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Detection of cracks: Acoustic experiments on multilayer ceramic capacitors
(2018)
In this thesis, it is shown that damaged Multilayer Ceramic Capacitors (MLCCs) can be acoustically identified in a non-destructive manner. This is done by utilizing the piezoelectric behavior of the ceramic dielectric, ...
Energy management optimization with battery and solar panels in Finnish electricity market
(2019)
Energy management is an important topic in modern smart grids. Energy management strategies allow to reduce the electrical consumption of microgrid from macrogrid and smooth the graphic of electricity consumption and thus ...
Data center energy efficiency assessment based on real data analysis
(2019)
This work covers energy efficiency analysis of Data Center (DC) operations. DCs empower a wide variety of applications and enhance decision making processes. Having such a crucial role in the modern life, DCs remain large ...
Finding unusual energy consumption profiles from large scale data
(2020)
Our energy consumption is increasing every year. The new sensor-based smart measurement devices will provide an opportunity to measure this consumption accurately. This study focuses on finding anomalies from time-series ...
Identification of customer profiles from electricity consumption data
(2018)
The electric power suppliers are interested in identifying and categorising their consumers’ profiles into different categories according to their energy consumption habits. The profiling of users can help with understanding ...
Paikkatietoaineistojen ja avoimien tietolähteiden hyödyntäminen sähköverkkojen pitkän aikavälin suunnittelussa
(2018)
Euroopan Unionin (EU) Inspire-direktiivin ja sen pohjalta kirjoitetun paikkatietoinfrastruktuuri-lain johdosta Internetistä on nykyään saatavilla paljon avoimia paikkatietoaineistoja. Laki velvoittaa viranomaistahot ...
Clustering electricity consumption data to identify optimal electricity contracts
(2020)
This thesis is aimed to study development of electricity consumption trends, cluster historical consumption time series and aim to determine optimal price contract for both individual clusters and customers.
First main ...
Deep forecasting of electricity consumption and production
(2020)
Buildings stock represented 41% of the final European energy consumption in 2016. It is, therefore, critical to improve their energy efficiency. Forecasting the electricity consumption of buildings would help users in ...
Forest machinery productivity study with data mining
(2020)
In this thesis, multidimensional sensor data from Ponsse Oy’s harvesters were utilized with data mining in order 1) to study the factors affecting harvesting productivity and 2) to discover the work stages of a harvester. ...
Transformer networks for short-term forecasting of electricity prosumption
(2021)
Efficient energy management is accomplished by ensuring sustainable production of power and usage with minimized energy wastage. Electricity prosumption refers to electricity production and consumption. The forecasting of ...