Searched for: subject:"Measures"
(1 - 20 of 1,100)

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des Tombe, B.F. (author)
The pressure on groundwater systems, especially in coastal regions, increases as the population rapidly grows. In these regions, management of water tables and fluxes is important to minimize droughts, salt-water intrusion, and flooding. Proper management of such groundwater systems requires knowledge of how groundwater responds to water...
doctoral thesis 2021
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Shuverov, Vassiliy (author)
In transit-time ultrasonic flow measurement systems, the system's ability to operate reciprocally in the absence of flow is a highly desirable property. If the reciprocity is lacking in the system, any time delay that appears between the upstream and downstream signals at zero-flow conditions will result in false flow measurement. This...
master thesis 2021
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Aben, Lennart (author)
Sustainability is trending. With large numbers, architects are part of the movement that is in search of a more sustainable world. An important part of this search is the urge to prove sustainability. Currently available methods to prove sustainability in architecture play into this demand. However, practice shows that these methods are not...
master thesis 2021
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Vleeshouwer, Tim (author)
Interacting with cyclists is a difficult challenge for Automated Vehicles (AVs). It is important that the introduction of AVs does not lead to a decrease in cyclist safety. This study presents a new methodology that is developed to assess road safety between AVs and cyclists. Surrogate Measures of Safety are identified specifically for the...
master thesis 2021
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van Zwieteren, Raymond (author)
The past decade has seen a rise in ability to collect, store and manage large amounts of data. With data becoming increasingly available to businesses, organizations are looking to new ways to gain insight into their activities. Acquired information can help transportation companies to cope with industry trends of expanded competition, the...
master thesis 2021
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Wang, Haoyu (author), Berkers, Jos (author), van den Hurk, Nick (author), Layegh, Nasir Farsad (author)
To ensure railway operations safe, track geometry parameters, e.g., track gauge, are usually inspected using track geometry cars. The measurement frequency of track geometry cars is low (twice per year) due to high operational costs and track possession. An innovative way to perform track inspection at high frequency and affordable cost is...
journal article 2021
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Fu, J. (author), Song, Guobing (author), De Schutter, B.H.K. (author)
Fault location algorithms for transmission lines use the parameters of the transmission line to locate faults after the faults have occurred along the line. Although these parameters can be estimated by the phasor measurement units (PMUs) at the terminal(s) of the transmission line continuously, the uncertainty in the measurements will give...
journal article 2021
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Dartevelle, Olivier (author), van Moeseke, Geoffrey (author), Mlecnik, E. (author), Altomonte, Sergio (author)
In a context of global warming, summer thermal comfort is a key issue for the design and operation of nearly zero-energy buildings (nZEBs). Although there are various methods and benchmarks for the long-term evaluation of summer thermal conditions in free-running buildings, their application to the residential sector is still debated. Based...
journal article 2021
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Katrakazas, Christos (author), Theofilatos, Athanasios (author), Islam, Md Ashraful (author), Papadimitriou, E. (author), Dimitriou, Loukas (author), Antoniou, Constantinos (author)
Traffic conflicts are heavily correlated with traffic collisions and may provide insightful information on the failure mechanism and factors that contribute more towards a collision. Although proactive traffic management systems have been supported heavily in the research community, and autonomous vehicles (AVs) are soon to become a reality,...
journal article 2021
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Hamida, M.B. (author), Ahmed, Wahhaj (author), Asif, Muhammad (author), Almaziad, Faris Abdullah (author)
The buildings and construction sector accounts for the majority of the energy consumption in the Kingdom of Saudi Arabia (KSA). For a sustainable future, energy consumption in the sector should be reduced and existing buildings need to be energy retrofitted. A number of studies present energy retrofitting of residential buildings in KSA;...
journal article 2021
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Van Weteringen, Willem (author), Van Essen, Tanja (author), Gangaram-Panday, Norani H. (author), Goos, T.G. (author), De Jonge, Rogier C.J. (author), Reiss, Irwin K.M. (author)
Introduction: Traditional transcutaneous oxygen (tcPO2) measurements are affected by measurement drift, limiting accuracy and usability. The new potentially drift-free oxygen fluorescence quenching technique has been combined in a single sensor with conventional transcutaneous carbon dioxide (tcPCO2) monitoring. This study aimed to validate...
journal article 2021
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Alfaro Barrantes, J.A. (author), Mastrangeli, M. (author), Thoen, David (author), Visser, Sten (author), Bueno Lopez, J. (author), Baselmans, J.J.A. (author), Sarro, P.M. (author)
This paper describes the microfabrication and electrical characterization of aluminum-coated superconducting through-silicon vias (TSVs) with sharp superconducting transition above 1 K. The sharp superconducting transition was achieved by means of fully conformal and void-free DC-sputtering of the TSVs with Al, and is here demonstrated in up...
journal article 2021
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Li, Qiongxiu (author), Gundersen, Jaron Skovsted (author), Heusdens, R. (author), Christensen, Mads Græsbøll (author)
Privacy-preserving distributed processing has recently attracted considerable attention. It aims to design solutions for conducting signal processing tasks over networks in a decentralized fashion without violating privacy. Many existing algorithms can be adopted to solve this problem such as differential privacy, secure multiparty...
journal article 2021
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Zhang, P. (author), Moraal, J. (author), Li, Z. (author)
An innovative downscale test rig called V-Track has been constructed for wheel-rail contact experiments under impact loading conditions. In this paper, a force measurement system termed a dynamometer was developed in V-Track to measure the wheel-rail contact forces. The dynamometer consists of four 3-component piezoelectric force sensors and...
journal article 2021
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Duarte Campos, L.A. (author), Wijnberg, Kathelijne M. (author), Hulscher, Suzanne J.M.H. (author)
In this study we tested to what extent grain count data from a laser particle counter, when enriched with granulometric data, can lead to accurate measurements of aeolian sediment fluxes in the field. Field experiments were conducted at Koksijde beach (Belgium) with a vertical array of five Wenglor fork sensors and co-located vertically...
journal article 2021
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Delimpaltadakis, I. (author), Mazo, M. (author)
In this work, we propose a region-based self-triggered control (STC) scheme for nonlinear systems. The state space is partitioned into a finite number of regions, each of which is associated to a uniform inter-event time. The controller, at each sampling time instant, checks to which region does the current state belong, and correspondingly...
journal article 2021
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Xin, H. (author), Correia, José A.F.O. (author), Veljkovic, M. (author), Berto, Filippo (author), Manuel, Lance (author)
The fatigue resistance of welded connections made of high strength steel (HSS) is one of the most important topics for the application of HSS in the construction sector. One of the most challenging issues is how to predict the fatigue life of welded structures with complex geometry based on the test results from relatively simple coupon...
journal article 2021
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Bakker, Niels (author)
Event managers at large city events use crowd density as a metric in the process of maintaining safety at large scale city events. Identifying the density of crowds at these events relies on expensive physical infrastructure to work well or have limited accuracy. We propose amethod that addresses the gap of not relying on physical infrastructure...
master thesis 2020
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Joon, Peter (author)
Planning the on-site transportation of large manufacturing sites is a complex process. Currently these plans are made based on the on-site logistics constraints rather than on KPIs. Research has been focused on either analysis of system parameters or generally on KPIs, but lacks the combination of both on real-life cases. This gap is closed by...
master thesis 2020
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Srinivasan Ravi Kumar, Girish Kumaar (author)
This research investigates the speed behaviour and safety effects on cyclists and mopeds sharing the cyclist T-Intersection with and without the application of a lane marking nudge. Unsignalised cyclist T-Intersection gives rise to more safety-critical instances, which include unsafe braking and evasive maneuvers. It is also found that...
master thesis 2020
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