gain, directivity, antenna factor and radiation diagram. Due to progressing complexity and integration of transmission systems, the exact knowledge of these parameters is getting more and more important. For the measurement of quantities conforming to standards, different measurement setups in absorber chambers and on open-area test sites exist. With progressing computational capabilities, computationally intensive methods based on near-field-to-far-field transformation gain importance. Flying measurement platforms based on autarkic multi-copters are used for the characterization of large stationary antenna systems. The talk shows some new developments. About the speaker: Thomas Kleine-Ostmann was born in Lemgo, Germany, in 1975. He received the M.Sc. degree in Electrical Engineering from the Virginia Polytechnic Institute and State University, Blacksburg, VA, USA, in 1999, the Dipl.-Ing. degree in Radio Frequency Engineering from Technische Universität (TU) Braunschweig, Germany, in 2001, and the Dr.-Ing. degree from TU Braunschweig, Germany, in 2005. Since 2006, he has been with the Electromagnetic Fields Group, PTB, Braunschweig, working as a permanent scientist.Currently, he is working on realization and transfer of the electromagnetic field strength, electromagnetic compatibility, antenna measuring techniques and THz metrology. In 2007, he became head of the Electromagnetic Fields Group, in 2012, of the Electromagnetic Fields and Antenna Measuring Techniques Group, and in 2020, of the Department High Frequency and Electromagnetic Fields. Dr. Kleine-Ostmann is a lecturer at TU Braunschweig since 2007. After his habilitation in the field of radio frequency engineering he was appointed Privatdozent becoming an external faculty member in 2014. He is giving lectures on Microwave and WirelessMetrology. Dr. Kleine-Ostmann is a member of the VDE and the URSI. He received the Kaiser-Friedrich Research Award in 2003 for his work on a continuous-wave THz imaging system. For further information and zoom meeting access, please click here
