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View article: Research on the Implementation of New Communication Technologies to Improve Quality and Stability in Motion Control of Autonomous Mobile Robots
Research on the Implementation of New Communication Technologies to Improve Quality and Stability in Motion Control of Autonomous Mobile Robots Open
This article presents experimental research focused on the implementation and evaluation of new wireless communication technologies to enhance the quality and stability of motion control in autonomous mobile robots. The reason for this res…
View article: Methodology of Object Reconstruction by Photogrammetry and Structured-Light Scanning for Industrial 3D Visualisation
Methodology of Object Reconstruction by Photogrammetry and Structured-Light Scanning for Industrial 3D Visualisation Open
In the context of accelerating digitalization, reliable object reconstruction represents a key prerequisite for developing accurate and functional digital twins. This study introduces a unified evaluation methodology designed to assess and…
View article: EXPERIMENTAL SYSTEM FOR MEASURING THE BENDING STIFFNESS OF SOFT ACTUATORS BASED ON SERVO DRIVES
EXPERIMENTAL SYSTEM FOR MEASURING THE BENDING STIFFNESS OF SOFT ACTUATORS BASED ON SERVO DRIVES Open
This article deals with the design, construction, and testing of a new system for measuring the stiffness of soft actuators. These actuators move similarly to living organisms using flexible materials and internal pressure. The study prese…
View article: Real-Time Monitoring of 3D Printing Process by Endoscopic Vision System Integrated in Printer Head
Real-Time Monitoring of 3D Printing Process by Endoscopic Vision System Integrated in Printer Head Open
This study investigates the real-time monitoring of 3D printing using an endoscopic camera system integrated directly into the print head. The embedded endoscope enables continuous observation of the area surrounding the extruder, facilita…
View article: Decarburization and Its Effects on the Properties of Plasma-Nitrided AISI 4140 Steel: A Review
Decarburization and Its Effects on the Properties of Plasma-Nitrided AISI 4140 Steel: A Review Open
Despite the surge in plasma nitriding research, few reviews thoroughly examine how surface decarburization—occurring both before and during the treatment—affects AISI 4140 and similar steel grades. This review addresses that shortfall by p…
View article: Energy Conversion in the Working Nozzle of a Pneumatic Abrasive-Jet Unit
Energy Conversion in the Working Nozzle of a Pneumatic Abrasive-Jet Unit Open
The article investigates the working processes in the channels with relatively simple geometry, such as working nozzles and seals designed to regulate the working flow jet passing through them. The main aim was to solve an essential scient…
View article: Analytical, Numerical, and Experimental Studies of the Working Process in a Pneumatic Abrasive Installation
Analytical, Numerical, and Experimental Studies of the Working Process in a Pneumatic Abrasive Installation Open
The article presents the results of numerical and experimental studies of a working nozzle for jet-abrasive machining of material surfaces. Nozzle designs with variable geometry were investigated. The aim of the study was to identify reser…
View article: Assessment of Surface Integrity in Precision Electrical Discharge Machining of HSS EN HS6-5-2C
Assessment of Surface Integrity in Precision Electrical Discharge Machining of HSS EN HS6-5-2C Open
The integrity of the machined surface in precision wire electrical discharge machining (WEDM) of electrically conductive materials is one of the most important quality indicators. The integrity parameters of the machined surface are primar…
View article: ASSESSMENT OF PHOTOGRAMMETRY TECHNIQUES FOR 3D MODEL ACQUISITION: A COMPARATIVE STUDY ON THE ACCURACY AND SUITABILITY OF SCANNED MODELS COMPARED TO CAD REFERENCES
ASSESSMENT OF PHOTOGRAMMETRY TECHNIQUES FOR 3D MODEL ACQUISITION: A COMPARATIVE STUDY ON THE ACCURACY AND SUITABILITY OF SCANNED MODELS COMPARED TO CAD REFERENCES Open
This paper presents a comprehensive evaluation of the accuracy of 3D scanning methods using various devices and software to generate 3D models. The resulting models were compared to their corresponding Computer-Aided Design (CAD) models to…
View article: PETG as an Alternative Material for the Production of Drone Spare Parts
PETG as an Alternative Material for the Production of Drone Spare Parts Open
Material selection is the main challenge in the drone industry. In this study, hardness, abrasive wear, impact resistance, tensile strength, and durability (frost resistance and accelerated ageing) were identified as important characterist…
View article: Electricity Generation at Gas Distribution Stations from Gas Surplus Pressure Energy
Electricity Generation at Gas Distribution Stations from Gas Surplus Pressure Energy Open
At gas distribution stations (GDSs), the process of throttling (pressure reduction) of natural gas occurs on gas pressure regulators without generating useful energy. If the gas expansion process is created in a turbine, to the shaft where…
View article: Novel Gesture-Based Robot Programming Approach with the Ability of Code Reuse
Novel Gesture-Based Robot Programming Approach with the Ability of Code Reuse Open
Nowadays, there is a worldwide demand to create new, simpler, and more intuitive methods for the manual programming of industrial robots. Gestures can allow the operator to interact with the robot more simply and naturally, as gestures are…
View article: Effect of Erosion on Surface Roughness and Hydromechanical Characteristics of Abrasive-Jet Machining
Effect of Erosion on Surface Roughness and Hydromechanical Characteristics of Abrasive-Jet Machining Open
The article contains the fundamental results of the experimental and numerical investigations for pneumo-abrasive unit nozzles with different geometries. The research was purposed by the pressing need to develop an inexpensive and effectiv…
View article: The Influence of the Design Features of the Submersible Pump Rotor on the Vibration Reliability
The Influence of the Design Features of the Submersible Pump Rotor on the Vibration Reliability Open
Pumping equipment consumes about 20 % of the electrical energy produced by humankind. A significant, even drastic, reduction in the weight and size indicators of pumping equipment leads to a decrease in the cost price and, therefore, compe…
View article: An Increase in the Energy Efficiency of R744 Heat-Using Thermotransformers
An Increase in the Energy Efficiency of R744 Heat-Using Thermotransformers Open
This article deals with improving waste heat transformation in heat-using thermotransformers. Based on the directives of the European Commission on refrigeration equipment requirements, the possibility of using carbon dioxide (R744) in hea…
View article: Pyrocarbon Coating on Granular Al2O3 for HTGR-Type Power Reactor
Pyrocarbon Coating on Granular Al2O3 for HTGR-Type Power Reactor Open
Fourth-generation nuclear power systems are based on high-temperature gas-cooled reactors, in which the pebble fuel is the primary energy carrier. In this regard, applying protective pyrocarbon coatings on granulated fuel is an essential p…
View article: Effect of Impeller Trimming on the Energy Efficiency of the Counter-Rotating Pumping Stage
Effect of Impeller Trimming on the Energy Efficiency of the Counter-Rotating Pumping Stage Open
Developing ways to increase centrifugal pumps’ pressure and power characteristics is a critical problem in up-to-date engineering. There are many ways to resolve it, but each has advantages and flaws. The presented article aimed to ensure …
View article: Special Issue on Modelling, Simulation and Control in Combustion Processes of Renewable Fuels
Special Issue on Modelling, Simulation and Control in Combustion Processes of Renewable Fuels Open
The modeling and simulation of combustion processes is still a challenging field [...]
View article: Experimental Studies and Condition Monitoring of Auxiliary Processes in the Production of Al2O3 by Sol–Gel Technology
Experimental Studies and Condition Monitoring of Auxiliary Processes in the Production of Al2O3 by Sol–Gel Technology Open
Powders and granules of heavy metal oxides produced through condition monitoring are in high demand as intermediate products for obtaining fine-grained ceramics for a wide range of applications, i.e., nuclear fuel and fuel elements for nuc…
View article: Friction Properties of the Heat-Treated Electroless Ni Coatings Embedded with c-BN Nanoparticles
Friction Properties of the Heat-Treated Electroless Ni Coatings Embedded with c-BN Nanoparticles Open
The nickel (Ni) coatings without and with embedded (5–7 vol. %) cubic boron nitride (c-BN) nanoparticles (10 nm in diameter) were deposited on carbon steel substrate by an electroless plating process. Coatings were tested in as-deposited a…
View article: Online Monitoring of Surface Quality for Diagnostic Features in 3D Printing
Online Monitoring of Surface Quality for Diagnostic Features in 3D Printing Open
Investigation into non-destructive testing and evaluation of 3D printing quality is relevant due to the lack of reliable methods for non-destructive testing of 3D printing defects, including testing of the surface quality of 3D printed par…
View article: Using Regression Analysis for Automated Material Selection in Smart Manufacturing
Using Regression Analysis for Automated Material Selection in Smart Manufacturing Open
In intelligent manufacturing, the phase content and physical and mechanical properties of construction materials can vary due to different suppliers of blanks manufacturers. Therefore, evaluating the composition and properties for implemen…
View article: Numerical Simulation of Gas Flow Passing through Slots of Various Shapes in Labyrinth Seals
Numerical Simulation of Gas Flow Passing through Slots of Various Shapes in Labyrinth Seals Open
Labyrinth seals are widely used in centrifugal compressors, turbines, and many other pneumatic systems due to their simplicity of design, reliability, and low cost. The calculation scheme for the movement of the working medium in a labyrin…
View article: Drying Biomass with a High Water Content—The Influence of the Final Degree of Drying on the Sizing of Indirect Dryers
Drying Biomass with a High Water Content—The Influence of the Final Degree of Drying on the Sizing of Indirect Dryers Open
This article deals with the influence of the final drying degree of moist biomass used as fuel in a power or CHP plant on indirect dryer sizing. For a description of the drying process, experiments with wet bark containing approx. 50 wt% o…
View article: Biomass Combustion Control in Small and Medium-Scale Boilers Based on Low Cost Sensing the Trend of Carbon Monoxide Emissions
Biomass Combustion Control in Small and Medium-Scale Boilers Based on Low Cost Sensing the Trend of Carbon Monoxide Emissions Open
The article deals with the possibility of efficient control of small and medium-scale biomass-fired boilers by implementing low-cost sensors to sense the trend of carbon monoxide emissions into control of the biomass combustion process. Ba…
View article: Research of Geometric Accuracy of Circular Holes Machined by Wire EDM Technology
Research of Geometric Accuracy of Circular Holes Machined by Wire EDM Technology Open
The geometric accuracy of the machined surface after WEDM can generally be understood as complying with the requirements of shape, position, orientation and runout accuracy. Its level is usually quantified by the respective deviations from…
View article: Computer-aided design and production information support
Computer-aided design and production information support Open
Information support for modern computer-aided design of products and processes is considered in this review in accordance with the methodology of the integrated CAD/CAM/CAE system. Three levels of the management hierarchy at the design and…
View article: Modeling of Technological Processes for a Rectification Plant in Second-Generation Bioethanol Production
Modeling of Technological Processes for a Rectification Plant in Second-Generation Bioethanol Production Open
The article deals with the recent developments in the fuel industry, considering the permanent increasing requirements for fuel quality and environmental safety. The work aims to study various technological modes at the rectification unit …
View article: CNN Training Using 3D Virtual Models for Assisted Assembly with Mixed Reality and Collaborative Robots
CNN Training Using 3D Virtual Models for Assisted Assembly with Mixed Reality and Collaborative Robots Open
The assisted assembly of customized products supported by collaborative robots combined with mixed reality devices is the current trend in the Industry 4.0 concept. This article introduces an experimental work cell with the implementation …