The main purpose of the study was to present the basic problems of determining surface resistance of electroconductive fabric. The attention was paid to the arrangement of electrodes on a sample. Analysis of the contact resistance between the measuring electrode and the fibrous substrate was conducted. The multi-variant research of a textile sample has shown that the electrodes arrangement is of significance for sample resistance measurement results. The arrangement of four electrodes on the edge of the sample allows the assessment of electroconductive properties of whole textile sample surface. It was found that the woven fabric sample is not homegeneous and anisotropic. Research of textile material with the coaxial electrode arrangement enable the local values of material resistance to be assessed. Results of multi-variant research have provided important knowledge about the textile material structure and its properties.
This paper introduces two types of textile magnetic elements: mechanical-magnetic and circuital. Textile magnetic cores consist of elementary monofilament magnetic fibres. Textile magnetic coils which are composed of a textile carcass, winding (electro-conductive yarn or wire) and magnetic fibres are presented. Textile magnetic elements are mainly textile cores which are the basic elements of textile electromagnetic devices such as sensors, actuators and transformers. Textile sensors are used to measure human physiological parameters such as breathing rhythm and pulse.
One of the most interesting applications of magnetic non-wovens is magnetic shielding. I present macroscopic magneto-mechanical and magnetic models circuital which will possibly be the basis for future mathematical description and simulation procedures of magnetic fibres and textile magnetic cores. The analysis results of transversal and longitudinal magnetic fibres are also presented. The mathematical problem of designing textile magnetic cores with the interlacement of the magnetic fibres is described. A block diagram for simulation models created by the Matlab-Simulink program is presented.
This article presents the idea of building human phantom to testing textronic clothing with measurements system. It also describes the method of testing this prototype garments on special design phantom. The construction of phantom to testing pulse signal will be presented.
Original scientific paper The paper describes the technology and a mechatronic device for the making and validation of textile electrodes. For making the electrodes, the digital printing method with electroconductive inks was used. The mechatronic device is a fragment of the technological line operating with a digital printer. The technological line consists of four modules designed for the printing, validation, activation and verification of the electroconductive properties of the electrodes. The first module is an intelligent camera with software designed for the analysis of the geometric shape of the electrode. The second module is a heating system for the thermal process of activation of electroconductive properties. The third module is used for checking the electroconductive properties using a multi-electrode measuring head. This type of textile electrodes designed for current muscular electrostimulation is an example of textronic products having application in rehabilitation of human.
Keywords: electrostimulation of the muscles; ink; printed; surface resistance; textile electrodes
Mehatronička linija za aktiviranje i ispitivanje tiskanih elektrodaIzvorni znanstveni članak U radu se opisuje tehnologija i mehatronički uređaj za izradu i provjeru tekstilnih elektroda. Za izradu elektroda primijenjena je digitalna metoda tiskanja s elektroprovodivim tintama. Mehatronički uređaj je dio tehnološke linije koja radi s digitalnim pisačem. Tehnološka linija se sastoji od četiri modula za tiskanje, provjeru, aktiviranje i verifikaciju elektroprovodivih svojstava elektroda. Prvi modul je inteligentna kamera sa softverom dizajniranim za analizu geometrijskog oblika elektrode. Drugi modul je sustav zagrijavanja za toplinski proces aktiviranja elektrovodljivih svojstava. Treći modul služi za provjeru električne vodljivosti primjenom mjerne glave s više elektroda. Taj tip tekstilnih elektroda namijenjenih za mišičnu elektrostimulaciju primjer je tekstroničkih proizvoda koji se primjenjuju u rehabilitaciji ljudi.
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