Sensor Patch: Subgroup: Microcontroller and Communication

This research investigates the feasibility of a sensor patch for newborns. A sensor patch would be a device that is applied to the skin of the newborn. It can monitor the patient's temperature, heart rate, respiration rate, oxygen saturation and asses its general appearance of the skin so that it can check the newborn for jaundice. It should...

Sensors and Design of an Endoscopic Pill

Endoscopic devices are used in the medical world to inspect the gastrointestinal tract. Because there are some complications with wired endoscopy, such as reaching the small intestine, there is a need for new methods to do endoscopy. Therefore an endoscopic pill is invented which can be used to do measurements in the gastrointestinal tract. This...

Testing of pressure piezoelectric sensors: For Momo Medical

In this thesis, a test device is designed for the company Momo Medical. Momo Medical is developing a system that can be used to prevent pressure ulcers and adding more functionality is being investigated. For this system they need a device to test the functionality of the six piezoelectric sensors that are used in their product. The sensors’...

Comparison of different wavefront reconstruction methods: With Zernike polynomials

The goal of the research is to find out whether it is possible to measure a wavefront qualitatively and quantitatively with Janssen’s recently developed analytical algorithm. The spot displacements given by the wavefront sensor are used to relate the derivatives of the wavefront with respect to x and y with the Zernike coefficients of the...

Cell Concentration Sensor for micro-bioreactors: Optical sensor system

This bachelor thesis describes the development of a sensor system for measuring the cell concentration in small bio-reactors. The study was conducted at Delft University of Technology on behalf of Applikon Biotechnology B.V. The MicroMatrix of Applikon is used for experimental determination of the optimal conditions for bioprocesses in...

Cell Concentration Sensor for Micro-Bioreactors: Impedance Sensor

This thesis describes a bachelor graduation project of the study Electrical Engineering at Delft University of Technology. The purpose of this project is to develop an impedance sensor that can measure the cell concentration in a micro-bioreactor. This bioreactor will be used to investigate the optimal cell growth conditions of a cell culture....

Cell Concentration Sensor for Micro-Bioreactors: Software & Data Processing

This thesis was written for the bachelor’s final project, of the study Electrical Engineering. It describes the design of a cell concentration sensor. A proof of concept was designed which is able tomeasure the cell concentration of yeast in a suspension by using sensors which measure the impedance and optical properties of the suspension. The...

Wireless sensor tag: Simuleren en fabriceren van RFID-toepassingen op plastic substraat.

Dit onderzoek is tot stand gekomen in nauwe samenwerking met het bacheloreindproject van mevrouw Ferouge en de heren de Andrade en Yntema. Het onderzoek richt zich op het fabriceren van een passieve sensor op een plastic substraat. Momenteel worden er op het Delft Institute of Microsystems and Nanoelectronics (DIMES) Technology Center nieuwe...

Een draadloze sensor voor het monitoren van bederfelijke producten: Draadloze communicatie ontwerp

In deze bachelorthesis wordt een ontwerp gepresenteerd van draadloze communicatie voor een draadloos sensorsysteem voor het automatisch meten van pH en temperatuur. Het is gelukt een volledig passieve RFID tag te selecteren en deze te integreren in een PCB ontwerp met de andere onderdelen van het sensorsysteem. Op basis van een proof of concept...

Karakteristieken van de Single Grain Thin Film Transistor op polyimide substraat

Dit onderzoek richt zich op het fabriceren van een passieve sensor op een plastic substraat. Momenteel worden er op het Delft Institute of Microsystems and Nanoelectronics (DIMES) Technology Center nieuwe productietechnieken voor thin-film transistoren (TFT) op polyimide getest waarmee de kosten voor massale productie flink dalen. Deze nieuwe...

DE-XRT method to separate platinum ore

The Potgietersus Platinum mine is an open pit mine in the Bushveld Complex in South Africa. During the mining different rock types are mined, some of these are detrimental. The goal of the research done in this project is to assess the feasibility of Dual Energy X-ray Transmission (DE-XRT) to distinguish the detrimental ore types from the rest...

Wireless Indoor Climate Sensor: Implementing the Control Unit at Ultra Low Power

With the completion of the MIST1431 multi sensor IC a demonstrator developed by the Electronic Instrumentation Laboratory of Delft University of Technology and NXP, a demonstrator that shows the capabilities of the MIST chip was needed. This thesis describes the implementation of the control unit, which has to control the MIST chip and wireless...

Wireless Indoor Climate Sensor: Wireless Communication at Ultra Low Power

The required product is a wireless indoor climate sensor. It is an autonomous sensor that transmits several parameters concerning its environment wirelessly. The product will be used to demonstrate a number of energy efficient sensors. The electronic instrumentation department at Delft University of Technology developed these sensors in...

Designing a position sensor system for Active Magnetic Bearings

In this thesis report, two sensor systems for measuring the position of a levitated spindle are proposed. An off-the-shelf optical sensor is used and the results of the implementation are discussed. Furthermore a capacitive sensor system is designed, consisting of a capacitive ring, sensor plates and signal conditioning. Testing shows both of...