TY - CHAP A1 - Gierling, Markus A1 - Dresen, Christian A1 - Eich, Hans A1 - Mittman, Karin A1 - Schinzel, Sebastian A1 - Haverkamp, Uwe T1 - Analysis and consequences of an imaging process concerning the cyber security of a networked computer tomography scanner T2 - STRAHLENTHERAPIE UND ONKOLOGIE KW - Cyber Security KW - networked computer tomography scanner Y1 - 2018 SP - 185 EP - 186 ER - TY - JOUR A1 - Löchte, Andre A1 - Heming, Daniel A1 - Gebert, Ole A1 - Horsthemke, Ludwig A1 - Glösekötter, Peter T1 - Oxygen consumption of zinc-air batteries and theirperformance at low oxygen concentration levels JF - 2018 16th Biennial Baltic Electronics Conference (BEC) N2 - Already existing primary Zinc-air batteries providea high energy density. Due to new secondary cells, its tech-nology can become an alternative for energy storage. Sincethese applications require a big amount of storable energy, theoxygen consumption has to be taken into account. This articledetermines the oxygen consumption of zinc-air batteries duringdischarging. Furthermore the performance of zinc-air batteries atlow oxygen concentrations is analyzed. Both aspects are validatedby practical experiments. Y1 - 2018 U6 - http://dx.doi.org/10.1109/BEC.2018.8600972 SP - 1 EP - 4 ER - TY - CHAP A1 - Löchte, Andre A1 - Gebert, Ole A1 - Heming, Daniel A1 - Kallis, Klaus A1 - Glösekötter, Peter ED - Springer, Axel T1 - State estimation of zinc air batteries using neural networks T2 - IWANN 2017: Advances in Computational Intelligence N2 - The main task of battery management systems is to keep the working area of the battery in a safe state. Estimation of the state of charge and the state of health is therefore essential. The traditional way uses the voltage level of a battery to determine those values. Modern metal air batteries provide a flat voltage characteristic which necessitates new approaches. One promising technique is the electrochemical impedance spectroscopy, which measures the AC resistance for a set of different frequencies. Previous approaches match the measured impedances with a nonlinear equivalent circuit, which needs a lot of time to solve a nonlinear least-squares problem. This paper combines the electrochemical impedance spectroscopy with neural networks to speed up the state estimation using the example of zinc air batteries. Moreover, these networks are trained with different subsets of the spectra as input data in order to determine the required number of frequencies. Y1 - 2018 U6 - http://dx.doi.org/10.1007/s00521-018-3705-9 SN - 0941-0643 VL - 2018 SP - 1 EP - 9 ER - TY - CHAP A1 - Löchte, Andre A1 - Gebert, Ole A1 - Horsthemke, Ludwig A1 - Heming, Daniel A1 - Glösekötter, Peter T1 - State of Charge Depended Modeling of an Equivalent Circuit of Zinc Air Batteries Using Electrochemical Impedance Spectroscopy T2 - International Conference on Time Series and Forecasting: Proceedings of Papers, 19-21 September 2018, Granada (Spain) N2 - Metal air batteries provide a high energy density as the ca-thodic reaction uses the surrounding air. Different metals can be usedbut zinc is very promising due to its disposability and nontoxic behav-ior. State estimation is quite complicated as the voltage characteristicof the battery is rather flat. Especially estimating the state of chargeis important as a secondary electrolysis process during overcharging canlead to an unsafe state. Another technique for state estimation is theelectrochemical impedance spectroscopy. Therefore, this paper describesthe process of setup and measuring a time series of impedance spectraat known states of charge. Then these spectra are used to derive anequivalent circuit. Finally the development of the circuit’s parameter areanalyzed to extract most important parameters. Y1 - 2018 SN - 978-84-17293-57-4 SP - 625 EP - 636 ER - TY - CHAP A1 - Burke, Bruno A1 - Weßeler, Peter A1 - te Vrugt, Jürgen ED - Pammer-Schindler, Viktoria ED - Pérez-Sanagustín, Mar ED - Drachsler, Hendrik ED - Elferink, Raymond ED - Scheffel, Maren T1 - A Programming Language Independent Platform for Algorithm Learning T2 - Lifelong Technology-Enhanced Learning, 13th European Conference on Technology Enhanced Learning. EC-TEL 2018 N2 - Teaching People to program is a crucial requirement for our society to deal with the complexity of 21st-century challenges. In many teaching systems, the student is required to use a particular programming language or development environment. This paper presents an intelligent tutoring system to support blended learning scenarios, where the students can choose their programming language and development environment. For that, the system provides an interface where the students request test data and submit results to unit test their algorithms. The submitted results are analyzed by a machine learning system that detects common errors and provides adaptive feedback to the student. With this system, we are focusing on teaching algorithms rather than specific programming language semantics. The technical evaluation tested with the implementation of Mean and Median algorithm shows that the system can distinguish between error cases with an error rate under 20%. A first survey, with a small group of students, shows that the system helps them detect common errors and arrive at a correct/valid solution. We are in the process of testing the system with a larger group of students for gathering statistically reliable data. KW - Language-independent programming KW - Tutoring system KW - Algorithm learning Y1 - 2018 UR - https://link.springer.com/chapter/10.1007%2F978-3-319-98572-5_66 SN - 978-3-319-98572-5 U6 - http://dx.doi.org/10.1007/978-3-319-98572-5_66 SP - 652 EP - 655 PB - Springer, Cham ER - TY - JOUR A1 - Löchte, Andre A1 - Gebert, Ole A1 - Heming, Daniel A1 - Sanders, Tilmann A1 - Glösekötter, Peter T1 - State of Charge estimation of zinc air batteries using electrochemical impedance spectroscopy JF - Neural Computing and Applications Y1 - 2018 VL - 2018 SP - 1 EP - 9 PB - Springer ER - TY - CHAP A1 - Mertens, K. T1 - „String-Dunkelkennlinien-Technik zur Diagnose von PV-Anlagen“, Solarkampagne des Kreises Steinfurt, Betriebs- und Sicherheitstagung der DGS, Berlin, 17.10.2018 Y1 - 2018 ER - TY - GEN A1 - Mertens, Konrad T1 - "Solarstrom auf meinem Dach: Wie geht das? Lohnt sich das noch?", Solarkampagne des Kreises Steinfurt, Ochtrup, 30.08.2018 Y1 - 2018 ER - TY - GEN A1 - Mertens, Konrad T1 - "Solarstrom auf meinem Dach: Wie geht das? Lohnt sich das noch?", Solarkampagne des Kreises Steinfurt, Metelen, 02.08.2018 KW - Photovoltaik, Solarstrom, Speicher Y1 - 2018 ER - TY - GEN A1 - Mertens, Konrad T1 - "Solarstrom auf meinem Dach: Wie geht das? Lohnt sich das noch?", Solarkampagne des Kreises Steinfurt, Steinfurt, 25.06.2018 KW - Photovoltaik, Solarstrom, Speicher Y1 - 2018 ER - TY - GEN A1 - Mertens, Konrad T1 - „Solarstrom auf meinem Dach: Wie geht das? Lohnt sich das noch?“, Solarkampagne des Kreises Steinfurt, Ladbergen, 10.10.2018 KW - Photovoltaik, Solarstrom, Speicher Y1 - 2018 ER - TY - GEN A1 - Mertens, Konrad T1 - „Solarstrom auf meinem Dach: Wie geht das? Lohnt sich das noch?“, Solarkampagne des Kreises Steinfurt, Westerkappeln, 25.09.2018 KW - Photovoltaik, Solarstrom, Speicher Y1 - 2018 ER - TY - GEN A1 - Mertens, Konrad T1 - „Solarstrom auf meinem Dach: Wie geht das? Lohnt sich das noch?“, Solarkampagne des Kreises Steinfurt, Lengerich, 19.09.2018 KW - Photovoltaik, Solarstrom, Speicher Y1 - 2018 ER - TY - CHAP A1 - Mertens, Konrad T1 - „String-Dunkelkennlinien: Eine neue effiziente Methode zur Anlagenevaluation“, 33. Symposium Photovoltaische Solarenergie, Staffelstein, 27.04.2018 KW - Photovoltaik, Solarstrom Y1 - 2018 ER - TY - BOOK A1 - Mertens, Konrad T1 - Photovoltaics - Fundamentals, Technology, and Practice KW - Photovoltaics KW - Solar Energy KW - Textbook KW - Comprehensive Textbook KW - Energy Transition Y1 - 2018 SN - 978-1-119-40104-9 PB - John Wiley & Sons, Inc. CY - Chichester, UK ET - 2. Edition ER - TY - BOOK A1 - Mertens, Konrad T1 - Photovoltaik - Lehrbuch zu Grundlagen, Technologie und Praxis, 4., aktualisierte Auflage KW - Photovoltaik KW - Solarstrom KW - Solarenergie KW - Lehrbuch Y1 - 2018 SN - 978-3-446-44863-6 PB - Carl Hanser Verlag CY - München ER - TY - CHAP A1 - Poppe, Martin ED - Skolaut, Werner T1 - Elektrotechnik T2 - Maschinenbau - Ein Lehrbuch für das ganze Bachelor Studium N2 - In diesen Kapiteln wird zusammengefasst, was ein Maschinenbauer auf dem Gebiete der Elektrotechnik wissen sollte. KW - Elektrotechnik, Netzwerke, Halbleiter, Motoren Y1 - 2018 UR - https://www.springer.com/gp/book/9783662558812 SN - 978-3-662-55881-2 U6 - http://dx.doi.org/10.1007/978-3-662-55882-9 SP - 1181 EP - 1269 PB - Springer CY - Heidelberg ER - TY - GEN A1 - Job, Reinhart T1 - What is our problem with energy and resources, Seminar, 7.11.2018, Center for Interdisciplinary Research in Agribusiness, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brasilien Y1 - 2018 ER - TY - CHAP A1 - Poddebniak, Damian A1 - Dresen, Christian A1 - Müller, Jens A1 - Ising, Fabian A1 - Schinzel, Sebastian A1 - Friedberg, Simon A1 - Somorovsky, Juraj A1 - Schwenk, Jörg T1 - Efail: Breaking S/MIME and OpenPGP Email Encryption using Exfiltration Channels T2 - USENIX Security 2018 Y1 - 2018 SN - 978-1-931971-46-1 CY - Baltimore, MD, USA ET - 27th ER - TY - CHAP A1 - Mertens, K. T1 - "Do Photovoltaics make sense in countries like Germany?", Invited Paper zur 7th International Energy and Sustainability Confrerence, Cologne Institute for Renewable Energy CIRE der TH Köln, 17.05.2018, Köln Y1 - 2018 ER - TY - GEN A1 - Mertens, K. T1 - "Solarstrom auf meinem Dach: Wie geht das? Lohnt sich das noch?", Energiespartage Steinfurt, Steinfurt, 03.04.2018 Y1 - 2018 ER - TY - GEN A1 - Welzl, M. A1 - Tüxen, M. A1 - Khademi, N. T1 - On the Usage of Transport Features Provided by IETF Transport Protocols BT - February 2018 Y1 - 2018 U6 - http://dx.doi.org/10.17487/RFC8303 SN - 2070-1721 N1 - RFC 8303 ER - TY - CHAP A1 - Poddebniak, Damian A1 - Somorovsky, Juraj A1 - Schinzel, Sebastian A1 - Lochter, Manfred A1 - Rösler, Paul T1 - Attacking Deterministic Signature Schemes using Fault Attacks T2 - 3rd IEEE European Symposium on Security and Privacy Y1 - 2018 ER - TY - BOOK A1 - Poppe, Martin T1 - Prüfungstrainer Elektrotechnik Y1 - 2018 SN - 9783662566480 U6 - http://dx.doi.org/10.1007/978-3-662-56649-7 PB - Springer CY - Heidelberg ET - 3 ER -