Searched for: subject%3A%22Differential%255C+Evolution%22
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Mariën, Simon (author)
n the rapidly evolving semiconductor industry, precise material characterization is crucial. This thesis focuses on enhancing Ion Beam Analysis (IBA), a pivotal tool in semiconductor characterization, through the integration of differential evolution optimization. This research proposes a single and multi spectra optimization algorithm approach...
master thesis 2024
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Gwalani, Punit (author)
With a dedicated mission to the Martian moons, Phobos and Deimos, set to launch soon, there is a growing interest in further exploring these moons using low-thrust propulsion. This paper investigates the trajectory design for a sample-return mission from Deimos using fuel-free solar sail propulsion technology, aiming to maximize operational time...
master thesis 2024
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Haagh, Luc (author)
The first mission proposals to visit the Alpha Centauri system use photon-sail acceleration as a mode of propulsion to reach this stellar system closest to our own Solar System. To prepare for a future mission, the photon-sail dynamics in the system is investigated. Planar Lyapunov orbits around the colinear classical Lagrange points are...
master thesis 2023
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Amur, Arjav Anand (author)
The Flying-V is a disruptive flying wing aircraft configuration that was realized at the Airbus Future Projects Office (FPO), with research and development continuing at TU Delft. Preliminary findings have indicated that the Flying-V is 25\% more aerodynamically efficient than the state-of-the-art Airbus A350. To further reap the benefits of...
master thesis 2023
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Bartlett, A.J. (author), Liem, C.C.S. (author), Panichella, A. (author)
Deep learning (DL) models are known to be highly accurate, yet vulnerable to adversarial examples. While earlier research focused on generating adversarial examples using whitebox strategies, later research focused on black-box strategies, as models often are not accessible to external attackers. Prior studies showed that black-box approaches...
conference paper 2023
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Altena, A. (author), Luesutthiviboon, S. (author), de Croon, G.C.H.E. (author), Snellen, M. (author), Voskuijl, M. (author)
Due to technological advances in the drone industry, security threats induced by unmanned aerial vehicles (UAVs) are becoming more relevant. Fast and accurate localisation systems need to be designed. One approach is localisation of UAVs by their sound using acoustic techniques. So far, a systematic performance assessment of acoustic...
conference paper 2023
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Tricarico, Gioacchino (author), Wagle, Raju (author), Martinez, Jesus Castro (author), Gonzalez-Longatt, Francisco (author), Dicorato, Maria (author), Forte, Giuseppe (author), Rueda, José L. (author)
Distribution grids are subject to a drastic evolution in their operating conditions due to the high integration of renewable energy resources (RES) and their ability to regulate voltage. To cope with this issue, modern solar photovoltaic (PV) systems are equipped with smart inverters enabled with communication capabilities that allow the...
conference paper 2023
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Andrade Castanheira, Francisco (author)
The optimization of interplanetary, low-­thrust trajectories is a computationally expensive aspect of preliminary mission design. To reduce the computational burden associated with it, surrogate models can be used as cheap approximations of the original fitness function. Training the surrogate models in a fully online manner can be done to...
master thesis 2022
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Dos Santos, Rogério R. (author), Castro, Saullo G.P. (author)
The present study investigates how to apply continuous tow shearing (CTS) in a manufacturable design parameterization to obtain reduced imperfection sensitivity in lightweight, cylindrical shell designs. The asymptotic nonlinear method developed by Koiter is applied to predict the postbuckled stiffness, whose index is constrained to be...
journal article 2022
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Schoorl, Daan (author)
The past years there has been a significant increase in the popularity and commercial availability of consumer drones.
master thesis 2021
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Klavers, Robert (author)
With the increase in the use of Solar Electric Propulsion for Earth-centered applications, comes an additional challenge in the field of low-thrust spacecraft trajectory optimization. This MSc project implements a hybrid optimization approach, using control parametrization to reduce the number of optimization parameters and orbital averaging to...
master thesis 2021
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Siddiqui, Nimra Idris (author), Alam, Afroz (author), Quayyoom, Layeba (author), Sarwar, Adil (author), Tariq, Mohd (author), Vahedi, H (author), Ahmad, Shafiq (author), Shah Noor Mohamed, Adamali (author)
This paper used an artificial jellyfish search (AJFS) optimizer suitable for selective harmonic elimination-based modulation for multilevel inverter (MLI) voltage control application. The main objective was to remove the undesired lower-order harmonics in the output voltage waveform of an MLI. This algorithm was motivated by the behavior of...
journal article 2021
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Xiong, W. (author), van Gelder, P.H.A.J.M. (author), Yang, Kewei (author)
Design and operationalization for Search and Rescue (SAR) activities are unstructured and complex multi-criteria decision-making problems, especially for maritime emergency scenario. There is a lack of decision support methods based on intelligent algorithms to shorten the response time and to reduce the loss of life and property. The primary...
journal article 2020
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Contant, Stephane (author)
Recent years have seen a drastic increase in the number of small satellites launched per year, as these systems weighing less than 1000 kg have become less expensive alternatives to obtaining scientific data compared to satellites weighing multiple tons. A current drawback with these systems is their price to orbit, often reaching over $100k ...
master thesis 2019
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Çubukçuoglu, C. (author), Ekici, B. (author), Tasgetiren, M. Fatih (author), Sariyildiz, I.S. (author)
Most of the architectural design problems are basically real-parameter optimization problems. So, any type of evolutionary and swarm algorithms can be used in this field. However, there is a little attention on using optimization methods within the computer aided design (CAD) programs. In this paper, we present Optimus, which is a new...
journal article 2019
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Kirimtat, Ayca (author), Ekici, B. (author), Çubukçuoglu, C. (author), Sariyildiz, I.S. (author), Tasgetiren, Mehmet Fatih (author)
Floating neighborhoods are innovative and promising urban areas for challenges in the development of cities and settlements. However, this design task requires a lot of considerations and technical challenges. Computational tools and methods can be beneficial to tackle the complexity of floating neighborhood design. This paper considers the...
book chapter 2019
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Mohammadloo, Tannaz H. (author), Snellen, M. (author), Renoud, Weston (author), Beaudoin, Jonathan (author), Simons, D.G. (author)
In this contribution a method for correcting bathymetric measurements affected by inaccurate water column sound speed profiles (SSPs) is presented. The method exploits the redundancy in the multibeam echosounder measurements obtained from the overlap of adjacent swaths by minimizing the difference between depths along overlapping swaths. Two...
journal article 2019
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Ekici, B. (author), Kazanasmaz, Tugce (author), Turrin, M. (author), Tasgetiren, M. Fatih (author), Sariyildiz, I.S. (author)
Urbanization and population growth lead to the construction of higher buildings in the 21st century. This causes an increment on energy consumption as the amount of constructed floor areas is rising steadily. Integrating daylight performance in building design supports reducing the energy consumption and satisfying occupants’ comfort. This study...
journal article 2019
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Krishnan, Ananthakrishnan (author)
Comets, the sporadic visitors from the outer edges of the Solar System, are considered to hold the key for understanding the formation of planets and the origin of life on Earth. Having spent the majority of time away from the radiative environment of the inner Solar System, the chemistry of the comets has remained unaltered, making them the...
master thesis 2018
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Baquer Gómez, Gerard (author)
"The use of high-frequency stimulation for conduction block of the pudendal nerve has potentially high benefits for patients suffering from non-neurogenic urinary retention. Special care has to be put in the design of stimulation parameters to ensure safe operation and prevent electrode and tissue damage. While high-frequency conduction block...
master thesis 2018
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