The paper summarizes the theoretical background of the accelerated aging test method of electrical insulating materials and its reliability by using the Arrhenius approach. Arrhenius equation presents generally accepted practice for assessing reliability, life-time, and degree of decomposition of a&#x...

Based on the experience of Atmos Chrast company - a leading Czech manufacturer of the air compressors, there was initiated a development of specialized data acquisition unit for on-site diagnostics of the air compressors. The unit allows systematic and long-term monitoring of operating&...

The paper deals with the analysis of a measurement process in the field of the variability in the measurement process. In the beginning it defines some variability sources in the measurement process, more precisely in the measurement process setting. These variability sources are t...

The main aim of this research is to present the effect of different nanostructured fillers (single metal oxides) on dielectric and mechanical properties. Silicon dioxide (SiO2), Magnesium oxide (MgO), Aluminium oxide (Al2O3), Zinc oxide (ZnO) and Titanium dioxide (TiO2) with average size...

Recent demands for thin and more resistant materials, that can be used in rotating machines, is causing the evolution of the new generations of materials. Conventional electroinsulating materials include a variety of composite materials, such as the combination of resin, mica and glass&...

An innovative aerosol jet printing (AJP) technology was used for the preparation of an electrochemical amperometric gas sensor for nitrogen dioxide detection. It was demonstrated that this non-contact, direct-write printing process allowed the optimization of the platinum electrode platform on a&...

This paper describes an initial experiment involving the action of an electric field on carbon nanotubes (CNTs). The spatial orientation of nanotubes is assumed due to the influence of electric field. An arrangement of nanotubes could provide better sensor properties of carbon nanotubes...

This publication is a follow-up to the study of an embroidered temperature sensor based on the hybrid resistive thread. It is necessary to be able to create a reliable electrical contact of the resistive thread by techniques which will be suitable for textile series production...

This paper describes the developed system for testing and evaluating the thermal comfort of smart textiles clothing. The system is based on a hardware unit which is able to send data to the developed application for an Android smartphone over the low energy Bluetooth. The ...

A new modular low-profile indirect frequency converter is introduced. If fulfills several criterions as mechanical dimensions to fit standard 1U height 19” rack enclosures, energy recuperation, high power factor, high switching frequency and air cooling and high computational performance and conn...

Acoustic noise is an issue associated with operation of electric drives. Using an inverter in variable speed drives usually increases the acoustic noise. The problem has been recently addressed using finite control set model predictive control, where the acoustic model of the drive ...

With the increasing use of Smart Textile products, there is currently a great deal of effort to increase the quality (mechanical, chemical and electrical) of electrical interconnection of hybrid conductive threads. This paper focuses on two techniques of the interconnection of hybrid co...

This article presents a research focused on a conformal coating used for printed circuit board (PCB) protection. Conformal coatings are an integral part of electronic assemblies to increase resistance to the effects of harmful environments and to improve reliability. An experiment for i...

This paper deals with the design and realisation of planar transmission lines on the textile substrate. Many types of different planar transmission lines are known very well and are commonly used for connection of electronics components, electronic equipment, and system. Currently, there...

The paper deals with high humidity and high temperature ageing reliability of joints soldered / glued by non-conductive adhesive (NCA) onto the conductive ribbon. The prepared samples were accelerated aged at 85°C temperature and 85% RH for 1000 hours. The main goal of the...

This paper describes the testing of soldering on flexible substrates (PET, Kapton) with fully printed silver conductive pattern. Prior to testing, the technological process was mapped and modeled using a software tool, called ARIS. In the next step all possible causes were defined ...

The paper deals with temperature ageing reliability of joints glued by non-conductive adhesive (NCA) onto the conductive ribbon. The samples prepared with NCA were accelerated aged at 85°C temperature for 1000 hours. The samples were also stretched on 150% of their relaxed length d...

The range of available materials to be used in the field of Smart textile is vast, but not thoroughly analysed in depth. This paper presents analysis and testing of textile materials suitable for tensiometric functioning in Smart textile applications. The research was focused on&#x...

This paper examines modeling of oxygen consumption (VO2), cardiac output (CO) and some other physiological parameters in response to cardiopulmonary exercise on a bicycle ergometer. The results are presented to athlete who has undergone a total of 10 stress tests over 10 years. The...

This paper deals with contacting of the standard electrical SMD components on the textile substrates. SMD components are contacted and also encapsulated in one single step by a thermo-compress method. SMD components are embedded and fixed in the cavities of the plastic housing made...