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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

FEM based interdisciplinary approaches to optimization of multi-stage metal forming processes

Ji, Meixing, January 2006 (has links)
Thesis (Ph. D.)--Ohio State University, 2006. / Title from first page of PDF file. Includes bibliographical references (p. 130-135).
2

Aplikace metody QFD ve vybrané organizaci / The application of the QFD method in the selected organization

Vondráková, Radka January 2013 (has links)
The aim of this Master's Thesis is to propose improvement of the process of providing selected service, specifically serving food in the AV Gastro canteen located in the University of Economics, Prague Žižkov, for customers using the method Quality Function Deployment (QFD abbreviated), converts customer requirements into measurable indicators and set improved values. The interviewing technique based on use of questionnaires in written and electronic form was used to disclose customer requirements. One step of this method is the technical competitive assessment of functional requirements, the mystery shopping method was used for this. The graphical output of this method is the set of matrices called the house of quality. Various measures including the outline of associated costs were proposed based on outputs of QFD.
3

Gestaltande lekpedagogik som utvecklingsprocess : En intervjustudie med förskollärare / Drama pedagogy as a developing process : An interview study with pre-school teachers

Fager, Linnea January 2014 (has links)
I min studie vill jag undersöka och belysa hur gestaltande lekpedagogik som arbetsprocess kan startas upp och fortlöpa. För att få förskollärares egna berättelser och perspektiv väljer jag att använda mig av intervju som metod. Jag utgår ifrån Lindqvists teori (1996) om gestaltande lekpedagogik. Lindqvist menar att ett gestaltande arbetssätt låter de teoretiska och de estetiska ämnena samarbeta. Lekvärldar byggs upp och gestaltningar genomförs, barnen får en mening och lärandet blir lustfyllt. I Lindqvists teori framträder begreppen; tema, drama, gestaltning, lekmiljö, lekvärld och fantasi, som centrala. Begreppen använder jag för att rikta samtalet i mina intervjuer och för att förklara och förstå vid analys samt redogörelse av mitt resultat. Jag har identifierat olika faser i förskollärarnas arbetsprocess. Dessa faser presenterar jag som mitt resultat, exempelvis “starten”, “syftet”, “välja tema”, “bygga lekvärld”. Varje fas innehåller utmaningar som förskollärarna behöver lösa. En slutsats jag kan dra av min studie är att gestaltande lekpedagogik inte endast är en metod, ett förhållningssätt eller drama. Gestaltande lekpedagogik är något kollektivt som byggs upp tillsammans genom ett gemensamt prövande under en längre tid. Det är en utvecklingsprocess utan slut. / The goal of this study is to examine and illustrate how drama pedagogy as a working process can get started and be continued. To get the teachers own stories and perspectives, I chose to interview them. My study is based on Lindqvist theory (1996) of drama pedagogy. According to Lindqvist, you let the theoretical and the aesthetics subjects cooperate in drama pedagogy. Playworlds are built, drama is used, the children create a purpose and the learning becomes joyful. Lindqvists theory contains different concepts that are central, such as; theme, drama, playworld and fantasy. I use these concepts to guide the conversations in my interviews and to explain my analysis and to submit the result. I have identified different phases in the pre-school teachers' working process. I submit these phases as my result, for example “the start”, “the purpose”, “choosing of theme” and “building a playworld”. Every phase contains challenges that the pre-school teachers have to solve. I have made one conclusion from my study, namely that drama pedagogy is not only a method, an approach or drama. Drama pedagogy is something collective that is built together through cooperative testing during a longer time, it´s a developing process without end.
4

Niches of Activity and Reprieve: An Architectural Induction in Service of Environmental Presence

Collins, Joshua 25 November 2011 (has links)
Design is the meeting of the processes that one employs and the intentions that one brings. Exploring an inductive methodology situates the design environmentally. The inherent dynamic and constructive processes, which arise from the qualities of methodological inquiries, are the basis for the inhabitation within place. An inductive process began by exploring the role of aural perception prior to contextual and design intentions. This resulted in a strong emphasis on experience and presence. Research into analogous disciplines resulted in an exploration of methods that facilitate the inductive operations of media, particularly noise. The provision of a contextual framework for observations provided order to method. A strategy was posited, where the development of constructs that addressed the entire range of environmental dimensions, from site to structure, could supply integrity to the situation of contextual forces; their tension and release. Hence, a general theory for the constructive inhabitation of place.
5

Posouzení informačního systému firmy a návrh změn / Information System Assessment and Proposal for ICT Modification

Černín, Ondřej January 2017 (has links)
The master thesis is focused on the assessment of the company information system and the proposal for changes. Primarily, the thesis focuses on adding new module Wages and Human Resources to existing information system. As the second part of the implemented change, proposals are presented in the work to improve the current situation in the field of information security.
6

Commissioning new applications on processing machines: Part I - process modelling

Troll, Clemens, Schebitz, Benno, Majschak, Jens-Peter, Döring, Michael, Holowenko, Olaf, Ihlenfeldt, Steffen 08 June 2018 (has links)
The subject of this splitted article is the commissioning of a new application that may be part of a processing machine. Considering the example of the intermittent transport of small-sized goods, for example, chocolate bars, ideas for increasing the maximum performance are discussed. Starting from an analysis, disadvantages of a conventional motion approach are discussed, and thus, a new motion approach is presented. For realising this new motion approach, a virtual process model has to be built, which is the subject of this article. Therefore, the real process has to be abstracted, so only the main elements take attention in the modelling process. Following, important model parameters are determined and verified using virtual experiments. This finally leads to the possibility to calculate useful operating speed–dependent trajectories using the process model.
7

Srovnání vybraných způsobů ocenění rodinných domů ve Znojmě a přidružených obcích / Comparison of Selected Methods of Valuation of Family Houses in Znojmo and its Affiliated Villages

Oremba, Lukáš January 2011 (has links)
Thesis, Comparison of selected methods of houses’ evaluation in Znojmo and associated communities, explains some of the currently used valuation methods. It also deals with comparison of prices which were determined by selected valuation methods. Those methods include cost approach, comparative method, the current price and the price of time. It accentuates the consideration of coefficient within connecting into utility networks – especially sewer. Then it focuses on ways of heating. The aim of this thesis is to find out how the aspect of connecting into utility networks is involved in methods of heating. For the evaluation there were selected 10 houses in Znojmo and associated communities.
8

Entwicklung des selbstregelnden Drückwalzens

Laue, Robert 18 January 2024 (has links)
Die Verbesserung der Energie- und Ressourceneffizienz stellt eine zentrale Aufgabe für die Produktionstechnik dar. Inkrementelle Verfahren wie das Drückwalzen weisen bereits aufgrund ihres Prozessprinzips ein hohes Potenzial zur Ressourceneffizienz auf. Allerdings besitzen diese Verfahren eine Vielzahl von Einflussfaktoren auf das Prozessergebnis, die zudem in Wechselwirkung zueinander stehen. Die Folge schwankender Prozesseinflussgrößen (z. B. Chargenschwankungen oder variierende Halbzeuggeometrie) ist häufig Bauteilausschuss, der sich aufgrund der meist kleinen bis mittleren Losgrößen stärker auf die Produktivität auswirkt. Die Weiterentwicklung von gesteuerten zu selbstgeregelten Umformprozessen mit Prozessrückkopplung bietet ein großes Potential zur Verbesserung der Ressourceneffizienz. Im Rahmen dieser Arbeit werden die Grundlagen und Vorgehensweise zur Realisierung des selbstregelnden Drückwalzens erarbeitet. Nach der Analyse und Bewertung von Störungen auf die Prozesseinflussgrößen erfolgt die Definition eines Referenzzustandes und von Störszenarien. Auf Basis experimenteller Untersuchungen wird der Referenzzustand analysiert und ein digitaler Zwilling des Drückwalzprozesses entwickelt. Mit dessen Hilfe erfolgt die Bewertung der Störszenarien. Anschließend wird ein methodisches Vorgehen vorgestellt, mit dem das selbstregelnde Drückwalzen beliebiger Zielgrößen entwickelt werden kann. Im digitalen Zwilling werden zusätzlich ein virtueller Sensor, der Regelalgorithmus und die Aktordynamik integriert und damit die Selbstregelung für eine Prozessgröße und ein Prozessergebnis ausgelegt und untersucht. Mit den gewonnenen Erkenntnissen wurde das selbstregelnde Drückwalzen erstmals erfolgreich experimentell umgesetzt. Die in der Arbeit vorgestellten Ergebnisse zeigen eine signifikante Reduzierung des Einflusses von Prozessstörungen auf das Prozessergebnis durch die Selbstregelung. / Improving energy and resource efficiency is also a key challenge for production technology. Incremental processes such as flow-forming already have a high potential for resource efficiency due to their process principle. Flow-forming has a large number of influencing process parameters that also interact with each other. Fluctuating process parameters (e.g. batch fluctuations or varying semi-finished product geometry) can result in component scrap, which has a major influence on productivity due to the mostly small to medium batch sizes. The further development of controlled to self-controlled forming processes with process feed-back offers great potential for improving resource efficiency. In this thesis, the basics and the procedure for the realization of self-controlled flow-forming are developed. After the analysis and evaluation of disturbances on the process influencing variables, a reference state and disturbance scenarios are defined. The reference state is analyzed on the basis of experimental investigations and a digital twin of the flow-forming process is developed. This is used to evaluate the disturbance scenarios. Subsequently, a methodical procedure is presented to develop self-controlled flow-forming of any process parameter or process result. A virtual sensor, the control algorithm and the actuator dynamics are also integrated into the digital twin to design and investigate the self-control for a process parameter and a process result. Based on the knowledge gained, self-controlled flow-forming was successfully implemented experimentally for the first time. The results show a significant reduction of the influence of process disturbances on the process results.

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