Browsing Acta Polytechnica Hungarica by Title
Now showing items 1-20 of 175
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ACSRA ICS: Automated Cyber Security Risk Assessment Methodology for Industrial Control Systems
(2025)The adoption of 5G in SCADA and ICS environments represents a paradigm shift, offering enhanced connectivity, flexibility, and responsiveness. However, this transition mandates a comprehensive approach to cybersecurity ... -
An Analysis of the Consequential Characteristics of Telework, due to the Coronavirus Pandemic, based on the Opinion surveys of Hungarian Employees
(2024)The coronavirus epidemic that appeared at the beginning of 2020, was declared a “pandemic”, by the World Health Organization (WHO) on 11 March 2020. The coronavirus pandemic had a significant impact, not only on people’s ... -
An Assignment Model for Scheduling Vehicles with Refueling
(2025)The vehicle scheduling problem consists of scheduling a fleet of vehicles to cover a set of tasks at a minimum cost. The tasks are given in predetermined time intervals, and the vehicles are supplied by different depots. ... -
An Enhanced Data Mining Classification based on Shuffled Frog Leaping Optimization
(2025)Association Rule Mining (ARM) uncovers meaningful associations within discrete and categorical datasets. This paper introduces an innovative ARM method leveraging the Modified Shuffled Frog Leaping Optimization (MSFLO) ... -
An Image Fusion Method of SAR and Optical Images, Based on Image Intensity Fields, by Reducing the Effect of Speckle Noise
(2024)This study proposes an improved fusion method, that takes advantage of the combined strengths of existing fusion methods. First, current methods are compared using a fusion of noisy images from the Synthetic Aperture ... -
Analysis of Magnetic Force Linearity in Magnetic Levitation Systems
(2025)The important parameters of bar magnet configurations, in which the same poles are facing each other, are investigated with a focus on their potential applications in magnetic levitation. The scalar product of the magnetic ... -
Analysis of State Estimation Accuracy in Distribution Networks Using Pseudo- Measurement Selection and Real Measurement Incorporation
(2024)In this paper, we investigate computationally efficient methodologies for generating pseudo-measurements with the aim of selecting the set of pseudo-measurements that can achieve maximum state estimation accuracy for a ... -
Analysis of Student’s Teaching Expectations: Based on Examples from Slovenian and Hungarian Management Courses
(2024)The demand for competent and enthusiastic (project) managers is increasing, and so is the need for an appropriate (project) management education. Despite this importance, the number of relevant, and up-to-date courses ... -
Application of Data Analytics Techniques for Predicting Customer Churn
(2025)This paper deals with the classification of bank customers based on their characteristics. The aim of this research is to provide an optimal model capable of identifying customers who plan to leave the bank in the near ... -
Artificial Intelligence Techniques and Biomimetic Methods Supporting Heat Treatment Processes
(2024)In the last decade several computational methods have been applied successfully to optimize the heat treatment processes. Among others, Biomimetic methods have been developed for solving complex and robust optimization ... -
Artificial Neural Network Models for Solar Radiation Estimation Based on Meteorological Data
(2025)The presence of solar energy in a particular area is closely related to meteorological parameters in that region. In this study, solar radiation estimation was carried out by using meteorological data recorded in different ... -
Assessing the Accuracy of Electricity Price Forecasting Models, Before and After, the Impact of Energy Crisis Using Univariate and Multivariate Methods
(2024)Forecasting wholesale electricity prices (EPs) is a highly challenging process, especially in an unstable environment. The electricity market is sensitive to crisis events, which can cause significant fluctuations in ... -
Assessing the Impact of Integrating Photovoltaic Systems and Wind Turbines, on Power System Stability and Performance Parameters
(2024)This study aims to identify the behavior of parameters in different operating regimes, respectively short circuits in a part of the power system that include renewable sources, respectively wind and photovoltaic (PV) ... -
Assessing the Limits of Simple Quantum Hardware
(2025)Although quantum computing is advancing rapidly, ensuring the accuracy and reliability of the computations available to quantum computer researchers is still a challenge today. This paper reviews the main directions of ... -
Assessment of the University Digital Ecosystem through Intelligent Analysis of Open-Ended Survey Responses
(2025)The use of open-ended questions in surveys for conducting research in various fields of activity allows you to obtain detailed and in-depth information that can be used to make important decisions. However, automatic ... -
Automated Inspection System with GPS and Deep Learning in Urban Rail Safety and Efficiency
(2025)Paper focuses on a novel automated rail inspection system, incorporating advanced technologies such as GPS for precise location tracking and GSM/GPRS modules for efficient data transmission. The system uses deep learning ... -
Bathymetric Survey and Digital Elevation Model, using an Echo Sounder/Acoustic Sonar: The Case of Dobra Lake (Hunedoara, Romania)
(2025)Bathymetric surveying represents a type of hydrographic survey that maps the details of underwater landforms such as rivers, lakes, seas or oceans. Data obtained from bathymetric surveys is especially important for ...