@inproceedings{24022,
  abstract     = {{In this paper we propose a novel low-power receiver architecture which uses a direct-detection receiver in combination with a 2.44 GHz 13 bit Barker Code SAW correlator for improvement of co-channel interference. Furthermore, to improve receiver sensitivity, a narrowband baseband correlator which uses pulse position modulation (PPM) is proposed. The receiver can be used as a Wake-up Receiver (WuRx) in Wireless Sensor Networks (WSN) to minimize the power dissipation and provide asynchronous and on-demand data communication. We present a rigorous analysis of the receiver. It shows that the RF front-end (SAW correlator and envelope detector) alone suffers from poor sensitivity due to the high baseband bandwidth and the absence of an RF low noise amplifier. However, by adding the narrowband correlator with an innovative Pulse Position Modulation (PPM) scheme, the overall sensitivity of the receiver reaches -63.1 dB with an improvement of 17.7 dB due to the use of the narrowband correlator that reduces the baseband bandwidth from 50 to 0.84 MHz. By scaling the narrowband correlator bandwidth further down, the receiver sensitivity can be further improved.}},
  author       = {{Abughannam, Saed and Scheytt, Christoph}},
  booktitle    = {{IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2020) }},
  publisher    = {{IEEE}},
  title        = {{{Sensitivity Analysis of a Low-Power Wake-Up Receiver Using an RF Barker Code SAW Correlator and a Baseband Narrowband Correlator}}},
  doi          = {{10.1109/PIMRC48278.2020.9217198}},
  year         = {{2020}},
}

@inproceedings{24027,
  abstract     = {{Fault effect simulation is a well-established technique for the qualification of robust embedded software and hardware as required by different safety standards. Our article introduces a Virtual Prototype based approach for the fault analysis and fast simulation of a set of automatically generated and target compiled software programs. The approach scales to different RISC-V ISA standard subset configurations and is based on an instruction and hardware register coverage for automatic fault injections of permanent and transient bitflips. The analysis of each software binary evaluates its opcode type and register access coverage including the addressed memory space. Based on this information dedicated sets of fault injected hardware models, i.e., mutants, are generated. The simulation of all mutants conducted with the different binaries finally identifies the cases with a normal termination though executed on a faulty hardware model. They are identified as a subject for further investigations and improvements by the implementation of additional hardware or software safety countermeasures. Our final evaluation results with automatic C code generation, compilation, analysis, and simulation show that QEMU provides an adequate efficient platform, which also scales to more complex scenarios.}},
  author       = {{Adelt, Peer and Koppelmann, Bastian and Müller, Wolfgang and Scheytt, Christoph}},
  booktitle    = {{MBMV 2020 - Methods and Description Languages for Modelling and Verification of Circuits and Systems; GMM/ITG/GI-Workshop}},
  title        = {{{A Scalable Platform for QEMU Based Fault Effect Analysis for RISC-V Hardware Architectures}}},
  year         = {{2020}},
}

@inproceedings{24030,
  abstract     = {{Low-power receivers use direct-detection receiver architecture for its design simplicity and its low power dissipation. However, the direct-detection based receivers suffer from co-channel interference which significantly degrades the communication reliability. Co-channel interference robustness can be improved by using a BPSK Barker code modulated Surface Acoustic Wave (SAW) correlator as a prior stage to the RF direct detection circuit. This paper reports in details the design, fabrication and measurements of a 2.45 GHz SAW correlator with 13 bits length Barker code. The device is fabricated on Lithium Niobate LiNbO3 substrate and it is composed of an input non-coded Inter Digital Transducers (IDT), a Piezoelectric substrate and an output coded IDT. The device wavelength λ is set to 1.6 μm, considering a phase velocity of the wave equal to 3970 m.s-1. Several configurations of the device were designed and fabricated, particularly varying the aperture and the non-coded IDT length to find out the optimal device configuration. All devices were found to operate with Insertion Loss (IL) ranging from 12 to 15 dB at 2.45 GHz with a tip probing measurement setup, while a packaged sample has an IL of 12.45 dB at 2.44 GHz mounted on a PCB with external 50 Ω LC matching network. Additionally, time-domain measurement for the packaged device shows that the output has a correlation peak with a peak-to-side-lobe (PSL) ratio of 4:1 for a -0.5 dBm input BPSK Barker code signal.}},
  author       = {{Ballandras, Sylvain and Abughannam, Saed and Courjon, Emilie and Scheytt, Christoph}},
  booktitle    = {{GeMiC 2020 - German Microwave Conference}},
  title        = {{{Design and Fabrication of Barker Coded Surface Acoustic Wave (SAW) Correlator at 2.45 GHz for Low-Power Wake-up Receivers}}},
  year         = {{2020}},
}

@article{24031,
  author       = {{Schraeder, Dirk Theodor and Schafran, Tommy and Geisen, Bärbel and Rubbert, Lisa}},
  journal      = {{Orthopädie Technik}},
  pages        = {{32--37}},
  title        = {{{Ein interdisziplinärer und akutmedizinischer Ansatz zur frühestmöglichen Intervention bei Patienten mit Diabetischem Fußsyndrom}}},
  volume       = {{71 (9)}},
  year         = {{2020}},
}

@article{24120,
  abstract     = {{<jats:title>Abstract</jats:title>
               <jats:p>In two-phase flows in which the Capillary number is low, errors in the computation of the surface tension force at the interface cause Front-Capturing methods such as Volume of Fluid (VOF) and Level-Set (LS) to develop interfacial spurious currents. To better solve low Capillary number flows, special treatment is required to reduce such spurious currents. Smoothing the phase indicator field to more accurately compute the curvature or adding interfacial artificial viscosity are techniques that can treat this problem. This study explores OpenFOAM, Fluent and StarCCM+ VOF solvers for the classical case of a static bubble/droplet immersed in a continuous aqueous phase, with the focus on the ability of these solvers to adequately reduce spurious currents. The results are expected to be helpful for practicing chemical engineers who use multiphase CFD solvers in their work.</jats:p>}},
  author       = {{Inguva, Venkatesh and Schulz, Andreas and Kenig, Eugeny Y.}},
  issn         = {{1934-2659}},
  journal      = {{Chemical Product and Process Modeling}},
  title        = {{{On methods to reduce spurious currents within VOF solver frameworks. Part 1: a review of the static bubble/droplet}}},
  doi          = {{10.1515/cppm-2020-0052}},
  year         = {{2020}},
}

@misc{24133,
  author       = {{Schöppner, Volker and Austermeier, Laura and Dietl, Kilian}},
  booktitle    = {{Blasformen & Extrusionswerkzeuge}},
  keywords     = {{Compoundieren, Doppenschneckenextruder, Energieeintrag}},
  pages        = {{7}},
  title        = {{{Der richtige Dreh für Simulationen}}},
  year         = {{2020}},
}

@misc{24134,
  author       = {{Schöppner, Volker and Austermeier, Laura and Dietl, Kilian}},
  booktitle    = {{K Zeitung}},
  keywords     = {{Compoundieren, Doppenschneckenextruder, Energieeintrag}},
  title        = {{{SKZ simuliert Doppelschnecke}}},
  year         = {{2020}},
}

@inproceedings{24145,
  author       = {{Ramaswamy, Arunselvan}},
  booktitle    = {{2020 28th Euromicro International Conference on Parallel, Distributed and Network-Based Processing (PDP)}},
  pages        = {{54--62}},
  title        = {{{DSPG: Decentralized Simultaneous Perturbations Gradient Descent Scheme}}},
  year         = {{2020}},
}

@inproceedings{24146,
  author       = {{Heid, Stefan Helmut and Ramaswamy, Arunselvan and Hüllermeier, Eyke}},
  booktitle    = {{Proceedings-30. Workshop Computational Intelligence: Berlin, 26.-27. November 2020}},
  pages        = {{247}},
  title        = {{{Constrained Multi-Agent Optimization with Unbounded Information Delay}}},
  volume       = {{26}},
  year         = {{2020}},
}

@article{24147,
  author       = {{Ramaswamy, Arunselvan and Bhatnagar, Shalabh and Quevedo, Daniel E}},
  journal      = {{IEEE Transactions on Automatic Control}},
  publisher    = {{IEEE}},
  title        = {{{Asynchronous stochastic approximations with asymptotically biased errors and deep multi-agent learning}}},
  year         = {{2020}},
}

@article{24182,
  abstract     = {{<jats:title>Abstract</jats:title><jats:p>This paper presents the results of an interlaboratory study of the rheological properties of cement paste and ultrasound gel as reference substance. The goal was to quantify the comparability and reproducibility of measurements of the Bingham parameters yield stress and plastic viscosity when measured on one specific paste composition and one particular ultrasound gel in different laboratories using different rheometers and measurement geometries. The procedures for both in preparing the cement paste and carrying out the rheological measurements on cement paste and ultrasound gel were carefully defined for all of the study’s participants. Different conversion schemes for comparing the results obtained with the different measurement setups are presented here and critically discussed. The procedure proposed in this paper ensured a reasonable comparability of the results with a coefficient of variation for the yield stress of 27% and for the plastic viscosity of 24%, despite the individual measurement series’ having been performed in different labs with different rheometers and measurement geometries.</jats:p>}},
  author       = {{Haist, Michael and Link, Julian and Nicia, David and Leinitz, Sarah and Baumert, Christian and von Bronk, Tabea and Cotardo, Dario and Eslami Pirharati, Mahmoud and Fataei, Shirin and Garrecht, Harald and Gehlen, Christoph and Hauschildt, Inga and Ivanova, Irina and Jesinghausen, Steffen and Klein, Christopher and Krauss, Hans-W. and Lohaus, Ludger and Lowke, Dirk and Mazanec, Oliver and Pawelczyk, Sebastian and Pott, Ursula and Radebe, Nonkululeko W. and Riedmiller, Joachim Jürgen and Schmid, Hans-Joachim and Schmidt, Wolfram and Secrieru, Egor and Stephan, Dietmar and Thiedeitz, Mareike and Wilhelm, Manfred and Mechtcherine, Viktor}},
  issn         = {{1359-5997}},
  journal      = {{Materials and Structures}},
  title        = {{{Interlaboratory study on rheological properties of cement pastes and reference substances: comparability of measurements performed with different rheometers and measurement geometries}}},
  doi          = {{10.1617/s11527-020-01477-w}},
  year         = {{2020}},
}

@article{24183,
  author       = {{Moritzer, Elmar and Wortmann, M. and Sabantina, L. and Klocker, M. and Mirasol, JR}},
  journal      = {{JOURNAL OF INDUSTRIAL TEXTILES}},
  number       = {{50}},
  pages        = {{224--239}},
  title        = {{{Stabilization of polyacrylonitrile nanofiber mats obtained by needleless electrospinning using dimethyl sulfoxide as solvent}}},
  year         = {{2020}},
}

@article{24184,
  author       = {{Moritzer, Elmar and Mühlhoff, Frederik Marvin and Krampe, Erhard and Lochbaum, Ella}},
  journal      = {{Plastverarbeiter}},
  number       = {{07/20}},
  pages        = {{20--23}},
  title        = {{{2K-Haftverbunde aus originär inkompatiblen Kunststoffen}}},
  year         = {{2020}},
}

@inproceedings{24201,
  author       = {{Moritzer, Elmar and Kartelmeyer, Stephan  and Hüttemann, Vincent }},
  booktitle    = {{Direct Digital Manufacturing Conference 2020}},
  location     = {{Berlin}},
  title        = {{{Additive Manufactured Heat Pipe Injection Mould Element}}},
  year         = {{2020}},
}

@inproceedings{24203,
  author       = {{Moritzer, Elmar and Hillemeyer, Johannes}},
  booktitle    = {{6. Fachkonferenz 3D-Druck in der Automobielindustrie}},
  location     = {{Hamburg}},
  title        = {{{Additiveteile Direktverschrauben}}},
  year         = {{2020}},
}

@misc{24204,
  author       = {{Schöppner, Volker and Dörner, M. and Marschik, C.}},
  title        = {{{ANALYSIS OF THE ADVANTAGEOUS PROCESS AND MIXING BEHAVIOUR OF WAVE-DISPERSION SCREWS IN SINGLE SCREW EXTRUSION}}},
  year         = {{2020}},
}

@inproceedings{24206,
  author       = {{Moritzer, Elmar and Hillemeyer, Johannes}},
  booktitle    = {{10. Gemeinschaftskolloquium}},
  location     = {{WebKolloquium (Deutschland)}},
  title        = {{{Ansatz zur sicheren Direktverschraubung additiv gefertigter Einschraubtuben}}},
  year         = {{2020}},
}

@article{24207,
  author       = {{Schöppner, Volker and Dörner, M. and Marschik, C. and Roland, W. and Schaufler, S. and Steinbichler, G.}},
  journal      = {{Polymers}},
  number       = {{12(9)}},
  pages        = {{1900}},
  title        = {{{Application of Network Analysis to Flow Systems with Alternating Wave Channels: Part B. (Superimposed Drag-Pressure Flows in Extrusion)}}},
  year         = {{2020}},
}

@inproceedings{24213,
  author       = {{Moritzer, Elmar and Wittke, M.}},
  booktitle    = {{Annual Technical Conference of the Society of Plastics Engineers (ANTEC) 2020}},
  location     = {{Digital}},
  title        = {{{CONTEXT OF FIBER LENGTH DISTRIBUTION, HOMOGENEITY AND MECHANICAL PROPERTIES IN DIRECT COMPOUNDING INJECTION MOLDING OF FIBER REINFORCED THERMOPLASTICS}}},
  year         = {{2020}},
}

@inproceedings{24228,
  author       = {{Moritzer, Elmar and Krassmann, Dimitri}},
  booktitle    = {{73rd Annual Assembly of the International Institute of Welding (IIW)}},
  location     = {{Online}},
  title        = {{{Development of a New Joining Technology for Hybrid Joints of Sheet Metal and Continuous Fiber-Reinforced Thermoplastics}}},
  year         = {{2020}},
}