Searched for: subject:"test"
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Aelen, Thomas (author)
Recycled granular materials such as Recycled Concrete Aggregate (RCA) and Recycled Crushed Masonry (RCM) are widely used in The Netherlands as base layers in asphalt pavements. The lack of natural resources and the growing amounts of demolition waste made that the Dutch industries in the early 1980s started to explore the possibilities to use...
master thesis 2019
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de Jong, Joost (author)
This thesis reports on the research and design of a real-time Time-Varying Model Predictive Control (TVMPC) scheme to stabilize a tilt-rotor aircraft with four independently tilting rotors. The aircraft design stems from a prototype system constructed by the drone technology start-up Avy.
First, a motivation is presented for implementation...
master thesis 2019
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Meijer, Friso (author)
From the 3500 kilometers of primary flood defenses in the Netherlands, a third does not comply with the current standards. As a result, over 700 kilometers will be strengthened in the upcoming years. Traditional strengthening of dikes consists of strengthening with soil and requires space that is often not available. Further strengthening of...
master thesis 2019
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Huppes, Niek (author)
After more than 85 years, the iconic Afsluitdijk is in need of a reinforcement. During the latest safety assessment of Rijkswaterstaat the dike did not meet the standards at two components; the amount of wave overtopping (>10 l/m/s) and armour stability. This research goes into detail about the overtopping on the Afsluitdijk. In the new...
master thesis 2019
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Rühl, Timo (author)
The PocketQube is an emerging satellite class, which pushes the miniaturization of space technology beyond the well-established CubeSats, promising rapid design-to-orbit cycles while lowering the cost of accessing space. A showstopper in the success story of nano- and picosatellites are their high mission failure rates. Environmental testing...
master thesis 2019
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Sankar, Balaji (author)
Piezoelectric energy harvesting technology is an alternative source for powering low power electronics. The ability of piezoelectric materials to convert ambient vibrational energy into usable electrical energy is seen as a promising battery-free solution to be used in inhospitable areas to self-power electronics for a longer time with little...
master thesis 2018
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Papadopoulos, Giannis (author)
Large companies suffer from the increasing complexity that exist in their software systems. Evolving their software becomes even harder if we consider that a change in one system can affect several other parts of their software architecture. Especially banks that need to be always complied with regulations, have to constantly make changes in...
master thesis 2018
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Hanif, Ali (author)
PV-Battery Integrated Module is a concept of integrating all of the components needed in a PV-battery system. While having several advantages compared to the standard system, the configuration of a PBIM also has a drawback. The batteries are attached to the back of the PV module, which could increase the operating temperature of the battery....
master thesis 2018
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Dai, Yue (author)
A series of accelerated corrosion tests were done by SGS INTRON (commenced by Combinatie Aanpak Maastunnel, constructor of the Maastunnel project) to investigate for a proper repair material for the deteriorated concrete floor in the Maastunnel at Rotterdam. Five types of fiber reinforced mixtures with different tensile behavior ranging from...
master thesis 2018
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de Vrij, Xavier (author)
Uprising innovative technologies like blockchain and the Internet of Things are increasingly changing the energy domain. These disruptive technologies are becoming more mainstream as a result of media attention and are supported by large multinationals like Tesla and Google. This combined with the enormous CO2 emissions due to fossil fuels and...
master thesis 2018
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Gómez Meyer, Eduardo (author)
Soil characterization of the upper 2 meters of the seabed is essential to optimize the design of hydrocarbon fields (mooring systems), wellheads, subsea completions, pipelines, anchors and mudmat foundations (Randolph, 2016). Additionally, it has an increasing importance for geohazard evaluation, particularly in submarine slides. In oceanic...
master thesis 2018
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Yu, Chak Shun (author)
Developers spend the majority of their time and effort on reading and comprehending source code. In order to improve this process of program comprehension for developers, a numerous amount of existing studies have looked into understanding how developers approach it and factors of influence. However, less is known in the field about how...
master thesis 2018
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Belis, Sébastien (author)
The Equivalence Principle is today challenged by some theories attempting to unify General Relativity and Quantum Mechanics. The MICROSCOPE mission thus intents to confirm or overturn this principle by testing the universality of free fall in space with an unrivaled precision objective of 10^-15. The principle of the test relies on the precise...
master thesis 2018
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Tzortzinakis, Marios (author)
The actual shear capacity of existing reinforced concrete solid slab bridges, constructed before 1960 in the Netherlands, is subject of an extensive research nowadays, since additional sources, increasing the total shear capacity of concrete slabs, have been ascertained to be present. In addition, the increasing occurrence of human-induced...
master thesis 2018
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Ribbens, Frank (author)
The competiveness between businesses is continuously increasing and multi-sided platforms seek to reduce cost, increase efficiency and improve the quality of products and services. This research explored the role of blockchain technology as a driver for business model innovation of multi-sided platforms. This case study contributed to scientific...
master thesis 2018
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Daniel, Christian Gerald (author)
The use of synthetic fibres has been reported to enhance the performance of asphalt pavement materials in terms of permanent deformation, fatigue and thermal cracking. However, limited results about the benefits of synthetic fibres in the reinforced warm-mix asphaltic materials, and the exact mechanism of reinforcing the binding part in pavement...
master thesis 2018
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PAPAIOANNOU, Giannis (author)
Sustainable railway systems with less disturbance are highly desired. Insulated rail joint (IRJ) is one important structural component in a railway track. IRJs serve the railway system with two crucial functions: dividing track into sections for signal control and enable the detection of broken rails. An IRJ generally consists of two fishplates,...
master thesis 2018
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Malagi, Santosh (author)
Due to their large number of high-precision, defect-prone manufacturing steps, integrated circuits (ICs) are susceptible to manufacturing defects and hence need to undergo electrical tests to weed out the defective parts and guarantee sufficient outgoing product quality to the customer. A key step in test development for digital logic ICs is...
master thesis 2018
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van den Toorn, Frank (author)
The northern Ghana climatological conditions are favourable for agricultural production. The annual average precipitation of 800-1250 mm/y is theoretically sufficient for farmers to be year-round self-sufficient. However, the majority of precipitation falls in a 4-month wet season spanning from late May to October. As a consequence, the region...
master thesis 2018
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Queroga Caldas, Luiza (author)
Salt caverns formed by solution mining may cause soil subsidence, because the surrounding adapts to fill the void (cavity) created in the strata. The cavern volume is hence not only a function of salt extraction (estimated from mass balance) but also a function of salt creep. The cavern size can be measured by sonar, but a less costly way would...
master thesis 2018
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