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Determination of produced and consumed electricity of a residential building using a graphical user interface
Eva Simonič, Iztok Brinovar, Sebastijan Seme, Klemen Sredenšek, 2021, professional article

Abstract: The primary objective of this paper is to present a graphical user interface for the calculation of electricity produced by a photovoltaic system and electricity consumed by a heat pump. The produced electricity is determined by a multi-year average of measurements of the global and diffuse power density of solar radiation for several places in Slovenia, while consumed electricity is determined based on the required heat for heating a residential building and domestic water. The calculation of produced and consumed electricity is validated by measurements on a real system. The developed graphical user interface enables simple user inputs of the photovoltaic system, heat pump, and the considered residential building, and provides a comprehensive technical analysis for installing both systems at the same location.
Keywords: graphical user interface, photovoltaic system, heat pump, production of electricity, consumption of electricity
Published in DKUM: 13.11.2023; Views: 216; Downloads: 8
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User Experience and Interface Design for a Digital Platform to Support Pet Adoption From Animal Shelters and Animal Rescue Organisations in Europe : magistrsko delo
Špela Bricman, 2023, master's thesis

Abstract: This thesis used design thinking to create a user-friendly digital platform named PetScout for adopting animals from European shelters and rescue groups. We conducted user interviews and an online survey and designed personas, empathy maps, and scenarios to understand user needs. As part of the design process, we defined the platform’s requirements and developed the information architecture. We identified two viable solutions for the project based on research findings: a web-based and a mobile-based solution. To visualize these ideas effectively, we developed prototypes at two different fidelities – low and high fidelity. The prototypes were tested in usability testing using the thinking-aloud method, which measured effectiveness, efficiency, and satisfaction. The usability testing results showed that our platform is visually appealing, user-friendly, intuitive, and easy to use. A vital finding was the platform’s effectiveness, as high-fidelity prototypes achieved a task completion rate of 100%. Moreover, the concept proved highly efficient since participants, on average, needed 166 seconds to finish vital tasks. Additionally, the SUS score of 97, supported by the positive qualitative user feedback, signifies outstanding user satisfaction and a high level of usability. Finally, this study highlights the importance of knowing and understanding user needs in design, and it provides recommendations to improve usability and potentially increase the number of successful adoptions on similar platforms.
Keywords: user experience design, user interface design, design thinking, user research, usability testing
Published in DKUM: 13.10.2023; Views: 417; Downloads: 24
.pdf Full text (7,91 MB)

User Experience of Croatian National & Nature Parks’ Website – A Comparison : a comparison
Mihaela Franjić, 2022, master's thesis

Abstract: We are not saying that tourism is a dynamic area for no reason, as the COVID–19 pandemic has shown us. Tourism is influenced by many external factors, and one of them is the development of digital technology, which must be monitored in parallel. We are currently in a historical period that is characterized by the fact that without the Internet there is no expansion into other markets. Digital technology covers all pores and activities of modern society, enables new ways for sales, development, distribution in the tourist market, which is full of opportunities and obstacles. Websites have evolved largely because they help, especially small and medium–sized organizations reduce costs, time, and help them market and present themselves to users. In this paper, we will deal with Croatian national and natural parks, which are a national treasure of exceptional importance for Croatian tourism, and which annually attract around 3.5 million tourists. For the first time, in 2017, the parks of Croatia integrated all the parks on one website through the PARCS project, as a basis for better informing users and promoting the parks as a brand on the tourist market. Precisely for this reason, we are interested in how users view the website www.parkovihrvatske.hr, since the appearance of the site has not been renewed since 2017. It is extremely important to know the opinion of potential users, because more than half of the time they plan and book their trip via the Internet with the help of a computer. This is one more reason to check the current situation and opinion of foreign and domestic citizens. The research enabled us to compare respondents, connect expectations and evaluations, and at the end provide an additional opinion of the respondents. In order to improve and improve the user experience according to the respondents, the website should work on its design, security, include all park offers together with tickets and update its information. Based on the analysis, we will try to present guidelines for upgrading the website if they want to be trendy, competitive and expand into the tourist market overwhelmed by digital transformation.
Keywords: Digital Tourism, Digital Transformation, User Interface, User Experience, Croatian National and Natural parks
Published in DKUM: 24.10.2022; Views: 719; Downloads: 115
.pdf Full text (3,09 MB)

AI for optimizing analog RF parameters on NFC frontends : magistrsko delo
Matej Žnidarič, 2022, master's thesis

Abstract: In this Master’s thesis, we study in detail NFC technology, NFC standardization, Artificial intelligence and GUI topics.Our goal is to optimize the measurement process of the FeliCa listener phase window in order to define the best analog parameters for the NFC IC. Namely, by combining machine learning and test automation, we want to achieve a faster validation time of the NFC IC under test. Firstly, we introduce the main topics related to NFC and present the thesis alongside specific goals. Next, we present the NFC technology on a fewuse cases. We also cover international standards, emphasizing sections that directly affect our validation and, therefore, the understanding of our solution. The NFC coverage is described alongside data representation used to interpret data used in proprietary software. Artificial intelligence is integrated into this software for multidimensional data interpolation task. We also cover the basics of deep neural networks and the most common architectures used in the DL field. The neural network training process is also covered to understand how we can optimize neural network global minimum convergence. In the last part of the thesis, we also explain how proprietary software tool actually works and how it can outperform previous processes. In the end, specific solutions related to the tool are described in more detail to understand our software development decisions better. Finally, we present measurement results and evaluate our goals.
Keywords: NFC wireless communication, artificial intelligence, test coverage, FeliCa, graphical user interface, analog parameter extraction
Published in DKUM: 08.06.2022; Views: 1044; Downloads: 0

Vpliv uporabnika na spletno marketinško platformo
Slavica Šuman, 2017, master's thesis

Abstract: As a part of the Master thesis, we wanted to improve user experience, user interface and usability of Forsikringsportalen platform. Based on literature review and case studies conducted from the same or similar area of research, we redesigned certain elements of the platform. The performance of the redesigned elements was measured with Preference and Question tests as well as gathering of statistical data. With gathered results, we formed a conclusion that will help the company to engage users more. With the implemented improvements and increased percentage of first-time logins, the company can focus on the engagement after the login.
Keywords: Forsikringsportalen, usability, user experience, user interface, online platform
Published in DKUM: 06.10.2017; Views: 1664; Downloads: 42
.pdf Full text (3,87 MB)

Materials design for language m-learning
Dejan Pukšič, Melita Zemljak Jontes, Marjan Krašna, 2015, original scientific article

Abstract: Today's smart phones are versatile multimedia devices. Their processing power is incredible compared to decades-old personal computers (PCs), and the time is right to use them in education. The touch screen has provided a haptic user interface that cannot be considered as merely another mouse. The design of m-learning materials therefore needs to follow a special set of rules to maximize the efficiency of constraints posed by the devices and the user interface. In the article the design considerations are presented in the context of a practical application for using mobile devices in language learning with the application BlaBla$^{TM}$.
Keywords: m-learning, design, mobile assisted language learning, haptic user interface
Published in DKUM: 21.09.2017; Views: 1271; Downloads: 153
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