Searched for: subject:"process"
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Studer, Julia (author), Dransfeld, C.A. (author), Jauregui Cano, Jon (author), Keller, Andre (author), Wink, Marianne (author), Masania, Kunal (author), Fiedler, Bodo (author)
To reduce the cycle time of structural, automotive thermoplastic composites, we investigated the potential of direct thermoplastic melt impregnation of glass fabrics using an injection moulding process. At the high pressures that occur during the process, the effect of the fabric architecture on the impregnation, compaction, volume fraction...
journal article 2019
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Sherson, T.W. (author)
Following their conception in the mid twentieth century, the world of computers has evolved from a landscape of isolated entities into a sprawling web of interconnected machines. Yet, given this evolution, many of the methods we use for allowing computers to work together still reflect their inherently isolated origins with the aggregation of...
doctoral thesis 2019
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Walraven, E.M.P. (author)
Developing intelligent decision making systems in the real world requires planning algorithms which are able to deal with sources of uncertainty and constraints. An example can be found in smart distribution grids, in which planning can be used to decide when electric vehicles charge their batteries, such that the capacity limits of lines are...
doctoral thesis 2019
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Zwartkruis, Titus (author)
The aircraft leasing industry is still operating like it is 1980, the transfer of boxes filled with paper, a scattered information landscape, opposing interests and almost zero digitisation result in significant lease transition cost. Blockchain might change this. Although other technologies exist, Blockchain can given its characteristics be an...
master thesis 2019
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Kusters, Jasmijn (author)
Since 2011, an electronic registration system, called the OV chip card, has been in use in the Netherlands for the payment of all public transport. As a result, the Dutch Railways (NS) have implemented all the necessary equipment to support the sales and validation processes of this system. Another company (Thales, the agent) has been hired to...
master thesis 2019
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Grift, Misha (author)
The beginning of the millenium has initiated the transformation of the space market to a globally private space industry, distinguished by relatively young and commercially minded aerospace businesses, which is known as NewSpace. Airbus Defence and Space Netherlands B.V. (Airbus DS NL) aspires to anticipate on this transition and has initiated...
master thesis 2019
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van der Linden, Leona (author)
Voice user interfaces (VUI) have arrived. Worldwide, this technology is in the lift and enabling the exchange of information through voice interactions. As a result of the growing popularity of this technology, companies fanatically started with the designing of their own skills and/or actions. But although, this over-enthusiasm, leaves the ‘why...
master thesis 2019
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van der Wiel, Door (author)
With the upsurge of disruptive trends such as digitalisation and automation, organisations have become more vulnerable to the consequences of these disruptive trends. The Harbourmaster is responsible for facilitating a safe and efficient port-call-process. Digitalisation and automation might lead to opportunities and threats in the port-call...
master thesis 2019
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Nalmpantis, Dimitrios (author), Roukouni, A. (author), Genitsaris, Evangelos (author), Stamelou, Afroditi (author), Naniopoulos, Aristotelis (author)
Introduction: The use of participatory techniques in the field of transport is coming to the forefront recently. In this frame, eight co-creation workshops and five online crowdsourcing campaigns took place in Thessaloniki, Southern Tuscany, Rotterdam/The Hague, and Frankfurt, from which many innovative ideas to enhance Public Transport were...
journal article 2019
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Chen, Z. (author), Qu, Ying xia (author), Zeilstra, Christiaan (author), van der Stel, Jan (author), Sietsma, J. (author), Yang, Y. (author)
emission. Information of phase transformation is essential for reaction analysis of the cyclone reactor of the HIsarna process. In addition, data of density and volume of the ore particles are necessary for estimation of the residence time of the particles in the cyclone...
journal article 2019
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Swuste, P.H.J.J. (author), van Nunen, Karolien (author), Reniers, G.L.L.M.E. (author), Khakzad Rostami, N. (author)
Major accidents in Western countries, receiving a lot of media attention in the 1970s, are starting point for research into internal and external domino effects in the chemical and petrochemical sectors and clusters. Initially, these reports are published by government institutions and government-related research centres. With the upcoming...
review 2019
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Deen, Gerrit (author)
Wind Power Producers (WPP) incur a negative result through mandatory participation on the balancing market. This study analyzes the performance of multiple improved offering strategies for a WPP offering both on the day-ahead market and the balancing market. It does so on revenue, as well as its impact on the grid and electricity market as a...
master thesis 2019
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Lagerweij, Pascal (author)
Nowadays, reinforcement learning algorithms on Markov decision processes (MDPs) face computational issues when the state space is large. To reduce this state space of a MDP several state aggregation, or clustering, methodologies have been applied. Recently, a new clustering algorithm has been proposed that is able to cluster states from a single...
master thesis 2019
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Wout, Daan (author)
A prevalent approach for learning a control policy in the model-free domain is by engaging Reinforcement Learning (RL). A well known disadvantage of RL is the necessity for extensive amounts of data for a suitable control policy. For systems that concern physical application, acquiring this vast amount of data might take an extraordinary amount...
master thesis 2019
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Głowacki, Piotr (author)
Metamaterials are a new class of materials where the properties crucially depend on the design of the unit cell that is periodically repeated in space. In this study a new metamaterial unit cell concept has been proposed, inspired by a class of space structures known as deployable masts. The ability of these structures to contract to a fraction...
master thesis 2019
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de Wit, Daan (author)
This thesis provides insight into how the design approach, also known as ‘Design Thinking’ could be implemented in infrastructure planning processes. This is done with the objective to prevent premature convergence, which means, too early choosing for a solution by which other valuable alternatives are ‘killed off.’ By preventing premature...
master thesis 2019
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Danarianti, Renita (author)
The rapid growth of commercial drone raises concern regarding its close operation to the public. This research aims to support the development of commercial drone that also align with the concept of responsible research and innovation. To achieve this aim, first, the development of drone technology will be analyzed by identifying the influence...
master thesis 2019
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Adatrao, S. (author), Sciacchitano, A. (author)
A novel approach is introduced that allows the elimination of undesired laser light reflections from particle image velocimetry (PIV) images. The approach relies upon anisotropic diffusion of the light intensity, which is used to generate a background image to be subtracted from the original image. The intensity is diffused only along the...
journal article 2019
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van der Spek, Rutger (author)
In this thesis, the relation between the generator of the OrnsteinUhlenbeck process and the Hamiltonian of the quantum harmonic oscillator is used to derive a new understanding of the evolution of certain quantum states. More precisely, we transform the Hamiltonian with respect to the ground state and corresponding eigenvalue to find that it is...
bachelor thesis 2019
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van Korlaar, Arent (author)
Turbulence closure models will continue to be necessary in order to perform computationally affordable simulations in the foreseeable future. It is expected that Reynolds-averaged Navier-Stokes (RANS) turbulence models will still be useful with the further development of the more accurate, but computationally expensive large eddy simulation (LES...
master thesis 2019
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