"Electrical Engineering" - Selaus Tutkinto-ohjelman ja opintosuunnan mukaanOpinnäytteet - ylempi korkeakoulututkinto
Viitteet 21-40 / 57
-
Energy Storage Technologies in Photovoltaics Systems
(2018)
DiplomityöIn solar power systems, photovoltaic cells are used for conversion from solar irradiance to direct current. They can be modeled as an ideal diode which is affected from some factors like parasitic resistance, temperature, ... -
Extrinsic Noise Effects Regulation at the Single Gene and Small Gene Network Levels
(2017)
DiplomityöRecent studies of gene expression in Escherichia coli using novel in vivo measurement techniques revealed that protein and RNA numbers from a gene differ between genetically identical cells. To unravel the causes for this, ... -
Fixed Switching Frequency Direct Model Predictive Control for Grid-Connected Converters
(2018)
DiplomityöModel predictive control (MPC) has recently been gaining ground as a suitable control method for power electronic converters. It is formulated as an optimization problem in the time domain subject to certain constraints. ... -
GHz Range CMOS LNA
(2018)
DiplomityöThis thesis work presents 7GHz CMOS Common Gate LNA, Layout design and a scaled down version of the same topology with BJT, operating frequency of 5MHz. Schematic was designed in OrCAD Capture CIS, gain and linearity ... -
Image texture analysis for prostate cancer detection
(2019)
DiplomityöRecent advancement in diagnostic imaging has made the mortality rate associated with prostate cancer (PCa) to decrease drastically. Given to lower threshold cut-off values for prostate-specific antigen (PSA) which is the ... -
Implanted Wireless Sensors For Medical Applications: Exploring the Limits of Inductive Powering.
(2017)
DiplomityöWireless medical implant powering is an emerging sector for future healthcare applications. It enhances the healthcare safety level and the prospects of a better life. The main theme of this research is to design a wireless ... -
Implementation of Interlocking Scheme for Bus bar and Arc Protection Using IEC 61850
(2017)
DiplomityöThe main scope of the thesis is to focus on bus bar protection in the medium voltage level. It is important for designing the protection setup according to the intended protection scheme, planning for circumvent the arc ... -
Influence of shadows caused by buildings on the power output of photovoltaic generators.
(2017)
DiplomityöShadows caused by clouds, trees, buildings and other structures cause the photovoltaic power installation to produce less energy. When installing a PV-generator these shadows should be taken into account when calculating ... -
Investigation of scintillation effects in European Galileo Signals
(2017)
DiplomityöIonospheric scintillations are known to be rather challenging in Global Navigation Satellite Systems (GNSS) receivers. The scintillation effects include rapid variations in signal phase and amplitude, which may hinder the ... -
Investigation on grid synchronization methods in PV inverters during unbalanced conditions
(2018)
DiplomityöPhotovoltaic power is vital to meet the future global energy demand. DC power from the photovoltaics is converted to AC power using PV inverters and integrated into the AC power electrical grid. The synchronous operation ... -
Jamming Detection using Wavelet Transforms
(2019)
DiplomityöModern Global Navigation Satellite Systems (GNSS), such as GPS and Galileo, play vital role in providing high precision navigation and positioning services for civilian and military applications. The high precision feature ... -
Manufacturing And Evaluation Of Stretchable Embroidered Passive Rfid Tags On 3d-printed Substrates
(2018)
DiplomityöStretchable electronics is an emerging field of electronics where the devices produced can undergo several mechanical stress conditions but maintain its structural integrity and electrical performance. Categorized under ... -
Maximum and limit-power tracking algorithms in PV applications
(2017)
DiplomityöIn this thesis work, the Maximum Power Point Tracking (MPPT) and Hybrid Power Control (HPC) algorithms have been successfully tested on a PV module. These algorithms are controlled by the Tiva LaunchPad microcontroller ... -
Measurement of core losses in toroidal inductors with different magnetic materials
(2017)
DiplomityöMagnetic materials are used in the manufacturing of transformers, electrical machines, converters and inductors. The losses of the magnetic materials affect the performance of the electromagnetic devices. The magnetic ... -
Mitigation of current harmonic distortion in three-phase LCL-type filter interfaced inverters
(2019)
DiplomityöIt is a common practice to use an LCL-filter to attenuate the high-frequency harmonic distortions in grid-connected converters to stay within the limit set by different harmonic limit standards. However, to deal with ... -
Modeling of Grid Connected PV Generator for Power Flow Assessment
(2017)
DiplomityöThe power distribution systems are continuously expanding due to the rise in world population and its migration to urban areas. But consuming the non-renewable resources to generate the electric power, the carbon emissions ... -
Modelling and Simulation of Compound PV-BESS Systems
(2018)
DiplomityöThe thesis reports on the modeling and simulation of PV systems with grid-connection. The research carried out assesses the impact of key parameters of Photovoltaic systems on power generation and power quality. It also ... -
Modelling of calcium Dynamics in Astrocyte Geometries
(2018)
DiplomityöAstrocytes have historically been referred to as support cells in the central nervous system. In the past two decades, astrocytes have witnessed more interest due to the realization that they are involved in cognitive ... -
Multimodal Imaging of Silver Nanoclusters
(2017)
DiplomityöRecent developments in Nanobiotechnology have given rise to a novel brand of fluorescent labels, fluorescent metal nanoclusters, e.g., gold and silver nanoclusters. Generally, high atomic number elements such as silver can ... -
Multitone NB-IoT optimization based on filtered OFDM waveform
(2017)
DiplomityöNarrowband Internet of Things (NB-IoT) is standardized by 3GPP as a novel radio-access scheme for next-generation IoT technology. In-band operation mode, as one of its deployment methods, shares the spectrum of LTE. To ...
