Av
A.J. van der Veen
22 records found
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This report entails the design process and development of an RFID (Radio Frequency Identification) system that must serve as a user interface for a surgical tool developed by SLAM Orthopedic. The goal of the user interface is to allow a surgeon to make selections as input for the
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This report entails the design process and development of a rotational ring system that must
serve as an user interface for an existing system, the ADEPTH. The goal of the rotational ring is to allow a surgeon to make selections in the user interface system. After careful con ...
serve as an user interface for an existing system, the ADEPTH. The goal of the rotational ring is to allow a surgeon to make selections in the user interface system. After careful con ...
In an era marked by the demand for unprecedented levels of precision in engineering applications, the profound impact of friction forces on motion control systems cannot be underestimated. This thesis extensively investigates the frictional behavior of the Proton Motion Stage, an
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Autonomous Wireless Charging System for Robot Swarms
Robot Control and Navigation
The goal of this thesis is to develop a ROS package that facilitates the control and navigation of a Duckiebot robot. With the rise of robot swarms the need for autonomous charging system for robots is increasing. An implementation for decentralised autonomous behaviour for a Duc
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In this Bachelor graduation project, a 16x16 Single Photon Avalanche Diode (SPAD) array is designed in 40nm TSMC CMOS for diamond single Nitrogen Vacancy center array readout. It includes an active quenching and recharge circuit (AQC), a hold-off circuit for controllable dead-tim
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The evolution of aerial vehicle technology necessitates robust trajectory prediction models. These models are crucial for maintaining safe airspace and enabling autonomous operations. Automatic dependent surveillance–broadcast (ADS-B) is a surveillance system that enables aircraf
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For the heart to pump blood throughout the body, electrical impulses that trigger the cellular contraction must be generated and spread through the myocardial tissue. These signals propagate faster along the longitudinal cardiac fiber direction than the transverse direction, conf
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Few shot emotion recognition using intelligent voice assistants and wearables
Learning from few samples of speech and physiological signals
Emotion Recognition is one of the vastly studied areas of affective computing. Attempts have been made to design emotion recognition systems for everyday settings. The ubiquitous nature of Intelligent voice assistants (IVAs) in households, make them a great anchor for the introdu
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In this thesis, we propose a new class of pairwise frequency, multi-domain time synchronization and ranging algorithms for anchorless mobile networks of asynchronous nodes. We apply these techniques and study network and mission level aspects of time synchronization to Orbiting L
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Quantum Random Number Generator
Hardware, software and PCB design
This project aims to develop a compact and affordable mobile prototype of a Quantum Random Number Generator (QRNG) utilizing the inherently random quantum effect of photons. The system is built exclusively with off-the-shelf components to make it accessible to new user groups who
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GNSS receivers can suffer severely from radio frequency interference (RFI). RFI can introduce errors in the position and time calculations or if the interference is very severe, can lead to a total loss of GNSS reception. This vulnerability of GNSS can have large implications on
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Ultrawideband technology can be used to measure the distance between two device equipped with ultrawideband transceivers. Multiple ultrawideband devices known as anchors can localize a device that supports ultrawideband communication after each anchor measures the distance betwee
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Functional ultrasound (fUS) is a neuroimaging modality that offers high spatial and temporal resolution while also providing portability. In this thesis, neuroimaging data acquired with fUS at Center for Ultrasound and Brain imaging at Erasmus MC (CUBE) is processed. Due to the f
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Modern railway signalling systems are based on a wireless communication link between train and trackside entities. Secure communication between these entities is established using cryptographic symmetric keys loaded beforehand. Train and trackside entities across Europe are maint
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Natural or man-made disasters can have a drastic impact on social, economic and environmental aspects of an affected population. Specifically, earthquakes are one of the most potent natural hazards, which cause a disproportionate amount of fatalities, primarily due to a) unexpect
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Electronic markers for geological research
Tag Design
In this thesis, the implementation of a passive, chipless, frequency coded Radio-Frequency Identification (RFID) tag for bedload transport studies is proposed. The proposed tag will be deployed in the semi-arid Río Colorado river, Bolivia with the aim to develop quant
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Fast Dynamic Programming
A Numerical Method for Solving Dynamic Programming Problems
A well-established method for finding the optimal control policy for a given dynamical system is to solve the problem iteratively going from its terminal state "backwards" in time, known as Dynamic Programming Algorithm. For a generic problem with discrete state/action space, the
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In the hospital environment, the variations in respiratory information (RI) are typically used for indicating the health condition of the patients. With RI known, corresponding parameters in both time domain (respiratory rate) and frequency domain (respiratory power) can be extra
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