Searched for: subject:"trajectories"
(1 - 20 of 71)

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Gorter, H.P.D. (author)
The Global Trajectory Optimization Competition (GTOC) is a competition that seeks to stimulate improvements in the fields of mission analysis and optimization. This research focuses on the problem posed in the second version of the competition, GTOC2. The problem concerns an asteroid tour mission, where the asteroids are subdivided into 4 groups...
master thesis 2010
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Appeldoorn, B. (author)
master thesis 2016
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Spillenaar Bilgen, Jesper (author)
The main goal of any launch vehicle is to bring as much payload to space as possible. Space planes have been studied for decades, as they are thought to be more cost effective for frequent access to space than traditional expendable launchers. This research aims at optimizing the payload capacity of a single stage to orbit (SSTO) horizontal take...
master thesis 2017
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Snoeij, V. (author)
Over the years gradually flight management systems have been added to airplanes which reduce pilot workload and increase safety. These systems however do not provide an adequate response when in an emergency situation the aircraft loses all thrust. A system that creates glide trajectories to airports that are reachable would enable pilots to...
master thesis 2016
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Spaans, C.J. (author)
Optimization of spacecraft trajectories is an interesting area of research, where a lot of development takes place: in the past years, an optimizer called OPTIDUS was implemented at the chair of Astrodynamics at Delft Univierstiy. This tool is able to do optimization of spacecraft trajectories (and other problems) using an evolutionary algorithm...
master thesis 2009
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Geers, Matthijs (author)
The automation of replanting seedlings into bigger trays (transplanting) has been a major industrialisation step in the horticultural sector. Modern machines are abundant in large companies and are quite effective, but they are very expensive both in purchase and maintenance. With major clients taking these costs for granted, designers have not...
master thesis 2018
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Saß, Konstantin (author)
Tilt-rotor aircraft combine the helicopter’s benefit of VTOL capability and the flight performance that turboprops possess on range, speed and endurance. Tilt-rotor aircraft have the potential to decrease airport congestion and average flight delay in passenger transportation, while benefits are numerous in i.e. search and rescue, disaster...
master thesis 2018
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Filipe, N.R.S. (author)
master thesis 2008
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Mus, D.A. (author)
In order to interact with environments and appliances made for humans, robots should be able to manipulate a large variety of objects and appliances in human environments. When having experience with manipulating a certain object or appliance, a robot should be able to generalize this behaviour to novel, but similar objects and appliances. When...
master thesis 2017
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González Puerta, A. (author)
The role of traditional entry guidance systems is to ensure that the vehicle is brought from a nominal entry interface point (EIP) to the neighborhood of a designated landing site at an acceptable energy state. Such systems are designed in such a way that the landing site can be safely reached even if off-nominal conditions are present at the...
master thesis 2017
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Papp, Z. (author)
Atmospheric entry is a process defined by extremes, from the great velocity at the point of entry to the high deceleration loads and aerodynamic heating in the lower layers of the atmosphere. In addition to the vehicle maintaining structural integrity, an equally important aspect of the re-entry mission is safety. This safety can only be...
master thesis 2014
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Vergaaij, Merel (author)
Recent studies have shown the feasibility of (quasi-)pole-sitter orbits at Mars and Venus, which involves a satellite positioned along or near the polar axis of a planet in order to have a continuous, hemispherical view of the planet's polar regions. In order to further demonstrate the feasibility of this mission concept, this thesis...
master thesis 2018
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Raipuria, Geetank (author)
An autonomous vehicle should be able to operate amidst numerous other human-driven vehicles, each driving on its own trajectory. To safely navigate in such a dynamic environment, the autonomous vehicle should be able to predict trajectories of the vehicles operating in its vicinity and use these to plan its own path. Most related work uses a...
master thesis 2017
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Engelen, F.M. (author)
These days more and more rockets are developed by companies, students and other amateurs. To assess the safety of these rockets, a method is necessary to estimate the risk of these vehicles quantitatively. Because tools to do so are not freely available, the goal of this thesis is to research methods to quantitatively estimate the risk of...
master thesis 2012
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Galletti, Elena (author)
The increasing interest in solar electric propulsion techniques, that enable significant propellant mass savings for a wide class of transfers, has brought about a revolution in the approach to trajectory design and optimization, as a result of the complexity and diversity of the problem. To date, solutions of different nature exist, but...
master thesis 2017
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Jimenez-Lluva, David (author)
Electric Propulsion (EP) has become one of the most efficient technologies for spacecraft propulsion. In contrast to conventional chemical propulsion, the low thrust force generated by EP thrusters can deliver a momentum transfer to the spacecraft that is up to twenty times greater, for an equivalent propellant expenditure. Despite decades of...
master thesis 2017
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Roegiers, T.G.R. (author)
Since the development of the exponential sinusoid for low-thrust trajectory design by Petropoulos and Longuski [2004], more shape-based methods have emerged that ease up the work of a mission analyst. These methods are the ideal tool to generate a quick and almost complete overview of a large search space and are useful for producing first...
master thesis 2014
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Brouwer, Jochem (author)
The autonomous transit market is on the rise. 2getthere is one of the lead suppliers of automated people moving systems, located in the Netherlands. Their vehicles can be classified as SAE level 4 automation (Highly Automated) vehicles. This thesis is concerned with the dynamic trajectory generation for 2getthere’s Group Rapid Transport (GRT)...
master thesis 2018
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Ou, Y. (author)
Trucks are largely used in road transportation worldwide in recent decades, and make great contributions to the GDP. Statistics shows that a large number of truck-involved accidents occur related to the ramp in merging manoeuvres on the highway. The accidents involved in trucks can lead to a considerable economic cost. The development of...
master thesis 2016
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Boere, M. (author)
Four decades after Neil Armstrong's 1st steps on the Moon the time has come to take it one step further, the permanent occupation of humans on lunar soil. Permanent occupation of humans will revive the dream of exploring space and will open the doors for space flight to Mars or even further. For this reason this project investigates the...
master thesis 2010
Searched for: subject:"trajectories"
(1 - 20 of 71)

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