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In einer Vorlesung nicht abgehängt zu werden und die vielen Ergebnisse strukturiert zu sichern, ist für Studienanfänger eine große Herausforderung. Mitschriebe sind sehr oft unvollständig, unstrukturiert oder „zerfläddert“. Mitschreib-Marathon und Mitdenken schließen sich bei vielen aus. Auch aktivierende Lehrmethoden, Medienwechsel, Lehrvideos führen oft dazu, dass eine strukturierte Sicherung der Inhalte des Lehrgesprächs noch erschwert wird.
Es wird ein Best Practice Beispiel gezeigt, Mathematik-Vorlesungen über ein Tablet-basiertes Mitmach-Skript zu gestalten. Dieses dient als Schrittmacher zwischen Input- und Verarbeitungsphasen und unterstützt die strukturierte Verschriftlichung, indem es Vorteile von Tafel, PPT und klassischem Skript vereint. Traditionelle Methoden werden mit technologischen Möglichkeiten kombiniert, um die angesprochenen Herausforderungen bewusster im Lehrstil zu berücksichtigen. Verbindungen zu Virtual Classroom und Video-gestützter Lehre werden aufgezeigt.
The CAN bus still is an important fieldbus in various domains, e.g. for in-car communication or automation applications. To counter security threats and concerns in such scenarios we design, implement, and evaluate the use of an end-to-end security concept based on the Transport Layer Security protocol. It is used to establish authenticated, integrity-checked, and confidential communication channels between field devices connected via CAN. Our performance measurements show that it is possible to use TLS at least for non time-critical applications, as well as for generic embedded networks.
This paper describes the Sweaty II humanoid adult size robot trying to qualify for the RoboCup 2018 adult size humanoid competition. Sweaty came 2nd in RoboCup 2017 adult size league. The main characteristics of Sweaty are described in the Team Description Paper 2017. The improvements that have been made or are planned to be implemented for RoboCup 2018 are described in this paper.
Targeting complex fractionated atrial electrocardiograms by automated algorithms during ablation of persistent atrial fibrillation has produced conflicting outcomes in previous electrophysiological studies and catheter ablation of atrial fibrillation and ventricular tachycardia. The aim of the investigation was to evaluate atrial and ventricular high frequency fractionated electrical signals with signal averaging technique.
Methods: Signal averaging electrocardigraphy allows high resolution ECG technique to eliminate interference noise signals in the recorded ECG. The algorithm use automatic ECG trigger function for signal averaged transthoracic, transesophageal and intra-cardiac ECG signals with novel LabVIEW software.
Results: The analysis in the time domain evaluated fractionated atrial signals at the end of the signal averaged P-wave and fractionated ventricular signals at the end of the QRS complex. We evaluated atrial flutter in the time domain with two-to-one atrioventricular conduction, 212.0 ± 4.1 ms atrial cycle length, 426.0 ± 8.2 ms ventricular cycle length, 58.2 ± 1.8 ms P-wave duration, 119.6 ± 6.4 ms PQ duration, 103.0 ± 2.4 ms QRS duration and 296.4 ± 6.8 ms QT duration. The analysis in the frequency domain evaluated high frequency fractionated atrial signals during the P-wave and high frequency fractionated ventricular signals during QRS complex.
Conclusions: Spectral analysis of signal averaging electrocardiography with novel LabVIEW software can be utilized to evaluate atrial and ventricular conduction delays in patients with atrial fibrillation and ventricular tachycardia. Complex fractionated atrial and ventricular electrocardiograms may be useful parameters to evaluate electrical cardiac bradycardia and tachycardia signals in atrial fibrillation and ventricular tachycardia ablation.