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This paper describes the new Sweaty II humanoid adult size robot trying to qualify for the RoboCup 2016 adult size humanoid competition. Based on experiences during RoboCup 2014, the Sweaty robot has been completely redesigned to a new robot Sweaty II. A major change is the use of linear actuators for the legs. Another characteristic is its indirect actuation by means of rods. This allows a variable transmission ratio depending on the angle of a joint.
VDI Standard 4521: Status
(2016)
VDI Guideline 4521 Part 1: “Inventive problem solving with TRIZ: Part 1 – Fundamentals and definitions” has been published on 2015-04-01. The standard will sharpen the image of TRIZ, facilitate cooperation, and support studying and teaching. It is not a textbook but concisely summarizes basic assumptions of TRIZ and its terminology. It gives an overview on specific methods and tools which will be described in the following parts.
We herein present a topology design method based on local optimality criteria which has been implemented in an open source Navier-Stokes solver for turbulent flows. Our method aims for the fast generation of geometry proposals in the early conceptual phase. To the best of our knowledge, this is the first local criteria approach utilizing a wall function turbulence model in order to consider turbulent flows. In order to allow for the growth as well as the shrinkage, or even the formation or disappearance of structural features, a topological approach is chosen. By introducing a volume fraction parameter, we distinguish between fluid and solid properties in each control volume. The fluid-solid interface is represented by an immersed boundary method using a piecewise linear surface reconstruction.
The uncertain and time-variant nature of renewable energy results in the need to deal with peaks in the production of energy. One approach is to achieve a load shift and thereby help balancing the grid by using thermally Activated Building Systems (TABS). Control systems currently in place do not exploit the full potential of TABS. This paper reviews how Model Predictive Control can possibly reduce the fluctuations of the demand and supply of (renewable) energy as it enables the TABS to react to the dynamics of weather and its impact on the grid at any time.
Empirische Untersuchungen zum visuellen Wahrnehmen beim Lesen und Verstehen technischer Zeichnungen
(2016)
Es wurden 49 Einzelpersonen aus dem Studiengang „Maschinenbau“ der Hochschule Offenburg bei der Lösungssuche für eine zeichnerische Aufgabe mit Hilfe der Eyetracking-Technik beobachtet. Aus den Experimenten ergeben sich Aufschlüsse über das tatsächliche Vorgehen von Studierenden beim Lesen technischer Zeichnungen. Die Analyse der empirischen Untersuchungen legt die Vermutung nahe, dass die zunehmende Digitalisierung der Gesellschaft und der zunehmende Umgang mit elektronischen Kleinstgeräten verstärkt zu einem punktuellen und schnellen Wahrnehmungsverhalten führen. Ruhe und Gelassenheit im Umgang mit Informationen gehen verloren, ebenso das Denken im Kontext. Somit muss es Aufgabe der Lehre sein, wieder verstärkt ein ruhiges, strukturiertes und auf Zusammenhänge ausgerichtetes Vorgehen zu vermitteln und zu üben.