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Um Rückschlüsse auf das Vorgehen von Studierenden beim Lesen technischer Darstellungen ziehen zu können, wurden 49 Probanden aus dem Studiengang „Maschinenbau“ der Hochschule Offenburg bei ihrer Lösungssuche für eine zeichnerische Aufgabe mit Hilfe der Eyetracking-Technik beobachtet. Die Analyse der empirischen Untersuchungen legt die Vermutung nahe, dass die zunehmende Digitalisierung der Gesellschaft verstärkt zu einem punktuellen und flüchtigen Wahrnehmungsverhalten führen. Ruhe und Gelassenheit im Umgang mit Informationen gehen verloren, ebenso das Denken im Kontext. Nach Ansicht der Autoren sollte in der Ausbildung deshalb eine stärkere Konzentration auf die Grundbausteine und die grundlegenden Zusammenhänge des jeweiligen Fachgebietes, Entschleunigung, Förderung von Versteh-, Abstraktions- und Denkfähigkeit und auf der Motivation zur studentischen Eigenleistung liegen.
Additive manufacturing (AM), or 3D printing (3DP), has increasingly become more wide-spread and applied to a great degree over the past years. Along with that, the necessity for training courses which impart the required knowledge for product development with 3D printing rises. This article will introduce a “Rapid Prototyping” workshop which should convey to students the technical and creative knowledge for product development in using additive manufacturing. In this workshop, various 3D printers are initially installed and put into operation for the construction of self-assembly kits during the introduced training course. Afterwards, the students use databanks to select and download suitable components for the 3D print on the basis of criteria. Lastly, the students develop several assembly kits independently and establish design guidelines based on their experience. The students likewise learn to estimate and evaluate economic boundaries such as, e.g. costs and delivery times. For a start, it is a new approach to be using various assembly kits. These are up to date with current technology and dispose of features such as, e.g., additional nozzles for support material and heated building platforms. Moreover, a comprehensive evaluation of the training success will be conducted. The students’ level of knowledge in various areas will also be determined and compared with surveys taken before and after the conducting of the workshops. Additionally, cost and delivery time estimates and knowledge of databanks will be determined through concrete questioning.
The number of impaired persons rises -- as a result of both regular degradation with age and psychological problems like burnout. Sheltered work organizations aim to reintegrate impaired persons into work environments and prepare them for the re-entry in the regular job market.
Both for elderly and for impaired persons it is crucial to quickly assess the abilities, to identify limits and potentials and thus find work processes suitable for their skill profile.
This work focuses on the analysis and comparison of software-tools that assess the abilities of persons with impairments. We describe two established generic tools (CANTAB, Cogstate), analyze a yet unknown specialized tool (Hamet) and present a new gamified tool (GATRAS).
Finally, we present a study with 20 participants with impairments, comparing the tools against a ground truth baseline generated by a real-world assembly task.
A number of design rules must be adhered to in the development and manufacturing of unmanned aerial vehicles. In this, additive manufacturing, particularly in the implementation of requirements with respect to light-weight construction and sustainability, offers several advantages compared to conventional manufacturing methods. Therefore, this article will primarily introduce and compare current concepts for sustainable design using additive manufacturing. These will, above all, consist of the production of complete fuselages and wings by means of rapid prototyping or also rapid tooling. In addition, a new concept will be introduced in which a UAV using AM can be implemented through the combination of very light components and a preferably resource-saving manufacturing method. In this process, a three-dimensional spaceframe is used in combination with a covering in the construction of the wing. Hereby, the development process for sustainable design using additive manufacturing will be analyzed and the results will be explained by means of concrete case studies. In conclusion, the results of these case studies will be compared to the latest technology regarding wing span load.
To successfully support private sector development in Africa by the use of trade and export promotion instruments, a comprehensive policy framework is crucial. Different institutional setups for development support show different levels of resilience and effectiveness in coping with the economic conditions they are exposed to. However, there is strong evidence that managing the interplay of three fundamental building blocks – public policy, focus areas, strategic objectives and critical success factors as well as institutions, is the key to crafting sustainable and responsive economies. Export plays a significant role in the national economy, and innovative and integrated government financing instruments have to successfully support the competitiveness of national companies in the global economy. Financing and supporting foreign trade with private businesses in Africa occupies a pivotal role, impacting from new product development and job creation in developed countries through economic growth and human development in African countries.