All of the articles in this proceedings volume have been presented at the ICMD2022 during 13th to 15th September 2022 in Harrachov. These articles have been peer reviewed by the members of the Scientific Committee and approved by the Editor-in-Chief, who affirms that this document is a truthful description...

In this paper, finite element (FE) analysis is performed for the asymmetric four-point bend specimen under mixed mode fracture loading conditions. This test configuration can be used in studies of mixed mode I/II and mixed mode I/II/III crack problems. In order to study mixed-mode I/II loading, two alternatives...

The article deals with the change in the roughness of the shaft surface after several tightening of the clamping sleeve. The roughness of the surface has a major influence on the magnitude of the coefficient of shear friction. The coefficient of shear friction is one of the main parameters for a clamping...

The present study examined a repeated pressing of bulk pumpkin seeds heated at temperatures of 40, 60 and 80 ℃ for 1 hour and compressed under an axial loading at a maximum load of 200 kN and speed of 5 mm/min. The sample temperature of 23 ℃ served as the control. The pressing vessel of diameter 60 mm...

The BLDC motor design is currently greatly simplified by the use of FEM software. This article deals with the possibilities of realizing such a design in the ansys electronics software.

This paper shows a case study of the 3I (Innovation by Increasing Ideality) method to resolve a production-related problem with cleaning distance rings. These rings are used to hold the gap between saw blades during the process of cutting hard crystals. The problem is that sediments are created on the...

This article is based on new general geometrical tolerances and general size tolerances according to ISO 22081 from year 2021 used in ISO GPS standards. This standard canceled and replaced ISO 2768-2 from year 1989. The main changes are rules for application of general geometrical specification and general...

This paper presents the interpretation of new rules of general product specification (GPS) according to International Standard EN ISO 22081. Standard EN ISO 22081 sets out rules for the definition and interpretation of general geometric specifications and general dimensional specifications (Article 5.12...

This paper aims to investigate on laminated glass composite panel (LGCP) including at least one viscoelastic interlayer which can resolve several design problems. LGCP can be offered to increase strength stiffness characteristics of the panel or sound damping proficiencies. In this study, first the laminated...

This work deals with an investigation of recurrent cracking of the spiral modular conveyor belt over an extended period. The modular belt has been in operation for at least 2 years and is now showing wear that must be solved immediately due to a possible crash of the entire line and stopping of operations....

The aim of this paper is to demonstrate the use of MATLAB and Simulink SimScape functions and toolboxes to model and evaluate key properties of an engineering system. In this case, it was a parcel delivery drone. The drone is assembled from four electric motors, propellers, a battery, four structural-bearing...

These abstract deals with fiber yarn model simulation, a technique used to optimize realistic simulations associated with the fiber manufacturing process. Filament yarn is produced using a complex process that involves spinning the fibers into a single thick and continuous strip called yarn. The objective...

The Image analysis of fibers is a key technique in the field of materials research and industrial engineering. The purpose of this work is to present a solution for fiber image analysis using MATLAB, a high-performance software environment for numerical computations and data visualization. This work...

The thesis focuses on the analysis and calculation of the aerodynamic lift force of the propeller that is applied to the drone. The unmanned aerial vehicle, a drone, can be remotely controlled or capable of autonomous flight using pre-programmed flight plans or more complex dynamic autonomous systems....

Composite materials are increasingly replacing conventional materials (e.g. steel, sheet metal, wood) in automotive production. Composite frames are also playing an important role in the development of new cars, SUVs and trucks. Composite frames are mainly used as reinforcements for chassis, cabs, doors,...

The article deals with by using numerical analysis of abrasive particle velocity in blast technology. Blasting technology is an important industrial process that allows the application of materials to surfaces using high pressure or air velocity. The velocity of abrasive particles is a key parameter...

Modern design of production and transport machines is currently characterised by a wide range of non-ferrous and non-metal materials. Typical reasons are demands on cost and weight. Further reasons are requirements on physical properties, e.g. thermal and electrical non-conductivity, the ability to dump...

Currently, manufacturers of production machines are trying to cover a wide spectrum of requirements of industrial companies focused on machining technologies. The universal use of modern production machines is achieved with the help of various types of accessories. Milling heads can also be included...

The solution is made for the pinion-type shaper cutter with several parameters (AMC, tip rounding, helix angle, etc.). Normally, for the production of internal teeth, a shaper wheel with a so-called “sharp tips” is used. This means that the tool tip curves are ρa0 = 0. When using rounded tool tips for...

The study aims to research the emission impact of innovative grate shape in the fireplace stove. According to environmental compliance, decisions from these results and the subsequent development of the grate and the combustion chamber are the key for all activities. The second part of the research compares...

Accurate localization in industrial robotics is one of the crucial attributes. One of the most popular localization approaches in robotics is localization with LiDAR. However, when a robot enters a rough environment with smoke, dust or fog, the LiDAR sensor may provide inaccurate measurements. This paper...

Horizontal axis tidal current turbine (HATCT) is one of the strongest devices to generate electricity using the hydraulic flow. These devices need to act under an optimum blade pitch angle to prevent power losses. In the present work, the blade element momentum theory (BEM) was used to initial design...

Spiral conveyor is theme, that is not fully described in the literature. Based on this fact this work is dealing with commissioning of spiral conveyor and describing the most common mistakes causing serious damages. Commissioning of spiral conveyor will be set by theoretical calculation, measurement...

Traction electric vehicles are on a certain rise today. Traction battery systems for these electric drives are related to this. Each specific application requires its own approach to the design of a good battery system. Existing technologies have their positives and negatives, which need to be minimized....

A concept of an autonomous electric vehicle with human/object following capability and obstacle avoidance is proposed in this paper. The vehicle considered is a four-wheel vehicle with rear-wheel drive and front-wheel steering. This vehicle uses ultra-wideband technology for human/object detection and...

This paper is focused on a newly developed DC charging station that allows the change of configuration to the requirements of recharged vehicles. The first part of the paper discusses the main pros and cons of different types of charging stations with a combination of different types of EVs like BEVs,...

This article informs us about new design of electronic pourer. Pourer is using for dosing demanded volume of liquid for many purposes. At the same time shows us physical solution by new experimental methods. There is also introduce in builds form of technical view in 3D. Another we set the basic equation...

Clamping plates used for fixing testing facilities or tested specimens during the dynamical test are in industrial practice suspended by pneumatic, steel or rubber spring. Those suspension systems cannot enable efficient change of natural frequencies during various operating conditions of the testing...

Regulations to reduce carbon emission from vehicles become main attention in automobiles industries and this has led to substantial development of electric vehicle (EV). One of the challenge in EV is the power consumption resulted by the body mass. Body structure for EV is not only needs to be strong,...

The article presents the peculiarities of the use of a successful Ukrainian startup HandyUsound in medical practice. HandyUsound is an innovative ultrasound complex, which, according to its characteristics (portability, lightweight, a possibility of autonomous power supply, intuitive touch control, newest...

This article deals with the biomimetic approach in the construction design process of small and light electric vehicles (EVs) suitable for transporting people and small cargo over short distances in small cities (small cities under 100 thousand people). The efficiency of electric vehicles depends on...

The presented article compares two types of software in terms of the post-processing of topological optimization. For this analysis, a test sample was selected and subjected to topological optimization concerning weight reduction while ensuring maximum rigidity. Subsequently, the sample was processed...

The frame of the electric car is assembled from two parts. The lower part, made of welded pipes, carrying all aggregates. It supports the upper part of the frame made of composite profiles in 16 places. The rectangular system of composite beams fills an area measuring 4x2m. The beams are interconnected...

The development of EMI shielding material has been increased due to the increased market request, especially on the electrical car industry. This paper introduced one new designed carbon fiber composites, the composites with sufficient thermal conductivity and enhanced electromagnetic shielding can be...

Simple approximate functions of constants used for stress and deformation calculations of a straight bar with rectangular cross-section under torsion with sufficient precision were derived. The maximal error of these functions is around 1.4%, but mostly less. Functions are intended for practical or algorithmic...

The article deals conceptual design of a power plant using algae biofuels. Traditional energy sources, dominated by fossil fuels, persist despite growing renewable energy trends like solar, wind, hydroelectric, and geothermal power. However, the emergence of algae-based biofuels offers a promising new...

The requirements of the aerospace, automotive, maritime, defence industries, have to the research and development of various composites and of these composites produced to meet the growing demands are thermoplastic composites. The thermoplastic composites are preferred in the aviation industry as they...

Since the first aircrafts were produced one of the main objectives of the aircrafts manufacturers was to keep the wight of the aircraft down without compromising the structural integrity and strength of the aircraft. This led to the utilization of fabrics for the skin of the aircrafts in the years of...

The aim of the work was to create input data for the neural network. A neural network is a series of algorithms that endeavors to recognize underlying relationships in a set of data through a process that mimics the way the human brain operates. In this sense, neural networks refer to systems of neurons,...

The functional model was made for development and implementation of the vehicle control unit of the autonomous electric platform. The unit operates 12V appliances and excels especially in advanced internal diagnostics. The board includes smart high side switches. It has several isolated CAN buses, through...

The lithium battery’s state of health is an essential index for characterization. It is crucial, for example, to estimate the range of an electric car. Electrochemical impedance spectroscopy is a relatively simple diagnostic tool for insight into the cell’s internal processes. Impedance spectra can be...

This article describes how computers and free software tools can be used to process experimental data and prepare corresponding reports and protocols. The Python and LATEX are presented here as an example of suitable freely available open source software. They are a viable option offering numerous advantages...

In the first part of this work the impact of different materials is discussed. Relations for Charpy type tests are shown. Main part is devoted to enhance impact properties of epoxy matrix by Fly Ash. For their mechanical activation the high frequency ball milling is used.

The use of FRP in technical applications - aerospace, automotive and industrial components - demands their high-quality processing. Namely process drilling, cutting, and machining. Tools properties (material, geometry), process parameters (speed, RPM, feed), and hole/cutting edge quality are typically...

The properties of car seats that determine seating comfort are defined by the transfer function in the direction of the Z axis (vertical direction) in the classical approach. This function describes the damping properties of the seat depending on the excitation frequency in the vertical direction. However,...

The article deals with the evaluation of tribological properties of thin coatings formed by solid lubricants. The aim is to obtain and compare data obtained in experiment. The monitored parameter is the coefficient of friction, which is evaluated on three types of samples. The samples are made of bearing...

The TBRB 01 (Testing Bench for Railway Bearings) is designed for testing axleboxes in accordance with EN 12082:2017+A1:2021 Railway applications- Axleboxes- Performance Testing. The subject of the test is a structural group consisting of a housing body, rolling bearings, in this case, cylindrical roller...

A flat tape composed of several hundreds of silica filaments was used as a carrier for the thermochromic dye bis (diethylammonium) tetrachloridocuprate (II) (DEA-CuCl4) and coated with a methyl silicate resin. The thermal transition of the created composite was around 42 ℃ and its surface color change...

Pneumatic flexible elements are used in pneumatic shaft couplings. These flexible elements are connected in different ways, and they are pressurized with a certain pressure. The article examines temperature changes of two connected elastic elements. It also describes measuring devices, and it examines...

The main goal of this article is to describe a ski cableway gearbox condition assessment process. The cableway is a typical sample of a machine with carefully monitored technical condition for safe operation. The article describes all steps of the process including vibrodiagnostics and optical assessment...