Active Inference for Graph Exploration and Searching in Unknown Environments: An Application to Mobile Robots

The autonomy of mobile robots has been greatly improved in recent decades. For these robots, the field of search and rescue is of particular interest. This thesis introduces a new method to let a mobile robot (Spot by Boston Dynamics) explore and search for victims in unknown environments. Existing methods include coverage, which aims to fully...

The Northern European Enclosure Dam: A multidisciplinary project on the effects of the NEED

Many low-lying densely populated areas and important economical regions in Europe are threatened by sea level rise. \cite{groeskamp2020need} suggest an international cooperation to be able to protect these areas if climate change mitigation fails: the construction of the Northern European Enclosure Dam (NEED). In this research first order...

Sediment transport pathways in Burrard Inlet

Burrard Inlet (Vancouver, Canada) has been the home of the Tsleil-Waututh Nation (TWN) for thousands of years. Over the past decades, ongoing erosion has been observed along the shores of Burrard Inlet and the TWN reserve specifically. This leads to loss of land for the TWN community, damage to infrastructure, and exposure of historic sites with...

Project management in circular building projects: Developing a framework supporting the re-use of components

The environmental pressure on the planet and its limited capacities has resulted in the need for new building methodologies that respect this limited capacity. Building methods based on the principles of the Circular Economy could pose an answer to this problem. However, limited knowledge and tools are available to bring this into practice. This...

Indoor localisation based on point clouds of the ceiling: Syntheses Project 2019

Indoor localisation is a highly relevant topic. It can be used for many applications,<br/>such as indoor navigation. Current indoor localisation approaches all have certain<br/>downsides. In this report, the results of a completely new indoor localisation approach are described. The aim of this approach is to perform indoor localisation on room...

Direct Analysis on Point Clouds: Geomatics Syntesis Project 2019

With the rapid growth in point cloud acquisition technologies the recent years we have the ability to measure large quantities of 3D points of significantly detailed and geometrically composite scenes such as urban environments. This advantage can be exploited and used for direct analysis on point clouds. A direct point cloud analysis has...

Implementation of the BiCGSTAB method for the Helmholtz Equation on a Maxeler Data Flow Machine

To get a clear picture of the earth crust the Helmholtz equation needs to be<br/>solved and a high wave number is needed in order to provide fine grain details.<br/>The Stabilised BiConjugate Gradient method needs to be implemented to solve<br/>the Helmholtz equation. This is done on a Maxeler data flow machine to improve<br/>calculation times....

Development of the Generalised Hybrid Turbulence Model for RANS simulations

Turbulence plays an important role in a broad range of engineering applications. In the industry RANS simulations are a common method for predicting turbulent flow. A broad range of RANS turbulence models have been developed over the past decades. For the assessment of complex three-dimensional flow fields Reynolds Stress Transport Models are a...

Performance of RANS turbulence models for the numerical simulation of the flow affected by micro vortex generators

Additional thesis with a size of 10 European Credits. The increasing demand for wind energy has led to the development of more efficient wind turbines. A common way to increase the performance of wind turbines is the use of vortex generators. Vortex generators are small devices that are mounted on the turbine blade and they create a stream wise...

Project Pointless: Identifying, visualising and pathfinding through empty space in interior point clouds using an octree approach

The direct use of explorative point cloud data for calculations, observations and classifications.

Low frequency flanking sound transmission in lightweight buildings

This thesis researched flanking sound transmission, focusing on lightweight structures and low frequency sounds. Finite elements models have been made to simulate the velocity level difference between two floors, with the goal to understand and improve the flanking sound transmission, Three floor variants were designed with the aim to reduce the...

Implementeren van een versnelling van de CONTACT-programmatuur met behulp van de Graphics Processing Unit

Het versnellen van CONTACT door het implementeren van Fast Fourier Transformaties op de GPU met de CUDA en de cuFFT bibliotheek. Met daarna onderzoek over wat de versnelling van de FFTs kan zijn.

Implementation and testing of variable scale topological data structures: Experiences with the GAP-face tree and GAP-edge forest

With the increase of the availability of large-scale geographic data set and the rise of widespread computer networks, such as the Internet, the need has arisen to be ableto transfer this data by means of these networks. The networks form the basis for a Geographic Information Infrastructure (GII), in which data users, data providers and data...

Het gloeien van TiN lagen afgezet met Chemical Vapour Deposition op Mo en MgO: Met behulp van Röntgendiffractie waargenomen veranderingen na verschillende gloeibehandelingen

Gerichte grensdetectie in een digitaal beeld mbv. dynamisch programmeren

aanwezigheid van een grens of lijn. In deze scriptie wordt de precisie van een positionele procedure nader bestudeerd. De automatische procedure bestaat op de eerste plaats uit een gerichte grens- en lijndetectie m.b.v. dynamisch programmeren (locatie bepaling). Gericht wil zeggen, dat aanwezige voorkennis uit een GIS-oude toestand wordt...

Ontwikkeling van enkele software routines voor digitale beeldverwerking in de remote sensing

Het uitgevoerde project heeft zich niet toegespitst op één onderwerp, maar diende als softwarematige ondersteuning van het onderzoek bij de groep Remote Sensing. Dit veelzijdige onderzoek beslaat de vier deelaspecten van het totale informatie inwinningsproces in de Remote Sensing, namelijk: - gegevensinwinning cq. beeldvorming - voorbewerking -...

ONTWERP VAN EEN STUW IN DE NARMADA

In dit verslag is het resultaat neergelegd van het ontwerp van een stuw in de Narmada (in India). Deze stuw maakt deel uit van een veel groter project namelijk het bevaarbaar maken van de Narmada. Na een globale uiteenzetting van de totale situatie wordt het probleem beperkt tot het bevaarbaar maken van een deel van de rivier. Hiervoor zijn een...