@inproceedings{Seliger2022, author = {Seliger, Norbert}, title = {Self-Oscillating Capacitive Power Transfer with Multiple Receiver Capability and Coupling Path Adaption}, series = {Proceedings 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe)}, booktitle = {Proceedings 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe)}, publisher = {EPE}, organization = {Labor f{\"u}r Leistungselektronik und EMV, TH Rosenheim}, pages = {6}, year = {2022}, language = {en} } @article{HummelObermeierZieretal.2022, author = {Hummel, Sabine and Obermeier, Katharina and Zier, Katja and Krommes, Sandra and Schemme, Michael and Karlinger, Peter}, title = {Analysis of Mechanical Properties Related to Fiber Length of Closed-Loop-Recycled Offcuts of a Thermoplastic Fiber Composites (Organo Sheets)}, series = {Materials}, volume = {15}, journal = {Materials}, number = {11}, pages = {3872}, year = {2022}, abstract = {Increasing demand for energy-efficient means of transport has steadily intensified the trend towards lightweight components. Thermoplastic glass fiber composites (organo sheets) play a major role in the production of functional automotive components. Organo sheets are cut, shaped and functionalized by injection molding to produce hybrid components, such as those used in car door modules. The cutting process produces a considerable amount of production waste, which has thus far been thermally recycled. This study develops a closed mechanical recycling process and analyzes the different steps of the process. The offcuts were shredded using two shredding methods and implemented directly in the injection-molding process. Using tensile tests and impact bending tests, the material properties of the recycled materials were compared with the virgin material. In addition, fiber length degradation via the injection-molding process and the influence of the waterjet-cutting process on the mechanical properties are investigated. Recycled offcuts are both comparable to new material in terms of mechanical properties and usability, and are also economically and ecologically advantageous. Recycling polypropylene waste with glass fiber reinforcement in a closed loop is an effective way to reduce industrial waste in a sustainable and economical production process.}, language = {en} } @inproceedings{SeligerDechantKennel2022, author = {Seliger, Norbert and Dechant, Eduard and Kennel, Ralph}, title = {EMI mitigation by substrate integrated common mode filter}, series = {Proceedings of 12th International Conference on Integrated Power Electronics Systems (CIPS 2022)}, booktitle = {Proceedings of 12th International Conference on Integrated Power Electronics Systems (CIPS 2022)}, publisher = {VDE}, address = {Berlin (Germany)}, organization = {Labor f{\"u}r Leistungselektronik und EMV, TH Rosenheim}, year = {2022}, language = {en} } @inproceedings{DechantSeligerKennel2022, author = {Dechant, Eduard and Seliger, Norbert and Kennel, Ralph}, title = {Common Mode DGS EMI Filter Integrated into a GaN Half Bridge Switching Cell}, series = {Procceedings International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 2022)}, booktitle = {Procceedings International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 2022)}, publisher = {Mesago}, organization = {Labor f{\"u}r Leistungselektronik und EMV, TH Rosenheim}, pages = {6}, year = {2022}, language = {en} } @inproceedings{SeligerFaltlhauser2022, author = {Seliger, Norbert and Faltlhauser, Georg}, title = {Active Expansion Sampling of Magnetic Near-Fields in Unbounded Regions}, series = {Proceedings 26th IEEE Workshop on Signal and Power Integrity (IEEE SPI-2022)}, booktitle = {Proceedings 26th IEEE Workshop on Signal and Power Integrity (IEEE SPI-2022)}, publisher = {IEEE}, organization = {Labor f{\"u}r Leistungselektronik und EMV, TH Rosenheim}, pages = {4}, year = {2022}, language = {en} } @inproceedings{Seliger2023, author = {Seliger, Norbert}, title = {A Differential Relaxation Half-Bridge Oscillator for Inductive Power Transfer}, series = {Proceedings PCIM Europe 2023}, booktitle = {Proceedings PCIM Europe 2023}, publisher = {Mesago GmbH}, address = {N{\"u}rnberg}, pages = {7}, year = {2023}, abstract = {We present inductive power transfer (IPT) with a half-bridge converter based on differential relaxation self-oscillation. The oscillation dynamics of the converter automatically adapts to variation in the inductive coupling link and changes in the load, respectively. Design equations based on theoretical circuit analysis reveals a high power transfer efficiency (>90\%) for alteration of coupling distance in the strong coupling regime. A prototype system employing GaN-HEMTs confirms the theoretically predicted characteristics of the proposed circuit.}, language = {en} } @inproceedings{Seliger2024, author = {Seliger, Norbert}, title = {Reconfigurable Polygonal Planar Inductor with Bistable Snapping Mechanism}, series = {2024 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), Vilnius, Lithuania}, booktitle = {2024 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), Vilnius, Lithuania}, isbn = {979-8-3503-5241-2}, issn = {2690-8506}, doi = {10.1109/eStream61684.2024.10542595}, pages = {1 -- 6}, year = {2024}, abstract = {A mechanically tunable planar single-turn inductor in air is proposed. The bistable flexible deflection of axially compressed wire segments is used for variation of the loop area of regular polygonal loop inductors. We present analytical expressions for the loop inductance and confirm the theoretical findings by magneto-quasi-static field simulation on exemplary polygonal circuits.}, language = {en} } @inproceedings{FischerMichalkBogenberger2025, author = {Fischer, Markus and Michalk, Wibke and Bogenberger, Klaus}, title = {CDRpy: Data-Driven Decision Support for the Roll-out of public Charging Infrastructure in urban Areas}, series = {Transportation Research Board Annual Meeting}, booktitle = {Transportation Research Board Annual Meeting}, editor = {Transportation Research Board,}, pages = {21}, year = {2025}, abstract = {In this study, the data-driven simulation framework CDRpy is presented, validated and applied using the example of the city of Munich to support decision-makers in the rollout of public charging infrastructure in urban areas. The innovation of the study lies in the fact that CDRpy can be used to evaluate different concepts for public charging infrastructure at a detailed level. The Demand is mapped based on real charging events for different types of electric vehicles and pricing models, and the evaluations can be broken down to the level of individual charging stations. The developed framework was validated using charge detail records from the largest operator of public charging infrastructure in Munich for the years 2020, 2021 and 2022 based on various criteria. In a further case study, the additional demand for public charging infrastructure in the city was estimated for the year 2030. The results indicate that mixed and timebased pricing models could reduce the required number of public charging points from 7,055 to 6,374 by around 10\% compared to energy-based pricing models. Determining the expansion requirements for each sub-district shows that the additional demand for public charging infrastructure varies greatly across the city. Since both technological and economic perspectives are considered, the study is relevant for all decisionmakers involved in the planning, operation and scaling of public charging infrastructure.}, language = {en} } @misc{KimmerleDvorskyLiess2025, author = {Kimmerle, Sven-Joachim and Dvorsky, Karl and Liess, Hans-Dieter}, title = {Failure Rates from Data of Field Returns}, series = {MATHMOD Short Contribution Volume 2025}, journal = {MATHMOD Short Contribution Volume 2025}, publisher = {reposiTUm, TU Wien}, address = {Wien}, doi = {10.34726/9011}, pages = {23 -- 24}, year = {2025}, abstract = {To determine failure rates is a challenge, if there are only a few failures and typical failure rates are low. As an application example we are interested in failure rates of electrical automotive components for automated/autonomous driving. As method we focus here on the exploitation of field data. Our contribution classifies different approaches from statistics and shows how this can be applied to real-world production figures as available in industry.}, subject = {Mathematische Modellierung}, language = {en} } @inproceedings{ZenzMuscatStruebbe2023, author = {Zenz, Vitus and Muscat, Dirk and Str{\"u}bbe, Nicole}, title = {Development of a new granulate feeding system for gas pressurized extrusion processes}, series = {ANTEC 2023}, booktitle = {ANTEC 2023}, publisher = {SPE ANTEC}, year = {2023}, abstract = {One major problem of a continuous process like plastic extrusion is their incapability to deal with non-local gas pressure. This is an inherent problem because a continuous process has an open end in the feeding port where pressure can escape. In this study a novel feeding system was developed to enable granulate feeding into gas pressurized processes inside a single- or twin-screw extruder. With this apparatus gas pressure can be applied inside the extrusion process. The apparatus separates the pressurized extruder from the dosing equipment that feeds the extruder. It keeps the pressure inside the system while continuously feeding new material into the process. A small-scale prototype was designed for proof-of concept. The small size of the prototype was able to handle small amounts of granulates of around 100 - 200 g/h. An applied gas pressure of 8 bar was achieved. In future optimizations, throughput can be increased and maximum applied gas pressure towards 15-20 bar.}, language = {en} }