1. Development of family of artificial neural networks for the prediction of cutting tool conditionObrad Spaić, Zdravko Krivokapić, Davorin Kramar, 2020, original scientific article Abstract: Recently, besides regression analysis, artificial neural networks (ANNs) are increasingly used to predict the state of tools. Nevertheless, simulations trained by cutting modes, material type and the method of sharpening twist drills (TD) and the drilling length from sharp to blunt as input parameters and axial drilling force and torque as output ANN parameters did not achieve the expected results. Therefore, in this paper a family of artificial neural networks (FANN) was developed to predict the axial force and drilling torque as a function of a number of influencing factors. The formation of the FANN took place in three phases, in each phase the neural networks formed were trained by drilling lengths until the drill bit was worn out and by a variable parameter, while the combinations of the other influencing parameters were taken as constant values. The results of the prediction obtained by applying the FANN were compared with the results obtained by regression analysis at the points of experimental results. The comparison confirmed that the FANN can be used as a very reliable method for predicting tool condition. Keywords: drilling, cutting tool, twist drill bits, axial force, tool wear, prediction, artificial neural networks, back propagation Published in DKUM: 15.01.2026; Views: 0; Downloads: 1
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2. Comparison of artificial neural network, fuzzy logic and genetic algorithm for cutting temperature and surface roughness prediction during the face milling processBorislav Savković, Pavel Kovač, D. Rodic, Branko Strbac, Simon Klančnik, 2020, original scientific article Abstract: This paper shows the possibility of applying artificial intelligence methods in milling, as one of the most common machining operations. The main goal of the research is to obtain reliable intelligent models for selected output characteristics of the milling process, depending on the input parameters of the process: depth of cut, cutting speed and feed to the tooth. One of the problems is certainly determining the value of input parameters of the processing process depending on the objective function, i.e. the output characteristics of the milling process. The selected objective functions in this paper are the temperature in the cutting zone and arithmetic mean roughness of the machined surface. The paper examines the accuracy of three models based on artificial intelligence, obtained through artificial neural networks, fuzzy logic, and genetic algorithms. Based on the mean percentage error of deviation, conclusions were drawn as to which of the three models is most adequately applied and implemented in appropriate process systems, which are based on artificial intelligence. Keywords: artificial intelligence, artificial neural networks (ANN), fuzzy logic, genetic algorithms (GA), face milling, modelling, surface roughness, cutting temperature Published in DKUM: 15.01.2026; Views: 0; Downloads: 1
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3. Neuro-mechanistic model for cutting force prediction in helical end milling of metal materials layered in multiple directionsUroš Župerl, Franc Čuš, Anna Zawada-Tomkiewicz, Krzysztof Stępień, 2020, original scientific article Keywords: helical end milling, multidirectional layered metal material, cutting forces, specific cutting forces, neuro-mechanistic model, modelling, prediction, artificial neural networks Published in DKUM: 13.01.2026; Views: 0; Downloads: 1
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4. Estimating the position and orientation of a mobile robot using neural network framework based on combined square-root cubature Kalman filter and simultaneous localization and mappingD. Wang, 2020, original scientific article Abstract: The real-time performance of target tracking, detection, and positioning behaves not well for non-Gaussian and nonlinear model with circumstance uncertainty. The weak observability of the system under large noise causes the algorithm unstable and slow to converge. A new estimation algorithm combining square-root cubature Kalman filter (SRCKF) with simultaneous localization and mapping (SLAM) is proposed. By connecting neural network weights, network input, functional types and ideal output network, the algorithm firstly update iteratively the SRCKF-SLAM state model and observation model, then conduct the cubature point estimate (weights) neural network framework. Thus, a point set better representing the target state and a more accurate state estimation are achieved, which can improve the filtering accuracy. This paper also estimates robot and characteristic states by filtering in groups. The simulation results showed that the proposed algorithm is feasible and effective. Compared with other filtering algorithms such as SRUKF and SRCDKF, it improves the estimation accuracy. Applying the new algorithm to the position filtering estimation of mobile robot can effectively reduce the positioning error, achieve high-precision tracking detection, and improve the accuracy of robot target detection. Keywords: mobile robots, Square-root cubature Kalman filter, simultaneous localization and mapping, SLAM, sensors, artificial neural networks, Iiteration update, filter estimate Published in DKUM: 12.01.2026; Views: 0; Downloads: 0
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5. A secure way of communication for smart grid networksPooja Tyagi, Saru Kumari, Mohammed J. F. Alenazi, Marko Hölbl, 2025, original scientific article Abstract: In 2021, Khan et al. suggested a scheme based on smart grid networks. They deployed the random oracle model to justify the security of their scheme formally. They also verified the security of the scheme using the AVISPA software tool. We studied this scheme and found some security issues. The scheme suffers from a confidentiality breach attack. In Khan et al.’s scheme, an adversary can track both the user and the server, and it does not provide user and server anonymity. An adversary can also impersonate a server. To overcome all these security issues, we propose a protocol for smart grid networks. In our proposed scheme, we maintain all the qualities of Khan et al.’s scheme and try to remove all its weaknesses. Keywords: key agreement, smart grid, smart grid networks, user authentication Published in DKUM: 01.12.2025; Views: 0; Downloads: 0
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6. A machine vision approach to assessing steel properties through spark imagingGoran Munđar, Miha Kovačič, Uroš Župerl, 2025, original scientific article Abstract: Accurate and efficient evaluation of steel properties is crucial for modern manufacturing. This study presents a novel approach that combines spark imaging and deep learning to predict carbon content in steel. By capturing and analyzing sparks generated during grinding, the method offers a fast and cost-effective alternative to conventional testing. Using convolutional neural networks (CNNs), the proposed models demonstrate high reliability and adaptability across different steel types. Among the tested architectures, MobileNet-v2 achieved the best performance, balancing accuracy and computational efficiency. The findings highlight the potential of machine vision and artificial intelligence in non-destructive steel analysis, providing rapid and precise insights for industrial applications. Keywords: carbon content prediction, convolutional neural networks, deep learning, machine vision, spark imaging, steel analysis Published in DKUM: 03.11.2025; Views: 0; Downloads: 7
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7. The impact of artificial intelligence in business communication on social networks: a case studyBlaž Kovač, 2025, undergraduate thesis Abstract: Artificial intelligence has revolutionised the way we communicate in recent years, especially on social networks, where communication is fast and large-scaled. Companies are also using artificial intelligence to communicate with customers, including automating messages intended for customer acquisition, which raises a key question: how effective are messages created with artificial intelligence compared to messages written without artificial intelligence? This thesis analyses the impact of artificial intelligence on business communication using the example of company X. The research compares the effectiveness of messages created with artificial intelligence with messages written without artificial intelligence in the form of LinkedIn outreach, focusing on two key performance indicators: the response rate to the messages and the number of video calls made with potential customers. In addition, the time efficiency of preparing content for messages with and without artificial intelligence was also analysed.
The results show that messages created with artificial intelligence were not only faster to prepare but also achieved higher response rates and a higher number of scheduled video calls with customers compared to messages written without artificial intelligence. This thesis contributes to a better understanding of the role of artificial intelligence in modern business communication and offers insights into its value in connecting with potential customers via social networks, using a practical example. Keywords: Artificial intelligence, business communication, social networks, comparison. Published in DKUM: 03.10.2025; Views: 0; Downloads: 19
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8. Micro-location temperature prediction leveraging deep learning approachesAmadej Krepek, Iztok Fister, Iztok Fister, 2025, original scientific article Abstract: Nowadays, technological progress has promoted the integration of artificial intelligence into modern human lives rapidly. On the other hand, extreme weather events in recent years have started to influence human well-being. As a result, these events have been addressed by artificial intelligence methods more and more frequently. In line with this, the paper focuses on searching for predicting the air temperature in a particular Slovenian micro-location by using a weather prediction model Maximus based on a longshort term memory neural network learned by the long-term, lower-resolution dataset CERRA. During this huge experimental study, the Maximus prediction model was tested with the ICON-D2 general-purpose weather prediction model and validated with real data from the mobile weather station positioned at a specific micro-location. The weather station employs Internet of Things sensors for measuring temperature, humidity, wind speed and direction, and rain, while it is powered by solar cells. The results of comparing the Maximus proposed prediction model for predicting the air temperature in micro-locations with the general-purpose weather prediction model ICON-D2 has encouraged the authors to continue searching for an air temperature prediction model at the micro-location in the future. Keywords: long short-term memory neural networks, air temperature, micro-location, prediction, weather, Internet of Things Published in DKUM: 25.09.2025; Views: 0; Downloads: 10
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9. Support structures and intergenerational support during and after the COVID-19 pandemicDunja Potočnik, Andrej Naterer, 2025, independent scientific component part or a chapter in a monograph Abstract: This chapter examines the role of formal and informal support structures in shaping the well-being and resilience of youth in Croatia and Slovenia. In both countries, families remain the most important support system, particularly mothers, who are consistently identified as central figures in providing emotional and practical assistance. While peers also play a crucial role, the pandemic disrupted these relationships and reduced opportunities for in-person interaction. Institutional support, such as educational and employment services, remains important but often perceived as inaccessible or poorly adapted to the actual needs of youth. At the same time, a low level of trust in political institutions and the welfare system was observed, particularly in Croatia, which reinforces reliance on familial networks. Digital platforms increasingly serve as alternatives for connection and advice, although they cannot replace interpersonal support. Policy implications stress the need to expand accessible, youth-centred services, including mental health care, career guidance, and community-based initiatives. Strengthening institutional trust and investing in participatory frameworks would help diversify support beyond families and foster more resilient pathways for young people's social integration and life transitions. Keywords: youth support, family networks, institutional trust, mental health, Croatia and Slovenia Published in DKUM: 09.09.2025; Views: 0; Downloads: 6
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10. Ensemble-based knowledge distillation for identification of childhood pneumoniaGrega Vrbančič, Vili Podgorelec, 2025, original scientific article Abstract: Childhood pneumonia remains a key cause of global morbidity and mortality, highlighting the need for accurate and efficient diagnostic tools. Ensemble methods have proven to be among the most successful approaches for identifying childhood pneumonia from chest X-ray images. However, deploying large, complex convolutional neural network models in resource-constrained environments presents challenges due to their high computational demands. Therefore, we propose a novel ensemble-based knowledge distillation method for identifying childhood pneumonia from X-ray images, which utilizes an ensemble of classification models to distill the knowledge to a more efficient student model. Experiments conducted on a chest X-ray dataset show that the distilled student model achieves comparable (statistically not significantly different) predictive performance to that of the Stochastic Gradient with Warm Restarts ensemble method (F1-score on average 0.95 vs. 0.96, respectively), while significantly reducing inference time and decreasing FLOPs by a factor of 6.5. Based on the obtained results, the proposed method highlights the potential of knowledge distillation to enhance the efficiency of complex methods, making them more suitable for utilization in environments with limited computational resources. Keywords: knowledge distillation, convolutional neural networks, childhood pneumonia Published in DKUM: 20.08.2025; Views: 0; Downloads: 7
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