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Adjusting the friction response of the wheel-rail interface is a key factor in the mitigation of wear and rollingcontact fatigue (RCF) in rails. The use of top-of-rail (TOR) friction conditioners has the potential to reduce maintenance costs significantly. Unfortunately, conflicting results on the use of commercial TOR conditioners have been presented in the literature. In this work, the performance of commercial TOR conditioners and a laboratory-made formulation were tested, both on the lab scale and in field measurements. Friction results are discussed together with the structural and chemical analysis of the tested materials.
Cultural Mapping 4.0
(2021)
Die Bodenseeregion gehört zu einer der ältesten Kulturlandschaften Europas. Ihre regionale kulturelle Identität trägt zum Image sowie Identifikation seitens der Bevölkerung mit der Bodenseeregion bei. Dennoch mangelt es an einer ganzheitlichen, die gesamte Bodenseeregion umfassende Betrachtung der Frage, was die kulturelle Identität der Bodenseeregion ausmacht. Das Forschungsprojekt «CultMap4.0» hat daher zum Ziel, aus einer räumlichen Perspektive die Wechselwirkung zwischen regionaler Identität, Kultur und Mobilität zu untersuchen. Neben der Leitfrage, was kulturelle Identität in einer grenzüberschreitenden und diversen Region wie dem Bodensee zu sein und leisten vermag, werden im Rahmen von vier Themenschwerpunkten folgende Forschungsfragen untersucht: Wie nehmen einheimische Bevölkerung, Unternehmen und TouristInnen die regionale kulturelle Identität (Eigenbild) und das Image (Fremdbild) der Bodenseeregion wahr? Wie kann der Ansatz des “Cultural Mappings” durch partizipative Kartierung digital transformiert werden, und wie können kulturelle Identität und Mobilität mit digitalem Storytelling in Storymaps visualisiert werden? Welchen Beitrag kann “Cultural Mapping 4.0” als partizipatives Werkzeug zur Regionalplanung und zur Kommunikation mit Stakeholdern in der Bodenseeregion und anderenorts leisten? Die dabei entstehenden Storymaps – interaktive Webinhalte aus Texten, Karten und weiteren Medien – zur kulturellen Identität der Bodenseeregion sollen auf der Plattform “Cultural Mapping” Project Lake Constance” veröffentlicht werden, um so von den Stakeholdern als Planungs- und Entscheidungstool sowie fürs Standortmarketing genutzt werden zu können.
This PhD investigation lies at the intersection of Architecture, Textile Design and Interaction Design and speculates about sustainable forms of future living, focussing on bionic principles to create alternative lightweight building structures with textiles and digital fabrication techniques. In an interdisciplinary, practice- based design approach, informed by radical case studies from the 1960s to 80s on soft architectures like Archigram, Buckminster Fuller, Cedric Price, or Yona Friedman and critical theory on new materialism, (D. Haraway 1997, K. Barad 1998, J. Bennett 2007) sociological, philosophical (B. Latour 2005, G.Deleuze F., Guattari F 1987) and phenomenological thinkers (L. Malafouris 2005, J.Rancière 2004, B. Massumi 2002, N. Bourriaud 2002 , M. Merleau-Ponty 1963) this research investigates the cultural and social rootedness (Verortung) of novel materials and technologies, exploring in between prosthetic relations between the body and the environment.
Generative Design Software - How does digitalization change the professional profile of architects
(2019)
Abstract, Poster und Vortrag
Vortrag und Abstract
CO2 compensation measures, in particular the compensation of flights, are becoming more and more popular. Carbon offsetting is defined as measures financed by donations that save greenhouse gases previously emitted elsewhere through climate protection projects.
CO2 abatement costs are often low in developing countries. This is why most offset projects are implemented there. Nevertheless, this does not mean that the holiday resort and the project country are in any way related to each other.
By linking carbon offset projects with the destination country, the tourist is able to get an impression of the co-financed project. In case such projects are realized in cooperation with the hotel, the hotel operator obtains a new tourist attraction and can demonstrate its efforts to climate protection in a PR-effective way.
Fachvortrag auf dem Swiss Tribology Symposium, 12.11.2019, Hightechzentrum Aargau, Brugg, Schweiz
Fachvortrag auf der 10th International European Stainless Steel Conference and 6th European Duplex Stainless Steel Conference (ESSC & DUPLEX 2019), 30.09. – 02.10.2019, Vienna, Austria
Pitting susceptibility of metastable austenitic stainless steels as a function of surface conditions
(2019)
Fachvortrag auf der 10th International European Stainless Steel Conference and 6th European Duplex Stainless Steel Conference (ESSC & DUPLEX 2019), 30.09. – 02.10.2019, Vienna, Austria
Martensitic stainless steels has a wide use, for example for blades, knifes or cutter. The best corrosion resistance of these materials is in hardened condition. For better mechanical properties a tempering is normally applied to increase the durability. The tempering is also reducing the hardness and finally the corrosion resistance. Austempering is meanly used at low alloyed steels and brings a good compromise between durability, hardness and corrosion resistance. For martensitic stainless steels, austempering is normally not a topic because of the very long tempering times.
This work shows first results of austempering of some standard martensitic stainless steels and the influence to corrosion resistance. For reference, hardened and also hardened and tempered specimens were investigated. The corrosions resistance was investigated by electrochemical methods.
A significant proportion of road traffic accidents are due to inattentiveness or fatigue at the wheel. Approaches to monitoring the driver's condition range from eye tracking and driving behavior analysis to yawn and blink detection and ECG measurement. This work describes the development of a mobile system for the measurement and processing of ECG data. The aim of the signal processing is to quantify the driver’s fatigue with the heartrate variability (HRV). The work includes the hardware and software design of the sensor. First, the development of low-noise electronics including AD conversion is described. Then the software signal processing with QRS complex detection and plotting front end is explained. The resulting sensor is compact, low-cost and provides a good signal for HRV extraction.
I4 Production
(2017)
Industry 4.0
(2017)
Poster
Steps to the stage
(2017)
Ulrich Finsterwalder
(2016)