Acta Polytechnica Hungarica: Recent submissions
Now showing items 101-120 of 186
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Motion Planning for Chemical Systems: Consecutive Reactions
(2025)Motion planning is widely used for analyzing and controlling nonlinear systems, such as mobile robot navigation and robotic automation. When a mathematical model of the system is available, motion planning allows for ... -
Evaluate the Rollover Stability Characteristics of the Liquid Elliptical Tank Truck when Changing Motion Direction
(2025)Rollover accidents of vehicle caused a very serious impact on human life and property. The rollover possibility of a tank truck was usually higher than that of a traditional passenger vehicle because the vibrations of ... -
End-to-End Multi-Level Encoding Methods of Visual Data Compression for Robust Monocular Visual ORB-SLAM
(2025)Simultaneous localization and mapping (SLAM) has been highly studied in the last decade. It allows the estimation of the camera pose of a mobile device and the creation of a map of the surrounding environment concurrently. ... -
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 ... -
The Connection between Emotional Reactions and Successful Cyber Attacks – a Measurement Prototype
(2025)The cybersecurity landscape is increasingly complex. Many researches show that the root cause of a successful cyberattack is a lack of cybersecurity awareness. This is because the human is the weakest link in the Information ... -
Not Small - Not Big Data: the Missing Size in the Data Spectrum
(2025)This paper addresses the classification of data sets that do not fit into the traditional categories of Small Data or Big Data, introducing an intermediate category called Not-Small-Not-Big Data (NoS-NoB Data). Understanding ... -
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) ... -
Robust and Optimal Control Design for Vehicle Suspension System
(2025)Developing a reliable control algorithm for a mechatronic suspension can be tricky because of the nonlinear nature of the system and the necessity to achieve a good trade-off between the requirements of road handling ... -
Design and Implementation of a Laboratory Prototype for Boolean Function Simplification in Real Time
(2025)The aim of this study is to develop a three-variable Karnaugh-Map (K-MAP) in hardware. K-MAPs are extensively used in digital logic design for simplifying Boolean expressions. Here, we automate the process of Boolean ... -
The Extension of the Triple Fuzzy Time Dependent Travelling Salesman Problem Model, with a Discrete Bacterial Memetic Optimization Algorithm
(2025)The Traveling Salesman Problem (TSP) is one of the most often studied NP-hard graph search problems. There have been numerous publications in the literature that applied various approaches to find the optimum or semi ... -
Recovery Processes of Small and Powdered Iron-Containing Waste, from the Steel Industry
(2025)On a daily basis, within the steel industry, significant amounts of small and powdered waste are generated, which possess intrinsic value, determined by their content of useful elements (e.g., Fe, C). For this reason, ... -
Debugging Cloud Continuum Blueprint Primitives with an ML-based Steering Method Toward Extreme Conditions
(2025)Debugging high-dimensional state spaces in cloud continuum environments poses significant challenges, particularly when investigating extreme conditions such as high latency, competing on resources, or configuration ... -
Comparative Analysis of Performances of an Improved Particle Swarm Optimization and a Traditional Particle Swarm Optimization for Training of Neural Network Architecture Space
(2025)Many studies evaluating the performance of various optimization methods for training Artificial Neural Networks (ANNs) have produced conflicting results. This discrepancy often arises due to the limited application of ... -
A Preprocessing Method to Improve Edge Crack Detection from Railway Tunnel Lining Images
(2025)Crack detection is critical for guaranteeing the safety of bridges, railways, and other infrastructures; however, it is a difficult task, particularly for tunnels. Tunnel lining images are primarily acquired using vision ... -
Estimation of Vertical Forces and Track Degradation Considering, Wheel-Rail Interaction, Railway Traffic Severity and Seasonal Conditions
(2025)Investigation of train speed, axle load and environmental conditions impact on the vertical forces that are exerted on railway tracks is an actual railway track condition monitoring issue. Authors studied this problem ... -
Influence of Rail Surface Geometry on Wear and Service Life of Crossing Rails
(2025)The railway system plays a crucial role in a nation's economy and society, extending beyond mere transportation. In earthquake-prone regions like Razavi Khorasan in Iran, railway infrastructure is highly vulnerable to ... -
Rolling Contact fatigue Defects and a New Approach to Rail Material Management
(2025)This article describes the current method of calculating the Hertzian contact stress and the corresponding shear stress occurring in the rail head at the rail-wheel contact and highlights the false sense of security that ... -
Numerical Analysis of Stabilization Schemes for the Deformed State of Railway Embankment, Using Piles
(2025)This article presents a numerical analysis of stabilization schemes for the deformed state of a railway embankment using piles. The study involves the analysis of the concept of reinforcing the railway embankment with ... -
A Roughness, Feature-based Algorithm of Point Cloud Segmentation of the Secondary Lining in NATM Tunnel
(2025)To realize point cloud segmentation of secondary lining in tunnel under construction, a roughness feature-based point cloud segmentation algorithm for secondary lining is developed in this paper. Preprocessing of raw ...