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Jenema, A.R. (author)The thesis reports on the Dutch railway infrastructure manager ProRail, on the literature study, on the determined Top 10 of maintenance activities that are determining the maintenance schedule, on the developing of the optimization model that finds such a maintenance schedule, and finally on the results and conclusions.master thesis 2011
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Holt, S. (author)The upstream oil and gas industry focuses increasingly on unconventional gas resources to maintain the level of its hydrocarbon reserves. To unlock the full potential of gas shale reservoirs, horizontal wells are drilled and active stimulation of the reservoirs, in the form of multi-stage hydraulic fracturing, is performed. This new technique...master thesis 2011
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Koerselman, J.R. (author)A design methodology for composite space enclosures was generated. As a result a panel of an electronics housing structure, as part of a general satellite traversing both GEO and LEO, was designed and optimized. A mass saving of 18% was achieved over a conventional aluminum panel, while assuring structural integrity for acceleration loads,...master thesis 2012
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Mariens, J. (author)Multidisciplinary design optimizations have shown great benefits for aerospace applications in the past. Especially in the last decades with the advent of high speed computing. Still computational time limits the desire for models with high level of fidelity cannot be always fulfilled. As a conse- quence, fidelity is often sacrificed in order to...master thesis 2012
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Amirtha, T.R. (author)Existing re-calibration methods for instrumented treadmills have mainly been performed when the instrumented treadmill has been in static operation i.e. the belts are not running. The effect re-calibrating during experimental operation, i.e. while the belts are running, on the ground reaction force (GRF) and the center of pressure (CoP) accuracy...master thesis 2012
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Backx, J.J.A.M. (author)In this research a decision model designed for the optimal planning of maintenance for road constructions to a particular section of a highway for a longer period. Optimal refers to the minimization of construction maintaining the required quality of the product and performance conditions. The optimization problem consists of assigning...master thesis 2012
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Musegaas, P. (author)The optimization of high-thrust interplanetary trajectories continues to draw attention. Especially when both Multiple Gravity Assists (MGA) as well as Deep Space Maneuvers (DSMs) are included, the optimization is typically very difficult. The search space may be characterized by a large number of minima and is furthermore very sensitive to...master thesis 2013
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Shankar, A. (author)A clustered architecture is a viable design choice when aiming to increase the performance of a VLIW processor while avoiding the hardware complexity and increased access times associated with a centralized register file. However, this places additional responsibility on the compiler: the production of an efficient cluster assignment. In this...master thesis 2013
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Kwasieckyj, B. (author)A hybrid propulsion system features both a diesel engine and an electric motor for propulsion. The degrees of freedom with power generation raise the question how this division between power can be optimised in such a way that the engines are running with their optimal fuel efficiency. A generalised method to determine the power generation for...master thesis 2013
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Zegov, L.T. (author)Compressive sensing (CS) provides a new paradigm in data acquisition and signal processing in radar, based on the assumptions of sparsity of an unknown radar scene, and the incoherence of the transmitted signal. The resolution in the conventional pulse-compression radar is foreseen to be improved by the implementation of CS. An unknown sparse...master thesis 2013
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Jansen, P.R. (author)CB&I is experiencing an issue in a new project to be executed in Russia, named NKNK. Despite the rich experience CB&I has with projects, there is a continuous struggle with the sourcing process in projects which it involves financing by multiple export credit agencies. The issue at stake is, CB&I does not know beforehand in which countries it is...master thesis 2013
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Gersen, C.M. (author)Object-Relational Mapping (ORM) frameworks can be used to fetch entities from a relational database. The entities that are referenced through properties are normally not fetched initially, instead they are fetched automatically by the ORM framework, when they are used by the application. This is called lazy-fetching and can result in many...master thesis 2013
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Borren, A.J. (author)AkzoNobel Energie Voorzienings Bedrijf (EVB – Energy Supply Company) is located at the Botlek business park in Rotterdam. EVB produces and supplies energy and utilities to other production plants at the Botlek site. Due to the intertwined value chain and reuse of each other’s residual and waste products, the situation at the Botlek is...master thesis 2013
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Christodoulou, A. (author)The separation between architect and engineer is a relatively recent event, in comparison to the long history of human constructions. In modern times the separation of the two professions and the involvement of engineers in later design stages has proved problematic, because of the large effort needed to make changes in later design stages. On...master thesis 2013
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Zhang, F. (author)For the degree of Master of Science in Transport & Planning at Delft University of Technology.master thesis 2013
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Alim, M. (author)Constrained optimization is the process of optimizing an objective function with respect to some variables in the presence of constraints on those variables themselves or on some function of those variables. This thesis focused on using the Ensemble Optimization method to improve the NPV (Net Present Value) as the objective function of...master thesis 2013
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Bischiniotis, K. (author)This research follows a fully probabilistic approach in order to estimate the optimal design for a river dike cross-section, taking into account the investment costs. From the theory studied, the failure mechanisms that contribute most to the failure of river dikes are identified. These are overflowing, wave overtopping, piping and inner slope...master thesis 2014
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Smidt, D.M. (author)This research is twofold. Firstly it treats the complexity of design using a computational intelligent method to achieve, with regard to a limited set of goals, high performing designs. Secondly, an architectural and structural challenge to conceptually design a freeform roof framework, which integrates structural rigidity and non-standard...master thesis 2014
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Boudestijn, E. (author)Develop the basis for a TU Delft Astrodynamics Toolbox (Tudat)-based software tool that comprises the fundamental functionalities required in order to optimize low-thrust Earth-centered orbit transfer trajectories for the preliminary mission design phase. Motivation: contribution to Tudat and facilitate case studies for the MicroThrust consortium.master thesis 2014
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Dobrochinski, J.P.H. (author)Large capital and maintenance dredging operations are required to ensure the accessibility of many ports. The expenses associated with the dredging operations can have a significant impact on the finances of these ports. Therefore, considerable attention to the design of the width and depth aspects of access channels is justifiable. This study...master thesis 2014