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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 42
Benešová, Andrea , Hirman, Martin , Steiner, František , Tupa, Jiří
Requirements for education 4.0 and study programs within industry 4.0

In recent years, there has been significant development in the area of implementation of digitization, information systems and new technologies into production. This has led to the emergence of a new industrial revolution, known as Industry 4.0. This revolution will allow for increased&...

Pavec, Martin , Hirman, Martin , Soukup, Radek , Hamáček, Aleš
The testing of brass solderability for hybrid sewing thread

This paper presents a research focused on testing of brass solderability for hybrid sewing thread. The hybrid sewing thread is composed of two strands each containing 48 polyester (PES) fibers and 4 brass micro wires. As main investigative method was chosen spread test. Due to...

Blecha, Tomáš , Čengery, Jiří , Pretl, Silvan , Smítka, Václav
Planar resonance circuits for identity documents or banknotes authentication

This paper deals with the design and realization of planar resonant circuits, which are part of a system designed to verify the authenticity of identity documents or banknotes. Validation or authentication is performed based on the evaluation of resonant frequency changes due to th...

Navrátil, Jiří , Řeřicha, Tomáš , Smítka, Václav , Hamáček, Aleš
Double sided printed pattern interconnected by Aerosol Jet and NCA technologies

This paper presents interconnecting of printed electronics patterns by printing technologies or non-conductive adhesives (NCA). DuPont Kapton substrate, Aerosol Jet nanoparticle silver ink and two types of NCAs were used. The aim of the research is to create a reliable interconnection for&#x...

Hirman, Martin , Neuhöfer, Tomáš , Steiner, František
Bend testing of SMD chip resistors glued on flexible substrates

The paper deals with the static bend testing of electrically conductive glued joints between SMD chip resistors and conductive pattern on flexible substrates. Two types of two-part epoxy electrically conductive adhesives (EPO-TEK E4110 and MG 8331S) were used. Two flexible substrates (kapton...

Steiner, František , Wirth, Václav , Hirman, Martin
Relationship of soldering profile, voids, formation and strength of soldered joints

This paper deals with relationship of soldering profile, void formation and mechanical strength of resulted solder joints. An experiment was design for this purpose. For the experiment, four solder paste (BiSnAg, SAC305, Sn100C, SnSb) and three surface finishes of PCB (ENIG, immersion A...

Michal, David , Suchý, Stanislav , Šlauf, Josef , Řeboun, Jan , Soukup, Radek
Resistance welding in smart textile

With the growing Smart Textile industry, there is currently increasing interest in mapping the possibilities and quality of contacting embroidered conductive patterns. This paper deals with one of the contacting options currently in use, the method of resistance welding. Furthermore, the pap...

Kalčík, Jan , Soukup, Radek
Large area temperature measurement in smart textiles

Smart firefighter protective suits can monitor their inner and outer temperature in order to prevent the burning of sensitive human skin. Embroidered large area sensors, which were developed at the University of West Bohemia in cooperation with industrial partners, are ideal for this&#x...

Hlína, Jiří , Řeboun, Jan , Hamáček, Aleš
Properties of thick printed copper films on alumina substrates

This paper is focused on the properties of Thick Printed Copper (TPC) films with various thickness. TPC technology is based on well-known thick film technology and it is used for power substrate manufacturing as an alternative solution to standard DBC or AMB substrates. The th...

Pavec, Martin , Navrátil, Jiří , Soukup, Radek , Smítka, Václav , Hamáček, Aleš
Fully printed IoT antenna for drone-deployed autonomous sensor unit

This paper presents research focused on the development of a flexible fully printed IoT antenna for a drone-deployed autonomous sensor unit optimized for IoT applications. Aerosol Jet® was chosen as manufacturing technology. DuPont™ Kapton® HN 500 polyimide foil was used as a substrate....

Hirman, Martin , Navrátil, Jiří , Steiner, František , Hamáček, Aleš
Reliability of glued joints on flexible substrates during accelerated current ageing

This paper deals with reliability of joints glued by non-conductive adhesives (NCA) on flexible substrates during electrical current ageing. Also the comparison of NCA joints ageing with ECA joints ageing is presented in this paper. Two types of adhesives were used for the experime...

Kalaš, David , Šíma, Karel , Pretl, Silvan , Řeboun, Jan , Soukup, Radek , Hamáček, Aleš
Temperature distribution optimization of multichannel sensor system for thermal testing of protective gloves

This paper deals with temperature distribution optimization in flexible printed circuit boards (FPCBs) with assembled temperature sensors. They are a part of a testing system, which is intended to be used for testing of the thermal protection level of protective gloves. In total 28...

Totzauer, Pavel , Kúdelčík, Jozef , Hornak, Jaroslav , Michal, Ondřej , Trnka, Pavel , Mentlík, Václav
Analysis of particle size distribution and other parameters of nanoparticles in natural ester oil

In this article we tackle the main problem of nanoparticles which is aglomeration, sedimentation and their long term stability. It has been proved that the nanoparticles offer various benefits for improving the electrical parameters (like breakdown voltage, dissipation factor tan,etc.) of in...

Polanský, J.
Modelling unstable operation of compressors

Psutka, Josef , Psutka, Josef
Sample Size for Maximum-Likelihood Estimates of Gaussian Model Depending on Dimensionality of Pattern Space

Growing awareness towards the sustainability has compelled supply chain domain experts to explore its relevance in this context. As a result, a number of studies in recent years have focused on investigating sustainable supply chain practices across the globe. Short food supply chains&#...

Zuzjak, Ladislav , Tureček, Oldřich
Advanced method for measurement of parameters of multi-channel sound systems

Multi-channel sound systems are very often used in many areas. One of the significant areas is playback of music in the entertainment industry. A specific area is high-quality car sound system. At present, the sound systems in the automotive are realized using multi-channel loudspe...

Bouzek, Stanislav , Tureček, Oldřich
Possibilities of verifying the parameters of the absorbing elements using the loudspeaker

This paper deals with other option of determination of the acoustic absorbing materials parameters. Simplified procedures are often used to design new absorbing elements. These procedures are based on an ideal model or previous experience. The result is often quite inaccurate. To verify...

Švehla, Michal
Modelování vybraných podnikových procesů

This paper deals with a modeling of business processes in Rohde & Schwarz an electrical engineering company and their analysis. Business processes are selected for one specific end-production line of their best device. Models and analysis will later serve as a foundation for ch...

Suchý, Stanislav , Soukup, Radek
Optimalizace technologického procesu vyšívání elektronických prvků pro chytré textilie

This paper deals with an optimization of the embroidery process for realization of textile based electronic components for smart textile applications. During the testing, the most of the attention was paid to the parameters that influence the conductivity of embroidered paths with diffe...

Šlauf, Josef , Řeboun, Jan
Charakterizace tištěných senzorů vlhkosti

This paper describes the characterization of chemically sensitive printed sensors based on interdigital topology. It´s long-term stability, properties depending on the type of environment, method of calibration and the level of accuracy achieved with the chosen measuring apparatus were measured. ...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 42