Searched for: subject:"stability"
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Arons, Mitchell (author)
The main objective was to analyse the effects of rotor dynamics, and in particular lead-lag and flapping dynamics, on incremental backstepping (IBS). The main focus in this research was on the angular rate controller of a rotorcraft, since it required an idealised rotorcraft model to establish the IBS controller. The idealised rotorcraft model...
master thesis 2020
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Enschedé, Sabine (author)
This paper is a research in positive controllability and stabilizability for discrete-time linear systems. Several conditions are given and explained for both single input as multiple input systems. Also the connection between controllability and reachability will be mentioned. Furthermore, a method for multiple input positive controllability is...
bachelor thesis 2020
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Aggarwal, Kapish (author)
Mars is expected to become a focal point of exploration (human and robotic) in the near future. Extensive operations and continued human presence on the planet would require a robust space infrastructure. Be it navigation satellite constellations or scientific missions in low Mars orbits (LMO) and Areosynchronous orbits (ASO), every satellite...
master thesis 2020
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van den Berg, Daniel (author)
Vehicle platooning is often regarded as one of the most promising solutions for solving the road congestion issues. Experiments have successfully proven that longitudinal platooning can be safely achieved in real world applications using a platoon of several vehicles. Lateral control however, has received far less attention. The main difficulty...
master thesis 2020
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Kaczmarek, Marcin (author)
Reset control is a "simple" nonlinear control strategy that has the potential of being widely adopted and improving the performance of systems traditionally controlled with PIDs. Lack of suitable methods for proving stability, that are in line with the current industrial practice, hampers the wider acceptance of reset control. In this thesis,...
master thesis 2020
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Verloop, Rosanne (author)
During the boring of a tunnel in soft soils with a slurry TBM, support pressure is used to achieve equilibrium at the face of the TBM. When this equilibrium is not reached, when the face support pressure is too low or too high, settlements will occur. In this research settlement and pore water pressure measurements are used to monitor the...
master thesis 2020
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Bourget, Grégoire (author)
Initially conceptualised by Benad in 2015 as a highly swept flying wing aircraft to replace the A350-900, the Flying V design has since been refined in several later studies at both Airbus and TU Delft. The initial aerodynamic efficiency gain estimation was refined by Faggiano and Rubio-Pascual, confirming the interest of the solution. To...
master thesis 2020
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van de Stroet, Peter (author)
The low lying areas in the Netherlands often consist of soft and low permeable soils like clay and peat on top of a sand layer. Due to high water pressures at the interface between the permeable sand layer and the low permeable top layers, the effective stresses decrease, which can cause lifting of the low permeable top layers. As a consequence...
master thesis 2020
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van Empelen, Sjoerd (author)
An experimental investigation was done regarding the propulsion system and airframe integration issues associated with the novel Flying V configuration. The experimental investigations involved a series of wind tunnel tests with a 4.6% scale half model, conducted in the TU Delft OJF low speed wind tunnel. Balance measurements allowed significant...
master thesis 2020
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Kuipers, Sterre (author)
Part of the goal of Europe’s Strategy Vision Zero is to eliminate all severe cycling accidents in Europe by 2030. The majority of cycling accidents are single vehicle accidents; this term indicates the absence of collisions with other road participants and implies a fall of the cyclist. Research has shown that mainly elderly cyclists are victim...
master thesis 2020
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Ruwiel, Tim (author)
XblocPlus is a single layer armour unit that is recently developed by BAM Infraconsult. It is the successor of the Xbloc. An important advantage of the XblocPlus is the relatively high construction speed compared to the Xbloc. The increased construction speed is caused by the possibility to place XblocPlus in a uniform pattern and the relatively...
master thesis 2020
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Palau Hernandez, Juan Pablo (author)
Among the current targets of the building sector, one major goal is to maximize the resource efficiency (in terms of material use and in terms of energy used to produce the buildings); furthermore, the circular economy model aims for maximizing the reuse of the structural elements; thus, minimizing the material waste and avoiding a second...
master thesis 2020
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Zaal, Caroline (author)
The main objective of this thesis is to assess the combined influences of specified reservoir conditions and operational parameters on the profitability of a geothermal project and on the potential for fault reactivation. The aim is to propose potential development strategies to maximize the profitability and minimize the potential for slip and...
master thesis 2020
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Verschueren, Wouter (author)
With the reduction of gas reserves and the goal of achieving zero carbon emissions by 2050 in mind, the Dutch government is taking steps to switch to alternative energy sources and to strengthen the electrical power grid. Transient stability or the ability to return to stable conditions after a disturbance is paramount to the operation of an...
master thesis 2020
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Gonzalez Jimenez, Martin (author)
A significant percentage of the offshore wind resource is located in waters deeper than 60m. Therefore, several floating offshore wind turbines (FOWT) have been conceived in recent years. In deep waters, it seems logical to also harvest wave energy. One of the options to harness both resources is to use a floating offshore hybrid wind-wave...
master thesis 2020
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van Bentem, Rick (author)
Bardawil Lagoon is a tidal lagoon situated at the northern coast of the Sinai Peninsula in Egypt. It’s two artificial inlets, Boughaz 1 in the West and Boughaz 2 in the East, provide a connection to the Mediterranean Sea. They enable the water bodies to interact and support fish migration. Currently, regular maintenance dredging works are...
master thesis 2020
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Soikkeli, Johannes (author)
Differential thrust can be used for directional control on distributed electric propulsion aircraft. This thesis presents an assessment of flight dynamics and control of differential thrust aircraft under engine inoperative conditions with minimum control speed. A methodology consisting of an aerodynamic data acquisition module and a non-linear...
master thesis 2020
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Olgiati, Matteo (author)
Salts of trivalent cerium (Ce(III)) are known to successfully hinder localised corrosion phenomena typical of aerospace aluminium alloys by forming a thin passivation layer on top of the corrosion-active intermetallic phases. This is generally observed to happen when the alloy is under immersion conditions in a solution containing Ce3+ ions....
master thesis 2020
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El-Hajj, Isabelle (author)
Incremental control techniques such as Incremental Nonlinear Dynamic Inversion (INDI) and Incremental Backstepping (IBS) have gained recent popularity, especially in the aerospace community, due to their versatility and effectiveness which entails robustness to imprecise knowledge about the controlled system as well as robustness to external...
master thesis 2020
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Gori, Antoine (author)
The current Dutch norms for the macro-stability of ood protection embankments and more specifically the determination of SHANSEP parameters has been subject of debate since its implementation in 2017. The main concerns arise from the apparent over-conservative nature of the guidelines and the apparent underestimation of shear strength of organic...
master thesis 2020
Searched for: subject:"stability"
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