Experimental comparison of three electro-textile interfaces for textile UHF-RFID tags on clothes

Luo, Chengyang; Gil, Ignacio; Fernández‐García, Raúl

doi:10.1016/j.aeue.2022.154137

Cited by 9 publications

(5 citation statements)

References 24 publications

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“…Thanks to this approach, it is possible to solve the problems of electronic technology with the connection of integrated circuits (IC) to flexible textiles. Moreover, the microelectronic module can be easily protected against environmental hazards [37]- [40]. It is important that the information in the memory can be updated at different stages of the life cycle of tagged garments.…”

Section: A Transponder Technologymentioning

confidence: 99%

Identification Efficiency in RFIDtex Enabled Washing Machine

Jankowski-Mihułowicz,

Pawłowicz,

Kołcz

et al. 2023

IEEE Access

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The use of textronic RFID transponders (RFIDtex tags) offers completely new possibilities in designing household appliances. Their implementations in technologies of washing or ironing textiles are very promising. Specific information on maintaining clothes can be stored in the memory of RFIDtex tags that are permanently bound to the products. This information can be read by washing or ironing devices and then can be used to automatically select the best program or mode of machine operation. Since RFID technology is becoming more and more common, the solution seems simple and ordinary. Nevertheless, there are some barriers that prevent the popularization of such applications. Reliability and efficiency of identification are major concerns, especially near surrounding objects, such as other tags, material composition of textiles, and above all, metal drums of washing machines. The main purpose of the presented work is to propose the communication model in the anti-collision dynamic RFID system, dedicated to use in future intelligent industrial and home washing machines. To develop the elaborated idea, the washing machine demonstrator equipped with read/write RFID devices was designed. Moreover, the RFIDtex transponders according to the authors' conception (restricted under Polish patent, No. PAT.231291) are used in experimental stages. As part of the work, appropriate reading and scanning algorithms were developed to manage multiple data readings from tags inside the drum. Also, measurements were carried out to confirm the identification efficiency in such an Internet of Textile Things (IoTT) system basing on the RFIDtex tags that are placed inside the demonstration washing machine.

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Section: A Transponder Technologymentioning

confidence: 99%

Identification Efficiency in RFIDtex Enabled Washing Machine

Jankowski-Mihułowicz,

Pawłowicz,

Kołcz

et al. 2023

IEEE Access

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“…A particular problem for e-textile RFID transponders is the connection between the chip and the antenna. Efforts are undertaken to find ways to replace soldering, which has a temperature unsuitable for most textile materials [ 53 ]. One way is to use low-temperature soldering [ 26 ].…”

Section: Introductionmentioning

confidence: 99%

“…Also, examples of knitted [ 37 ] and embroidered interconnection can be found [ 29 , 54 ]. In paper [ 53 ], a comparison of three different methods of connection, sewing, snap buttons, and inserting, is presented. Also, a proposal for chipless embroidered RFID tags is found in reference [ 30 ].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Factors Affecting the Performance of Textronic UHF RFID Transponders

Ziobro,

Jankowski-Mihułowicz,

Węglarski

et al. 2023

Sensors

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The aim of this paper is to demonstrate progress in textronic UHF RFID transponder (RFIDtex tag) technology. The fundamental idea behind the RFIDtex tag design involves galvanic separation between circuits of the sewn antenna and the chip, which are electromagnetically coupled through a system of inductive loops. To advance the development of this concept, it is crucial to detect factors affecting the performance of the transponders. To achieve this goal, a mathematical model of the textronic UHF RFID transponder was developed. It involves relationships that describe the impedance of each element, the mutual inductance of the loops, and the chip voltage, and it enables the exploration of the influence of these variables on general parameters such as impedance matching and read range. Various analytical and numerical approaches were considered to obtain the value of the mutual inductance of the loops. The dimensions and geometry of the antenna, as well as the matching circuit in the microelectronic module, were taken into account. Based on the mathematical model, it was determined that mutual inductance strongly affects the chip voltage for frequencies higher than 800 MHz. The calculations from the mathematical model were compared with numerical simulations. Experimental studies were also conducted to investigate how the transponder performance is affected by either the distance between the centers of the loops or the conductivity of the threads used to embroider the antenna. The measurement results allowed us to conclude that even small imperfections in the manufacturing of the transponder, which slightly increase the vertical or horizontal distance between the centers of the loops, cause a dramatic decrease in the mutual inductance and coupling coefficient, significantly impacting the transponder’s performance.

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“…The reading distances were compared, and it was seen that the RFID tag was read from a distance of 3.41 m in the laboratory environment and a distance of 2.05 m when measured on a human. Although the human body reduced the reading distance, the antennas on the textile showed stable performance [11]. An RFID antenna in the 902-908 MHz UHF band was designed and tested on curved and flat surfaces.…”

Section: Introductionmentioning

confidence: 99%

Semi-conductor Applications to Printed Circuits on Flexible Surfaces

Ekren

SARKIN

2022

Balkan Journal of Electrical and Computer Engineering

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The most common type of identification system today is RFID. RFID circuits are used as covered with plastic. With the increase in usage areas, it is also used on metal, wood, paper, and plastic product. In this study, the behavior of the same circuit on different surfaces was investigated. The surface impedance and signal reflection coefficients of RFID tag antennas were investigated based on paper, plastic, and textile surfaces. According to the results of the electrical and mechanical tests, the best results in terms of reflectance coefficients and surface impedances of RFID tags are on PET surfaces. The surface impedance and the reflection coefficients were high on paper surfaces. The lowest values were measured on textile surfaces. According to the results, it has been seen that RFID antenna application on plastic, paper, and textile surfaces is possible and usable.

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Experimental comparison of three electro-textile interfaces for textile UHF-RFID tags on clothes

Cited by 9 publications

References 24 publications

Identification Efficiency in RFIDtex Enabled Washing Machine

Identification Efficiency in RFIDtex Enabled Washing Machine

Investigation of Factors Affecting the Performance of Textronic UHF RFID Transponders

Semi-conductor Applications to Printed Circuits on Flexible Surfaces

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