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Optical Flow PIV
(2013)A technique to analyze Particle Image Velocimetry (PIV) images with strong refractive distortion is presented. Based on a muti-level optical flow algorithm, the approach has been benchmarked with synthetically generated PIV images, and has been successfully applied to both experimental PIV and Laser Induced Fluorescence (LIF) images. To improve velocity field estimation, new symmetric spline and advection warping methods are proposed ...Master Thesis -
Dynamic Online Trajectory Generation - Acceleration Capabilities Considered for Real-Time Path Planning
(2013)A concept of online trajectory generation for robot motion control systems enabling instantaneous reactions to unforeseen sensor events was introduced in former publications. This thesis extends the existing concept by allowing time-variant kinematic motion constraints being applied online to the algorithms, so that low-level trajectory parameters can now be changed abruptly, and the system can react instantaneously within the same control ...Master Thesis -
Spatial hedonic regression modelling of commercial and office space prices in Singapore
(2013)In this thesis a hedonic regression model for the office, retail and industrial space prices in Singapore is developed and estimated. The data used for the regression analysis is collected from a commercial and a governmental online platform. Therefore asking and transaction prices are available for the office, retail and industrial market. This study uses a hedonic modelling approach for estimating the price determinants. In addition to ...Master Thesis -
Kapazität von Infrastrukturanlagen der General Aviation in der Schweiz
(2013)Die vorliegende Arbeit soll die Grundlagen dafür schaffen, das Angebot von Luftfahrtinfrastrukturen in der Schweiz bezüglich Eignung und Kapazität anhand von objektiven Parametern abzuschätzen. Ziel ist es, die eignungs- und kapazitätsbeeinflussenden Faktoren zu bestimmen, eine mathematische Herleitung für deren Quantifizierung zu finden und diese in einem praxisnahen Anwendungsmodell (Excel) umzusetzen. Empfehlungen zur weiteren Forschung, ...Master Thesis -
A CGE-Model of Parking in Zurich: Implementation and Policy Tests
(2013)This thesis develops a computable general equilibrium model for parking and applies it to the city center of Zurich to analyze dierent parking policies. The presented model distinguishes between people driving through the network, looking for on-street parking and looking for garage parking. By considering the probability of not finding a parking spot, the model accounts for spillover from those agents that cannot find parking right away ...Master Thesis -
Effects of variable speed limit strategies on a metropolitan highway
(2013)The objective of this Thesis is to understand the situation of a catalan highway with VSL strategies through empirical data of one day. It will be done using standard traffic tools to make the congested and uncongested states analysis. The Thesis will involve: visual identification of congested areas, bottleneck detection and diagnostic, identification of fundamental diagrams, lane density and speed distribution and comparison between ...Master Thesis -
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Processing low-frequency floating cardata for transportation applications
(2013)During the previous decade and onwards, utilizing GPS probe data coming from fleet management systems, as floating car data (FCD), has attracted a lot of attention. However, the particularity of processing this kind of data is that they are relatively sparse in time and space. As a consequence, identifying the followed path between consecutive GPS probes involves high uncertainty. Map-matching process facilitates the transformation of ...Master Thesis -
Evaluation of Dynamic Public Transport Pricing with MATSIM
(2013)With emergence of digital fare payment systems, the resolution of problems such as growing amount of air pollution or concentration of congestion around peak hour be- comes feasible by the implementation of dynamic pricing schemes. But, because of the complexity and the difficult acceptance of these strategies by the populations, re- search need to be accomplished beforehand in order to show clearly the benefits brought. In this thesis, ...Master Thesis -
Congestion pricing schemes controlled by the gMFD: a comprehensive design and appraisal to bridge the engineering and economic perspective
(2013)Charging drivers for the congestion they cause is a well-known concept among economists, traffic engineers and transport professionals. Many studies have been performed to explore and better address this issue during the history of transport economics and in recent years the first congestion pricing schemes have been finally implemented in some cities (Singapore, London, Stockholm). Nonetheless, several theoretical and practical problems ...Master Thesis