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Alternative energy sources in Latvia and their impact on social well-being.

Rapid climate change as well as the geopolitical situation in the world are encouraging the spread and development of "green" energy sources not only at a national level but also in the household sector. This is why alternative energy sources have become increasingly popular in recent years.This study shows the use of alternative energy sources in Latvia and the Baltic States, their patterns, and development opportunities. The results of the analysis of the statistical databases of the Baltic countries show the trends towards alternative energy sources in recent years.The study has highlighted the importance of improving the energy efficiency of buildings alongside the increasing trend towards alternative energy sources and the support programs that have been set up for this purpose. This Research is based on plans, regulations, and laws to increase the use of alternative energy sources and reduce gas emissions.This study evaluates the impact of the development and deployment of alternative energy sources on households and the benefits they can gain.

Author: Roberts Andrejevs

Supervisor: Veronika Siliņeviča

Degree: Bachelor

Year: 2024

Work Language: English

Study programme: Business and Management

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Development of Cross-Platform Mobile Application “Health Care for Pets”

The aim of this work was to develop a cross-platform mobile application, “Health Care for Pets,” with the main objective of providing pet owners a comprehensive, user-friendly tool for effective pet care.In the course of the work, an analysis of the subject area was conducted, and existing analogues were analysed. The system and functional requirements, as well as the main users for the application, were identified. Based on the analysis and requirements, the application, server, data access component and database were designed. The system was implemented using Visual Studio, in the C# programming language. The developed application was tested in the final stage.The application created during the bachelor's thesis meets all the requirements.

Author: Roberts Dubovskis

Supervisor: Karina Kostjkina

Degree: Bachelor

Year: 2024

Work Language: English

Study programme: Computer Science

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Improving the accuracy of optical character recognition of stone engravings using image pre-processing methods

This study focuses on the development of preprocessing methods to improve the accuracy of Optical Character Recognition (OCR) for stone engravings. The primary goal is to enhance the precision of widely used OCR tools, particularly for texts engraved on stone surfaces, which present unique challenges that differ from traditional OCR applications. Emphasis is placed on developing image preprocessing methods as a software product. Customized image manipulation scripts were used to improve recognition accuracy and address issues such as contrast, alignment, noise, and resolution. The preprocessing stage was integrated into the workflow designed for image transformation before OCR processing. Subsequently, the recognition improvements were evaluated based on text similarity metrics analysis. Iterative text recognition and repeated recognition of images after applying preprocessing demonstrated significant improvements in OCR accuracy. This work provides a solid foundation for further enhancement of OCR workflows by employing adaptable preprocessing techniques specifically designed for particular problem areas, achieving higher precision in text recognition.

Author: Romans Urbans-Orbans

Supervisor: Aleksandrs Grakovskis

Degree: Bachelor

Year: 2024

Work Language: Latvian

Study programme: Computer Science

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Comparative Analysis of Higher Education in Latvia, Estonia and Finland

The bachelor thesis consists of 4 chapters, the aim of which is to conduct a comparative analysis of the Latvian, Estonian and Finnish case studies by exploring and selecting criteria for the evaluation of higher education.The first chapter will help to understand the quality aspects of higher education in Latvia, Estonia and Finland, as well as to get basic information about the number of students, universities in the selected countries.The second chapter of the thesis aims at exploring and defining the criteria for the evaluation of higher education in order to provide an objective assessment of the quality of higher education.The third chapter is devoted to collecting information on selected evaluation criteria for higher education in Latvia, Estonia and Finland. It will describe indicators such as: curricula relevance to the Bologna Process, presence of international students, employment rate of graduates, international reputation and university rankings, access to higher education.The last chapter of the thesis focuses on the comparative analysis of the selected evaluation criteria, which emerges from the information described in the third chapter of the thesis.

Author: Samanta Kuzņecova

Supervisor: Veronika Siliņeviča

Degree: Bachelor

Year: 2024

Work Language: Latvian

Study programme: Business and Management

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Mobile robotic welding cell

This paper examines the market for robotization in welding production. It proposes the development of a portable robotic welding cell based on these insights. The work is divided into four sections.The first section explores the current market for robotic welding systems and evaluates the necessity of integrating such systems into welding production. It discusses advantages like increased efficiency and precision, alongside disadvantages such as high initial costs and maintenance.The second section outlines essential criteria for designing a mobile robotic welding cell. This includes constructing a technical diagram detailing the location and set of required components, defining necessary dimensional criteria, and creating a 3D model and structural diagram to illustrate component interactions.The third section involves selecting components that meet the established criteria. A functional diagram is constructed to demonstrate how these components work together to achieve the desired functionality of the mobile robotic welding cell.The final section develops an electrical circuit diagram for the connection of components in the control device. It demonstrates the logical connection of components and their signal interactions using the Ladder programming language in PLC.

Author: Saveliy Martynov

Supervisor: Aleksandrs Kraiņukovs

Degree: Bachelor

Year: 2024

Work Language: English

Study programme: Robotics

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