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Design of small wind generators : guidelines for amateurs
(2022)
Master`s thesis is directed on detailed investigation of possibilities to build a small wind generator for domestic power supply application. The work contains two parts. The first part is a theoretical review of valid ...
Numerical approximations of non-linear shallow water equations
(2020)
In this work, the Finite Difference Methods (FDMs), and Method of Lines (MOL) have been used to solve the Shallow Water Equations (SWEs) in one dimension. The SWEs has a free surface with no rotation, it's kinematic viscosity ...
Instrumentation electronics for a novel optical gas sensor
(2020)
Optical gas sensors are measuring instruments that can be used to determine the concentration of various gases, such as carbon dioxide. They are widely utilized in many areas of industry. In this master's thesis commissioned ...
Analysis of semiconductor expenses in medium voltage drives
(2020)
In this Master’s thesis, semiconductor expenses in multilevel medium voltage drives was analysed by comparing cost and reliability of five selected topology cases. This was done by first studying the IGBT modules and ...
Smart grasping of known objects
(2020)
Smart grasping means that a robot can automatically decide which object and how an object can be grasped. Firstly, a neural network should find the objects and get a 2D bounding box. The convolution neural network is used ...
Medical imaging applicability study of silicon pixel detectors with PSI46dig ROC
(2020)
The aim of the Multispectral Photon Counting for Medical Imaging and Beam Characterization (MPMIB) project is to develop a next-generation medical imaging detecting system capable of multispectral imaging. One of the ways ...
Filter method for feature selection using fuzziness index number with fuzzy k-nearest neighbor classifier
(2020)
The extensive data sets of real-world contain high-dimensional information; among them, some may hold irrelevant information that complicates the data set. Feature selection is regarded as a useful data preprocessing ...
Utilization of metal sandwich panel as load-bearing structure
(2020)
The aim of this thesis was to design a load-bearing steel sandwich structure and connecting elements for elevated temperatures. The loads of the panel were calculated based on strength of material, using beam theory. The ...
Effect of humidity on electric potential of SnO2 film investigated by Kelvin probe force microscopy
(2020)
In this study hygroelectric behaviour of an SnO2 sample was studied using Kelvin probe force microscopy (KPFM) and humidity controlling equipment. The objective was to detect any possible surface potential changes within ...
Utilizing feedback calculations in development of bubbling fluidized bed boiler design
(2020)
The main objective of this thesis was to study and specify process design parameters utilized in bubbling fluidized bed boiler design and dimensioning in Andritz Oy. More accurate parameters could allow dimensioning heat ...