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Images displayed by projection systems can experience geometric distortions. These distortions can be compensated for by electronic correction, also called image warping. When the image that will be displayed is composed of several input sources, the different image layers have to be corrected independently from each other in order to achieve optimal image quality. A VLSI architecture for independent electronic correction of multiple image layers is proposed.
Seit 2012 wird an der Hochschule Bonn-Rhein-Sieg die Studieneingangsphase im Qualitätspakt Lehre gefördert. Ein wesentliches Anliegen im Projekt „Pro-MINT-us“ ist die Einbeziehung der gesamten Hochschule, um keine isolierten Maßnahmen anzubieten, sondern die im Projekt entwickelten Lehrideen nachhaltig zu verankern.
Optical distortions, resulting from lens characteristics, non-aligned projection and variations in the light source, decrease the quality of projection displays. Knowledge of the sources and characteristics of these distortions allows their electronic correction. The integration of electronic image correction in the display controller IC allows high quality projection without additional components.
Remote labs for students' design experiments are available in engineering education for several years. To ensure students' acceptance it is important to have an appropriate and stimulating user interface. So the usage and control of a remote lab has to be devised from the students' point of view. The contribution describes the FPGA (Field Programmable Gate Array) remote lab of the Bonn-Rhein-Sieg University and the design of its user interface from students' perspective.
Elektronik für Entscheider
(2017)
Dieses Buch gibt Nichtingenieuren, die sich beruflich mit Elektronik beschäftigen, die Möglichkeit, sich ein Stück auf dieses Fachgebiet zu begeben, um Aufgaben, Sprache und Vorgehensweise von Ingenieuren zu verstehen. Ziel ist es dabei nicht, nach dem Lesen dieses Buches eine elektronische Schaltung entwickeln zu können. Im Vordergrund steht vielmehr ein generelles Verständnis für die Zusammenhänge und Grundbegriffe der Elektronik.
Der Wechsel vom Lehren zum aktiven Lernen kann durch studentische Projekte gelingen. Studierende wenden das bisher vermittelte Wissen an und erleben dadurch Ihre eigene Handlungskompetenz während der Bearbeitung einer berufsnahen Aufgabenstellung. Lernziel ist hierbei die Steigerung der Handlungskompetenz, bestehend aus Fach-, Sozial-, Methoden- und Individualkompetenz durch die Aufgabenbearbeitung im Team. Insbesondere wird dabei auch Wert auf die Vermittlung und Erfahrung von Skills, wie z. B. Kooperationsfähigkeit, Kommunikationsverhalten und Arbeitsorganisation gelegt.
Sharpening the Educational Toolset - Promoting Professional Development of University Lecturers
(2016)
The teaching abilities of a lecturer play a crucial part for successful learning. Therefore it is important how lecturers are prepared for their task to impart knowledge. The requirements lecturers have to cope with are complex. Fundamental for teaching are skills in pedagogical competence. But there are further requirements. Nowadays students have a different way of learning as lecturers have experienced themselves. As an outcome different teaching methods have been developed and the knowledge of these methods can help to improve teaching. However, university lecturers are experts in their own domain but need knowledge in pedagogic and didactics, therefore a lot of activities and information are offered in this field. Due to various circumstances, e.g. lack of time, unawareness of the necessity to focus on quality teaching, too much theory, these activities and information are not sufficiently used. The paper deals with this problem and shows ways to enhance engagement in professional development of educational and didactical skills. In addition examples of activities are described which meet these requirements.
Elektronik für Entscheider
(2008)
Die Entwicklung, Produktion und Vermarktung elektronischer Güter ist ein bedeutender Wirtschaftsfaktor, an dem Menschen mit verschiedenen Ausbildungen beteiligt sind. Um Produkte zum richtigen Preis, mit den richtigen Eigenschaften und zum richtigen Zeitpunkt anbieten zu können, müssen die Verantwortlichen eines Projektes miteinander über Projektziele kommunizieren können.
Dieses Buch ist für Manager, Betriebswirte, Juristen, PR-Fachleute und Journalisten geschrieben, aber auch für Informatiker und Ingenieure aus allen Fachgebieten, die sich beruflich mit Produkten der Elektronik beschäftigen. Ihnen wird die Möglichkeit gegeben, sich ein Stück auf das Gebiet der Elektronik zu begeben, um sowohl Aufgaben als auch Sprache und Vorgehensweise von Elektroingenieuren zu verstehen. Ziel ist es dabei nicht, nach dem Lesen dieses Buches eine elektronische Schaltung entwickeln zu können. Im Vordergrund steht vielmehr ein generelles Verständnis für die Zusammenhänge und Grundbegriffe der Elektronik.
To meet the demands for education, engineering curricula intend go beyond teaching technical knowledge. In addition to classic modules, our department considers sustainability subjects such as energy awareness. This paper describes the implementation of a teaching plan for energy-efficient design in hands-on labs and visualizes the possibilities to bring the methods of reducing power consumption closer to students and observe the size of the effects.
A basic understanding of technology is recognized as important knowledge even for students not connected with engineering and computer science. This paper shows that embedded system concepts can be taught in a technological literacy course. An embedded system teaching block that has been used in an electronics module for non-engineers is presented. It comprises 1 h of lecturing and 3 h of hands-on lab work. Feedback and evaluation show that students are able to gain a basic understanding of the topic even in such a limited time.
An electronic display often has to present information from several sources. This contribution reports about an approach, in which programmable logic (FPGA) synchronises and combines several graphics inputs. The application area is computer graphics, especially rendering of large 3D models, which is a computing intensive task. Therefore, complex scenes are generated on parallel systems and merged to give the requested output image. So far, the transportation of intermediate results is often done by a local area network. However, as this can be a limiting factor, the new approach removes this bottleneck and combines the graphic signals with an FPGA.
This paper describes FGPA-based image combining for parallel graphics systems. The goal of our current work is to reduce network traffic and latency for increasing performance in parallel visualization systems. Initial data distribution is based on a common ethernet network whereas image combining and returning differs to traditional parallel rendering methods. Calculated sub-images are grabbed directly from the DVI-Ports for fast image compositing by a FPGA-based combiner.
Technical knowledge should not be limited to computer scientists and engineers. Also people outside these professions should have a basic understanding of technical concepts, trends and challenges. This paper describes a module of electronics for technical journalists and shows that electronics can be successfully communicated finding a balance between simplification and accuracy.
Qualifikation für gute Lehre
(2010)
Eine von insgesamt sechs Arbeitsgruppen der Jahrestagung des HRK Bologna-Zentrums 2009 beschäftigte sich mit dem Themenbereich "Qualifikation für gute Lehre". Nach zwei Impulsvorträgen diskutierten die Teilnehmer, wie Hochschulangehörige noch stärker als bisher für die Lehre
qualifiziert werden können.
Rendering of virtual scenes is an application that still demands higher computing power for more complex and more realistic scenes. In addition to existing parallel processing inside a graphics processing unit, this paper investigates a further level of parallelization. A combiner based on an FPGA (field programmable gate array) allows to merge the graphics output of several independent computers. The image combiner supports different load distribution techniques, namely sort-first and sort-last rendering. A system prototype based on a commercial evaluation system proved the viability of the approach. A compact and cost-efficient dedicated implementation has been designed and is used as a platform to investigate different approaches for parallel rendering.
A basic understanding of technology is recognized as important knowledge for students outside engineering and computer science. This paper shows that also embedded system concepts can be taught in a technological literacy course. An embedded system teaching block is presented that has been used in an electronics module for non-engineers. It uses one hour of lecturing and three hours of hands-on lab work. Feedback during the lab and an evaluation show that students can gain basic understanding of the topic even in such a limited time.
Multimediaprojectors require sophisticated image processing realized on limited board space. An architecture is presented that combines available components and a dedicated display controller for a flexible, compact and cost efficient display electronic. A basic version of the display controller is available as an ASIC, an advanced version has been prototyped as an FPGA.
Low power dissipation is a current topic in digital design, and therefore, it should be covered in a state-of-the-art electrical engineering curriculum. This paper describes how low-power design can be addressed within a digital design course. Doing so would be beneficial for both topics because low-power design is not detached from the systems perspective, and the digital design course would be enriched by references to current challenges and applications. Thus, the presented course should serve as an example of how a course can be developed to also teach students about sustainable engineering.
