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In der Forschungsgruppe um Prof. Dr. Thomas Wendt werden Themen in unterschiedlichsten Bereichen von Automatisierungstechnik über funktionale Sicherheit bis hin zur 3D-gedruckten Elektronik / Sensorik behandelt. Insgesamt arbeiten vier Doktoranden und vier Mitarbeiter an der Weiterentwicklung der verschiedenen Technologien, die in diesem Artikel zusammengefasst dargestellt sind.
A Review on Kinetic Energy Harvesting with Focus on 3D Printed Electromagnetic Vibration Harvesters
(2021)
The increasing amount of Internet of Things (IoT) devices and wearables require a reliable energy source. Energy harvesting can power these devices without changing batteries. Three-dimensional printing allows us to manufacture tailored harvesting devices in an easy and fast way. This paper presents the development of hybrid and non-hybrid 3D printed electromagnetic vibration energy harvesters. Various harvesting approaches, their utilised geometry, functional principle, power output and the applied printing processes are shown. The gathered harvesters are analysed, challenges examined and research gaps in the field identified. The advantages and challenges of 3D printing harvesters are discussed. Reported applications and strategies to improve the performance of printed harvesting devices are presented.
Human–robot collaborative applications have been receiving increasing attention in industrial applications. The efficiency of the applications is often quite low compared to traditional robotic applications without human interaction. Especially for applications that use speed and separation monitoring, there is potential to increase the efficiency with a cost-effective and easy to implement method. In this paper, we proposed to add human–machine differentiation to the speed and separation monitoring in human–robot collaborative applications. The formula for the protective separation distance was extended with a variable for the kind of object that approaches the robot. Different sensors for differentiation of human and non-human objects are presented. Thermal cameras are used to take measurements in a proof of concept. Through differentiation of human and non-human objects, it is possible to decrease the protective separation distance between the robot and the object and therefore increase the overall efficiency of the collaborative application.
In diesem Artikel werden die neuesten Entwicklungen in der Forschungsgruppe um Herrn Prof. Dr. Wendt vorgestellt. Es wird der Einsatz des neuen 3-D-Druckers der Firma Neotech, sowie die neuesten Entwicklungen im Leuchtturmprojekt Flitzmo beschrieben. Zudem konnte dieses Jahr mit dem Projekt zum Einsatz von Robotik im Bereich Assisted Living begonnen werden.