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van der Nolle, Rens (author)
The amount of research and development in smart materials is increasing every year. These smart materials offer a solution to integrated and distributed actuation and sensing. Pressure sensors, acoustic transducers, deformable mirrors, micro-robotics and stiffness control of flapping wings are some applicationswhere these smart materials show...
master thesis 2017
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Barel, Marije (author)
At this moment there are more than 150 different designs of CMMA in existence. To aid the designer to develop a new or improved CMMA or choose what the design to use, a classification system is developed during the literature research. It is based on the geometrical advantage (GA) of the CMMA, and on the input and output port motion paths. Their...
master thesis 2017
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van den Brink, Bram (author)
To facilitate research on the dynamics of micro-cantilevers immersed in liquid, a modal test setup was designed. Modal testing is a powerful form of dynamic testing whereby the system's natural frequencies, modal masses, modal damping ratios, mode shapes, and weight of each of these modes at a certain frequency are determined. Micro-cantilever...
master thesis 2017
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Koiliaris, Panayiotis (author)
In the following study, a new concept of an assistive hand exoskeleton device for Duchenne muscular dystrophy (DMD) patients is presented. Due to the nature of this disease (causes progressive muscle degeneration from a young age of five years old), the requirements for such a device are very demanding, with extreme space and weight limitations,...
master thesis 2018
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Boots, Jelle (author)
Ferrofluid bearings provide a cheap and passive alternative to contactless bearings such as magnetic bearings and fluid bearings. The absence of stick-slip and the low viscous friction make them interesting for high precision applications. Despite the theoretical models available in literature, the number of design rules for ferrofluid bearings...
master thesis 2018
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Endtz, Jan David (author)
The integration of luminescent nanoparticles into transparent polymer matrices opens the way to affordable, scalable and efficient luminescent solar concentrators. A key challenge in the fabrication is to prevent agglomeration of the nanoparticles as this will drastically reduce the performance due to scattering effects. The incompatibility of...
master thesis 2019
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Bazuin, Loes (author)
The DragonFlex, world’s first 3D-printed steerable Minimally Invasive Surgery (MIS) instrument, showing promising results for the medical field, is made by means of 3D-printing, and features simple assembly, while exhibiting high bending stiffness. In this research, the possibilities with additive manufacturing are explored even further, by...
master thesis 2019
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Schonebaum, Johan (author)
Running robots at insect scale are an upcoming research field, because of their numerous potential applications like exploration of hazardous environments such as collapsed buildings, natural disaster sites and debris. To date no report exists on such a robot that either exploits its resonance, or that is monolithic. These properties, however,...
master thesis 2019
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Kan, Chi Wai (author)
As technology is advancing, the need for precision stages is increasing. These stages are being used with (electron) microscopes for scientific research and industrial applications. They can be operated manually or by actuators, where the motorized stages are quite expensive in general and the cost increase significantly if better performance is...
master thesis 2020
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Valentijn, Maurice (author)
The objective of this thesis is to show that warping can be used in a thin-walled beam to create a suitable replacement for a classical differential mechanism. This normally negated deformation of the cross section can be used to create an inverse transmission mechanism, used to create a monolithic and simple alternative to a classic...
master thesis 2020
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Brocken, Bob (author)
Boron-doped diamond (BDD) is an attractive electrode material. When sufficiently boron-doped, diamond has metal-like conductivity and in comparison with other electrode materials has several advantages, such as lowand stable background current, reduced biofouling, broad potentialwindow, corrosion resistance and chemical stability. However,...
master thesis 2020
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Zeelenberg, Michiel (author)
Freeform overhanging microstructures are used for various applications, for example in micro metamaterials. To create these structures industry uses a variety of manufacturing methods. There is a gap in manufacturing methods that can produce a microstructure at a high resolution and use multiple materials at individual locations. Inkjet printing...
master thesis 2021
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Davenne, Niels (author)
Multi­-material 3D inkjet printing has great potential for rapid prototyping and manufacturing of functional mesoscale structures when novel inks are combined into a fully integrated AM-process. This process can be faster and cheaper than conventional methods to produce functional structures. Research is conducted on a large range of potentially...
master thesis 2021
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Elschot, Sanne (author)
Dielectric elastomer actuators (DEAs) are a type of soft actuators that consist of a dielectric elastomer membrane, covered with an electrode on the top and the bottom. When applying a potential, the opposite charges on the electrodes induce an electrostatic force which squeezes the elastomer, causing it to expand. This expansion can be used as...
master thesis 2021
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MIRALLES ABETE, ALBERTO (author)
Cochlear implants (CIs) are the most effective solution to treat severe-to-profound hearing loss. These medical devices mimic and replace the function of the damaged structures of the cochlea. To this date, more than 700,000 individuals worldwide have benefited from CIs. However, state-of-the-art CIs do not provide a natural and high-quality...
master thesis 2021
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de Wildt, Arjan (author)
The goal of this study is to develop a measurement setup that can accommodate the water-cooled modules present in the innovative e-beam lithography tool developed by Mapper Lithography and to perform flow verfication measurements on them. The overall objective is to verify the stage-stability requirements set for the Matrix-machine with regards...
master thesis 2021
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Krijgsman, Marina (author)
Patients with a Fontan circulation have a diminished life expectancy of only 30-40 years old. A mechanical circulatory assist device can potentially increase their life expectancy and quality of life. Given the complexity of the anatomy and physiology of the Fontan circulation, design of a safe and effective mechanical assist device is a...
master thesis 2021
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Pijnenburg, Kees (author)
Improved handling methods are required in order to decrease the manufacturing cost of solar cells and flat panel display. A potential method would be to use a contactless handling system based on air bearing technology. As the name implies, the substrate levitates on a thin film (~10 μm) of air. The viscous shear force is used to exert a lateral...
master thesis 2022
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Otte, Stan (author)
In this thesis report, the potential for high-throughput fabrication of micromechanical metamaterials is studied. Metamaterials are structures typically consisting of repetitive micrometre-sized features that introduce new and extraordinary ‘material’ properties. However, up to now these structures are predominantly fabricated with slow 3D-print...
master thesis 2022
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Schots, Joost (author)
Bone drilling is a surgical action required for bone fixation using plates. The holes are currently drilled using a large, conventional drill. This causes problems when limited space is available, de to the size of the drill. For that reason a new, small Compact Drilling System is proposed. In earlier research a compact self-feeding mechanism...
master thesis 2022
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