Search Results - "Warnecke, Alexander"

Introduction of capacity difference analysis (CDA) for analyzing lateral lithium-ion flow to determine the state of covering layer evolution by Lewerenz, Meinert, Warnecke, Alexander, Sauer, Dirk Uwe

“…In this contribution a simple in-situ method named capacity difference analysis (CDA) is introduced to characterize lateral flow of lithium-ions within the…”
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Calendar and cycle life study of Li(NiMnCo)O2-based 18650 lithium-ion batteries by ECKER, Madeleine, NIETO, Nerea, KÄBITZ, Stefan, SCHMALSTIEG, Johannes, BLANKE, Holger, WARNECKE, Alexander, SAUER, Dirk Uwe

“…An extensive set of accelerated aging tests has been carried out employing a Li-ion high energy 18650 system (2.05 Ah), negative electrode: carbon, positive…”
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Real-Time Radar-Based Gesture Detection and Recognition Built in an Edge-Computing Platform by Sun, Yuliang, Fei, Tai, Li, Xibo, Warnecke, Alexander, Warsitz, Ernst, Pohl, Nils

“…In this paper, a real-time signal processing framework based on a 60 GHz frequency-modulated continuous wave (FMCW) radar system to recognize gestures is…”
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Differential voltage analysis as a tool for analyzing inhomogeneous aging: A case study for LiFePO4|Graphite cylindrical cells by Lewerenz, Meinert, Marongiu, Andrea, Warnecke, Alexander, Sauer, Dirk Uwe

“…In this work the differential voltage analysis (DVA) is evaluated for LiFePO4|Graphite cylindrical cells aged in calendaric and cyclic tests. The homogeneity…”
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Post-mortem analysis on LiFePO4|Graphite cells describing the evolution & composition of covering layer on anode and their impact on cell performance by Lewerenz, Meinert, Warnecke, Alexander, Sauer, Dirk Uwe

“…During cyclic aging of lithium-ion batteries the formation of a μm-thick covering layer on top of the anode facing the separator is found on top of the anode…”
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Non-invasive yet separate investigation of anode/cathode degradation of lithium-ion batteries (nickel–cobalt–manganese vs. graphite) due to accelerated aging by Shafiei Sabet, Pouyan, Warnecke, Alexander Johannes, Meier, Frank, Witzenhausen, Heiko, Martinez-Laserna, Egoitz, Sauer, Dirk Uwe

“…The non-invasive investigation of lithium-ion batteries is of great importance, e.g. for improvement of electrode materials or monitoring the state of health…”
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Technical Viability of Battery Second Life: A Study From the Ageing Perspective by Martinez-Laserna, Egoitz, Sarasketa-Zabala, Elixabet, Villarreal Sarria, Igor, Stroe, Daniel-Ioan, Swierczynski, Maciej, Warnecke, Alexander, Timmermans, Jean-Marc, Goutam, Shovon, Omar, Noshin, Rodriguez, Pedro

“…Reusing electric vehicle batteries once retired from the automotive application is stated as one of the possible solutions to reduce electric vehicle costs…”
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A White Box Equivalent Neural Network Ensemble for Health Estimation of Lithium-Ion Batteries by Ghosh, Nitika, Garg, Akhil, Warnecke, Alexander, Gao, Liang

“…The recent data-driven solutions for state of health (SoH) estimation of lithium-ion batteries (LIBs) are black-box due to their inexplicable characteristics,…”
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New method evaluating currents keeping the voltage constant for fast and highly resolved measurement of Arrhenius relation and capacity fade by Lewerenz, Meinert, Käbitz, Stefan, Knips, Marcus, Münnix, Jens, Schmalstieg, Johannes, Warnecke, Alexander, Sauer, Dirk Uwe

“…The evaluation of floating currents is a powerful method to characterize capacity fade induced by calendaric aging and enables a highly resolved representation…”
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Transferring the internal processes of the lead–acid battery to the lithium–sulfur battery by verification with electrochemical impedance spectroscopy by Brieske, Daniel Martin, Warnecke, Alexander, Sauer, Dirk Uwe

“…As one of the next generations of lithium–ion technology, the lithium–sulfur battery is considered a promising rechargeable energy system. Compared to the…”
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Modeling the Quarter-Vehicle: Use of Passive Sensor Data for Road Condition Monitoring by Kortmann, Felix, Horstkotter, Julin, Warnecke, Alexander, Meier, Nicolas, Heger, Jens, Funk, Burkhardt, Drews, Paul

“…In recent years, automated driving has become one of the most important research fields in the automotive industry. A key component for a successful…”
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Multi-Feature Encoder for Radar-Based Gesture Recognition by Sun, Yuliang, Fei, Tai, Li, Xibo, Warnecke, Alexander, Warsitz, Ernst, Pohl, Nils

“…In this paper, a multi-feature encoder for gesture recognition based on a 60 GHz frequency-modulated continuous wave (FMCW) radar system is proposed to extract…”
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Evaluating Explanation Methods for Deep Learning in Security by Warnecke, Alexander, Arp, Daniel, Wressnegger, Christian, Rieck, Konrad

“…Deep learning is increasingly used as a building block of security systems. Unfortunately, neural networks are hard to interpret and typically opaque to the…”
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Applying Quarter-Vehicle Model Simulation for Road Elevation Measurements Utilizing the Vehicle Level Sensor by Kortmann, Felix, Rodeheger, Malte, Warnecke, Alexander, Meier, Nicolas, Heger, Jens, Funk, Burkhardt, Drews, Paul

“…In the past years, automated driving has become one of the most important research fields in the automotive industry. A key component for a successful…”
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Live Demonstration: Passive Sensor Setup for Road Condition Monitoring by Kortmann, Felix, Horstkotter, Julin, Warnecke, Alexander, Meier, Nicolas, Heger, Jens, Funk, Burkhardt, Drews, Paul

“…The automation of vehicles is a major challenge and subject to many publications focusing on sensor systems, capable of receiving environmental information. As…”
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Calendar and cycle life study of Li(NiMnCo)O sub(2)-based 18650 lithiumion batteries by Ecker, Madeleine, Nieto, Nerea, Kabitz, Stefan, Schmalstieg, Johannes, Blanke, Holger, Warnecke, Alexander, Sauer, Dirk Uwe

“…An extensive set of accelerated aging tests has been carried out employing a Li-ion high energy 18650 system (2.05 Ah), negative electrode: carbon, positive…”
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Untersuchung und Klassifikation der Fahreraufmerksamkeit bei längerer partiell automatisierter Fahrt by Hugenroth, Alexander, Warnecke, Alexander, Bertram, Torsten

“…Zusammenfassung Um die Unfallzahlen weiter zu senken, schreibt die Europäische Union ab 2030 eine höhere Fahrerüberwachung für neue Fahrzeuge vor. Bislang…”
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Detecting Various Road Damage Types in Global Countries Utilizing Faster R-CNN by Kortmann, Felix, Talits, Kevin, Fassmeyer, Pascal, Warnecke, Alexander, Meier, Nicolas, Heger, Jens, Drews, Paul, Funk, Burkhardt

“…Road damages are of great interest for federal road authorities and their infrastructure management as well as the automated driving task and thus safety and…”
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Machine Unlearning of Features and Labels by Warnecke, Alexander, Pirch, Lukas, Wressnegger, Christian, Rieck, Konrad

“…Removing information from a machine learning model is a non-trivial task that requires to partially revert the training process. This task is unavoidable when…”
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Evil from Within: Machine Learning Backdoors through Hardware Trojans by Warnecke, Alexander, Speith, Julian, Möller, Jan-Niklas, Rieck, Konrad, Paar, Christof

“…Backdoors pose a serious threat to machine learning, as they can compromise the integrity of security-critical systems, such as self-driving cars. While…”
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