master thesis

In today’s world electronic devices are all around us. A primary building block within these devices is the Digital-to-Analog Converter (DAC). This block can convert a digital signal (i.e. a code consisting of 1’s and 0’s) into an analog signal by for instance switching on/off current sources using switches. A traditional switching method requires 2 overdrive voltages to make this work. If this voltage can be reduced, applications can work at lower supply voltages which saves power. A new switching technique is build and tested in a Digital-to-Time Converter (DTC) application.

In the future, we expect most people will drive in electric vehicles daily and, as a result, charge them daily. Our power grid is not designed to handle the load of these vehicles. Therefore, ElaadNL proposed the idea of GridShield [1], a robust backup system that can prevent grid congestion and blackouts in areas where many vehicles charging simultaneously are causing overloads.

Imagine that one way or another you lose your hand. Various daily tasks which used to be an easy job might now be difficult to perform. Luckily in the 21st century it is possible to use a robotic prosthetic hand. At this moment multiple robotic prosthetic hands are already produced and used [1]. Most of these prosthetic hands make use of Electro-Myography (EMG) in combination with pre-configured hand positions [1]. However, the use of pre-configured hand positions makes it impossible for the prosthetic hand to make every move a human hand can make. ...

Parkinson’s disease is a well-known neurodegenerative disease in the aging society, that is mainly recognized by the problems of shaking (tremor) and rigidity. Besides these common symptoms, patients may also suffer from cognitive malfunction and slowness of movement, which may become visible in some clinical experiments like the Go/No-Go tasks. These tasks consist of two types of stimuli that are presented to the subject, one indicating that the subject has to respond to the stimulus and the other one saying that the subject has to withhold the response. ...