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Postma, Thies (author)
This study presents a novel approach for evaluating the effects of dynamic disturbances on optical performance using sensitivity analysis. The computation of optical performance for perturbed optical systems is too costly with state-of-the-art analysis software when applied in the use case for the optimization of the optomechanical interface,...
master thesis 2024
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Postma, Marijn (author)
The urgent need for marine transportation to reduce CO2 emissions has led to considering alternative energy and storage sources. The resulting increase in the complexity of powerplant architectures led to the development of advanced control strategies to achieve energy savings. At the same time, the health status of components has been often...
master thesis 2023
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Schreuder, Camiel (author), van Bohemen, Robin (author), Speetjens, Simon (author), Postma, Marijn (author)
This report will give an in depth view on the technical feasibility of placing an offshore platform from which watersports can be practiced in the waters surrounding the island of Bonaire. The feasibility research is done by appointment of two entrepreneurs on the island of Bonaire. The report will give an answer to the research question: Can an...
student report 2022
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Postma, Marco (author)
Traditional trains, with steel rails and wheels, have been around for centuries. The very good energy efficiency of steel-wheeled trains is one of the reasons that they are one of the more promising transportation modes in the future, where energy conservation becomes more and more important. Furthermore, electric trains are able to efficiently...
master thesis 2021
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Postma, Jelmer (author)
Surface compositions play a predominant role in the efficiency and lifetime of membranes and catalysts. The surface composition can change during operation due to segregation, thus controlling and predicting the surface composition is essential. Computational modelling can aid in predicting the alloy's stability, along with designing surface...
master thesis 2021
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Postma, Jeroen (author)
Recent studies in game-theory provided ways to steer multi-agent games to their Nash equilibrium by means of a decentralized approach. However, these approaches have not considered the internal dynamics of the individual agents. This thesis work provides decentralized control methods to account for these internal dynamics whilst ensuring that...
master thesis 2020
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Kraaijeveld, Michael (author), de Gruijl, David (author), Postma, Marco (author), Roos, Stefano (author), de Groot, Daan (author), van der Meijs, Emiel (author)
In this thesis, the implementation of a passive, chipless, frequency coded Radio-Frequency Identification (RFID) tag for bedload transport studies is proposed. The proposed tag will be deployed in the semi-arid Río Colorado river, Bolivia with the aim to develop quantitative sediment transport models that relate transport to grain size. The...
bachelor thesis 2019
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Wervers, Michel (author), Postma, Maima (author)
At this time, sensor developers rely on their own circuit board designs to test new sensors. This means a lot of time and money is spent on designing the custom interface for every newly designed sensor. This report describes a way to have a configurable test bench for sensors. The system consists of a data acquisition unit and multiple circuit...
bachelor thesis 2019
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Postma, T.J.W. (author)
Over the past decade, a steep increase in the number of seismic events has been observed in the Groningen gas producing region of the Northern Netherlands. It is generally accepted that these are induced by compaction of the reservoir rock due to extensive field depletion, causing a buildup of strain energy which may be released seismically when...
master thesis 2017
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Postma, Louise (author)
The specific issue researched in this thesis is correcting some inaccuracies that occur when the robot is polishing<br/>certain shapes. The biggest challenge is to mathematically describe this phenomenon in order to find<br/>an appropriate correction. Since there are a lot of influences in the process (friction, movement, impact, degrees<br/>of...
master thesis 2017
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Postma, T.M. (author)
A solar powered micro gas turbine is a new technique which is currently under development. Although promising, a turbocharger as replacement for a micro gas turbine could provide a simple, compact and low cost alternative. Therefore this research focusses on the energetic and technical performance expectations of a turbocharger based solar micro...
master thesis 2016
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Postma, M.G. (author)
This study describes the stability of rock on a mild slope (e.g. milder than 1:6) under wave loading. This is done because an increasing number of situations occur where mild foreshores are protected from the wave and currents. The empirical stability formula, designed by VAN DER MEER [1988], is not valid for these kind of slopes. Nonetheless,...
master thesis 2016
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Postma, L. (author)
In a world where resources are wasted as products are unused, it is time for a new way of sharing products. What if you don’t own a product but still have access to it? It’d be an ownerless product. This graduation project emphasises the best user experience of such a product and reimagines a new product-service system from the ground up, by...
master thesis 2015
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Postma, J.H. (author)
Conventionally programmed systems (e.g. robots) are not able to adapt to unforeseen changes in their task or environment. Reinforcement learning (RL), a machine learning approach, could grant this flexibility. Many fields of work could greatly benefit from this, be it in terms of cost, time or some other parameter. With RL, a learning agent...
master thesis 2015
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De Boer, G.G. (author), Schlepers, M.H. (author), Aggarwal, A. (author), Willemsen, G. (author), Rip, J. (author), Jansma, J. (author), Jansen, L.J.M. (author), Rafiq, S.W. (author), Postma, M.G. (author), Palaiogianni, N. (author), Hanssen, J.L.J. (author), Loozen, M.M. (author), Van den Bosch, B.A.P. (author), Fotis, G. (author), De Louw, R.M.J.G. (author), Meijerink, E. (author)
This report is the final part of the course CIE5318 Fieldwork Hydraulic Engineering at the TU Delft. In this course a group of international students from the TU Delft a and the Varna Free University visit the coast of the Black Sea. During their weeks visit they do field research in Varna, Bulgaria and visit the harbor of Constanta, Romania....
student report 2014
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Postma, M.L. (author)
In this thesis a morphodynamic model of a tidal embayment, first studied in Schuttelaars & de Swart (1996), will be described and investigated. The difference with the rectangular embayment in Schuttelaars & de Swart (1996) is that the width is described with an exponential function. We focus here on the width averaged solutions. This gives us a...
bachelor thesis 2014
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Postma, A.M. (author)
In the current information age the Internet allows us to gather and analyze more data than ever which can easily lead to a persons’ cognitive limits. With data visualization one could relieve cognitive load, which means that the analysts will have more cognitive power to think about patterns or relations within the dataset. In this study, Design...
master thesis 2014
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Postma, R.D. (author)
De stad Den Haag heeft zich in het structuurplan 2020 voorgenomen zich te willen etaleren als een stad met internationale allure. De Noordzeekust wordt gezien als een van de onderbelichte kwaliteiten van de stad, een waarde die de komende jaren door de gemeente extra onder de aandacht gebracht zal worden. In eerste instantie wordt bij het...
master thesis 2012
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Postma, A.M. (author)
master thesis 2005
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Postma, B. (author)
In Nederland wint sinds kort het boren van tunnels steeds meer aan terrein. Er is echter nog weinig bekend omtrent het boorproces van het gronddrukbalansschild in zandige formaties en het gebruik van schuim als konditioneringsmiddel. Inzicht in de invloed van de konditionering op de besturingsparameters van het gronddrukbalansschild is derhalve...
master thesis 1996
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