Experimental Study on Strain Reliability of Embroidered Passive UHF RFID Textile Tag Antennas and Interconnections

Chen, Xiaochen; Liu, Aruhan; Wei, Zhigang; Ukkonen, Leena; Virkki, Johanna

doi:10.1155/2017/8493405

Cited by 28 publications

(17 citation statements)

References 19 publications

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“…More, during the data training, 4500 handwritten digits were collected by one platform and after this, the platform still showed great performance in real-time testing. Further, the used materials and manufacturing methods (e.g., electro-textiles and embroidery) were previously used in textile electronics structures that showed excellent reliability under mechanical stresses [26,27].…”

Section: Discussionmentioning

confidence: 99%

ClothFace: A Batteryless RFID-Based Textile Platform for Handwriting Recognition

Chen

Mehmood

et al. 2020

Sensors

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This paper introduces a prototype of ClothFace technology, a battery-free textile-based handwriting recognition platform that includes an e-textile antenna and a 10 × 10 array of radio frequency identification (RFID) integrated circuits (ICs), each with a unique ID. Touching the textile platform surface creates an electrical connection from specific ICs to the antenna, which enables the connected ICs to be read with an external UHF (ultra-haigh frequency) RFID reader. In this paper, the platform is demonstrated to recognize handwritten numbers 0–9. The raw data collected by the platform are a sequence of IDs from the touched ICs. The system converts the data into bitmaps and their details are increased by interpolating between neighboring samples using the sequential information of IDs. These images of digits written on the platform can be classified, with enough accuracy for practical use, by deep learning. The recognition system was trained and tested with samples from six volunteers using the platform. The real-time number recognition ability of the ClothFace technology is demonstrated to work successfully with a very low error rate. The overall recognition accuracy of the platform is 94.6% and the accuracy for each digit is between 91.1% and 98.3%. As the solution is fully passive and gets all the needed energy from the external RFID reader, it enables a maintenance-free and cost-effective user interface that can be integrated into clothing and into textiles around us.

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Section: Discussionmentioning

confidence: 99%

ClothFace: A Batteryless RFID-Based Textile Platform for Handwriting Recognition

Chen

Mehmood

et al. 2020

Sensors

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“…However, even for this kind of textile UHF-RFID sensor, the most vulnerable part is the connection of antenna and IC, which can cause total failure of systems when it gets damaged. The sewed and glued interconnections still show strain reliability issues that need to be considered and tested after fabrication [79]. However, when the textile UHF-RFID sensors are applied in harsh conditions, generally a suitable coating would be used to protect the antenna-IC interconnection from mechanical stress.…”

Section: State Of Researches On Reliability Of Textile Uhf-rfid Sensorsmentioning

confidence: 99%

Wearable Textile UHF-RFID Sensors: A Systematic Review

2020

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Textile radio-frequency identification operating in ultra-high frequency (UHF-RFID) sensors based on different scenarios are becoming attractive with the forthcoming internet of things (IoT) era and aging society. Compared with conventional UHF-RFID sensors, textile UHF-RFID sensors offer the common textile features, light weight, washability and comfort. Due to the short time and low level of development, researches on the integration of textile UHF-RFID techniques and textile sensing techniques are not flourishing. This paper is motivated by this situation to identify the current research status. In this paper, we provide a systematic review of the fundamentals of textile UHF-RFID sensors techniques, materials, the brief history and the state-of-the-art of the scenario-based development through detailed summary and analysis on the achievements from the starting year of 2004 to the present time. Moreover, according to the analysis, we give a proposal of the future prospects in several aspects, including the new materials and manufacturing processes, machine learning technology, scenario-based applications and unavoidable reliability.

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“…To illustrate, it was not anticipated that the funeral of South Indian politician, Annadurai, in 1969, would gather fifteen million people. Table 2 shows properties of WSNs/RFID Protocols (WSNs can be IP-based and non-IP) [18][19][20][21][22][23][24][25][26].…”

Section: Literature Reviewmentioning

confidence: 99%

Managing Crowds with Wireless and Mobile Technologies

Yamin

Basahel

Sen

2018

Wireless Communications and Mobile Computing

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Thousands of people have lost their lives in stampedes and other crowd related disasters in recent years. Most of these fatalities seem to have been caused by poor control and management of crowds, which is discussed in this article. An efficient and effective crowd management system must also have a plan to deal with the ongoing threat of terrorism and outbreak of various kinds of communicable diseases. In this article, we present a framework of a Crowd Control and Health Management System specially designed to prevent and manage stampedes and other disasters. The system has two subsystems; one for dealing with the management of stampedes and other disasters and the other with healthcare management. As part of the proposed system, an algorithm for an early detection of stampedes, with proof and simulation of implementation, is provided. As part of the healthcare management subsystem, we integrate several mobile applications and develop four of them dealing with relief issues, blood donations, complaints and alerts, and utilizing mobile phones as a sensor device. Our system makes use of various kinds of wireless, mobile, and other technologies and tools including Fog Computing, Smart Phones, Smart Digital Street, IP-Cameras, Radio Frequency Identification (RFID), Voice Alarm, Light Alarm, and Global Positioning System (GPS). We compare merits and effectiveness of RFID and Wireless Sensor Networks (WSNs), as well as those of Cloud and Fog with a view of using them as part of the proposed framework. We also discuss applications of our systems in real-life cases of Hajj, an annual pilgrimage of millions of people to Mecca, and Kumbh Mela, a periodic gathering of tens of millions of people in India, both of which have accounted for the majority of fatalities in stampedes and other disasters.

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Experimental Study on Strain Reliability of Embroidered Passive UHF RFID Textile Tag Antennas and Interconnections

Cited by 28 publications

References 19 publications

ClothFace: A Batteryless RFID-Based Textile Platform for Handwriting Recognition

ClothFace: A Batteryless RFID-Based Textile Platform for Handwriting Recognition

Wearable Textile UHF-RFID Sensors: A Systematic Review

Managing Crowds with Wireless and Mobile Technologies

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