Searched for: subject:"improvement"
(21 - 40 of 107)

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Bruijn, Willem (author)
A complex marine project consist of series of operations, with each operation subject to a predefined operational limit and duration, depending on the equipment being used. If actual weather conditions exceed the operational limit, then the operation cannot be executed and hence downtime occurs. It is up to contractors, such as Boskalis, to...
master thesis 2017
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Driessen, Rick (author)
In recent years, the Netherlands Ministry of Defence (MoD) modelled, standardized, and digitally secured many of its organization-broad business processes. However, MoD experiences great difficulty in gaining insights in these processes and steering them productively. The novel business process analyses method Process Mining appeared to be a...
master thesis 2017
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Oxarango, L. (author), François-Lopez, E. (author), Mor, H. (author), Béguin, R. (author), Esnault-Filet, A. (author)
conference paper 2017
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Dash, Amitosh (author)
People living or working close to the highways are at risk to higher exposure levels of different air pollutants, one of which is particulate matter. The Antea group has recently proposed the addition of Electrostatic Precipitators (or ESPs) on the top of sound barriers adjacent to highways, in order to capture the particulate matter and safely...
master thesis 2017
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van Bouwelen, Björn (author)
There is a never-ending quest to search for better ways of planning and controlling projects. Currently the majority of all projects are planned with the critical path method and controlled using earned value management. This way of planning and controlling projects has been used for decades now and can be seen as traditional project management ...
master thesis 2017
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Wansink, Jan-Douwe (author)
Changing market dynamics make that mining companies need to increase their equipment utilization and use their equipment more effectively. The growing availability of data from mining equipment and mining operations enables the use of data analytics to achieve that goal. This thesis explores the potential of data analytics and machine learning...
master thesis 2017
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Gunawan, Helmi (author), Bressers, Hans (author), Mohlakoana, Nthabi (author), Hoppe, T. (author)
Climate policy has a strong influence on policy processes at national levels in Indonesia, while other policies with a focus on air quality improvement are being implemented at local levels. Indonesia as a developing country has committed to reducing greenhouse gas (GHG) emissions by 29 percent by the year 2030. This calls into question the...
journal article 2017
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Lenchenkov, N. (author)
In many oil fields, water is injected into a reservoir to displace oil to the production wells. During the injection process, oil is pushed by water towards production wells which have a lower pressure than the rest of the reservoir. If the reservoir is homogeneous, then a good sweep efficiency of the water flood process is expected. However,...
doctoral thesis 2017
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Gorter de Vries, A.R. (author), Pronk, J.T. (author), Daran, J.G. (author)
Chromosomal copy number variation (CCNV) plays a key role in evolution and health of eukaryotes. The unicellular yeast Saccharomyces cerevisiae is an important model for studying the generation, physiological impact, and evolutionary significance of CCNV. Fundamental studies of this yeast have contributed to an extensive set of methods for...
journal article 2017
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van Donkelaar, A. (author)
The current developments in the world result in increasing tensions between different countries. This increasing tension requires materials that are available when needed. Major budget cuts have resulted in the disposal of six multipurpose frigates which has reduced the total amount of frigates owned by the Royal Netherlands Navy from twelve to...
master thesis 2017
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Jacquemijns, J. (author)
The thesis is about process improvements in L’Oréal’s distribution center. A framework is developed based on the DMAIC approach, process improvement methodologies and solution evaluation methodologies. The current process is discussed and with the Lean Six Sigma philosophy measures of improvement are developed. The requirements for the...
master thesis 2017
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Rehman, S.U. (author), Langelaar, M. (author)
We present a novel approach for efficient optimization of systems consisting of expensive to simulate components and relatively inexpensive system-level simulations. We consider the types of problem in which the components of the system problem are independent in the sense that they do not exchange coupling variables, however, design...
journal article 2017
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Rehman, S.U. (author), Langelaar, M. (author)
A novel adaptive sampling scheme for efficient global robust optimization of constrained problems is proposed. The method addresses expensive to simulate black-box constrained problems affected by uncertainties for which only the bounds are known, while the probability distribution is not available. An iterative strategy for global robust...
journal article 2017
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Filippidou, F. (author), Nieboer, N.E.T. (author), Visscher, H.J. (author)
Energy renovations offer unique opportunities to increase the energy efficiency of the built environment and for the existing housing stock, they are the most important solution. Usually, energy savings are based on modelling calculations. However, recent research has shown that the predicted energy consumption differs largely from the actual...
conference paper 2017
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Bui, N.C. (author)
The investigation into the dynamic behavior of a cable during installation was done with the aim of improving cable installation for safety, operational and commercial value. In order to increase the operational limit of the vessel during cable installation, the investigation into improvement systems was desired. The workability of a vessel...
master thesis 2016
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van Hoof, S. (author)
In Walla Walla, Washington the Mill Creek flows through an outdated concrete spillway that needs renovation. The city council of Walla Walla saw this as an opportunity to further develop this channel. Their desires include conservation of the fish ladder, enabling to sail by boat and to prettify the spillway. A Sobek 1D model was built to give a...
bachelor thesis 2016
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Marie, A.H.L. (author)
Royal Dutch Airlines (KLM) and the Technical University Delft, faculty Industrial Design Engineering (IDE) are working together on the Personalised Airport System for Seamless Mobility and Experience (PASSME) project.. There are two problems derived from the PASSME project. First, airport processes are not seamless, because passengers spend...
master thesis 2016
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Janmahomed, F.R. (author)
Many authors already made an attempt to understand the effect of load-cycling on material strength and the evolution of elastic parameters. However, until now there was no study on the effect of load-cycling on the evolution of elastic parameters over the complete stress strain curve, i.e. the linear elastic regime, the fracturing regime, and...
master thesis 2016
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Garay Garcia, O. (author)
Energy reduction has been on the political agenda since the last couple of decades. One of the most common policies to reduce energy consumption has been improving efficiency. However, the phenomenon called the rebound effect may threaten the effectiveness of policies aiming to reduce consumption by improving efficiency. The rebound effect is...
master thesis 2016
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Van Rijssel, R.E. (author)
In this thesis a framework is built to find flow improvement measures to lower the turnaround time for aircraft component MRO processes. This framework is tested in a case study at KLM E&M. The main research question that is answered in this research is: What flow improvement measures can be used to lower the turnaround time of components in...
master thesis 2016
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