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![Figure 1: Components of an RFID System [1]](profile/Satish-Bukkapatnam/publication/239586169/figure/fig4/AS:668563346046991@1536409331610/Components-of-an-RFID-System-1_Q320.jpg)
![Figure 3: Estimated growth of global market for RFID systems[3]](profile/Satish-Bukkapatnam/publication/239586169/figure/fig6/AS:668563346038799@1536409331891/Estimated-growth-of-global-market-for-RFID-systems3_Q320.jpg)
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Die Bibliothek der Medizinischen Fakultät Mannheim der Universität Heidelberg blickt auf zehn Jahre Erfahrung mit RFID zurück. Im Jahr 2006 gehörte sie zu den Pionieren der Geschichte von RFID in Bibliotheken und war die erste deutsche Bibliothek, die RFID-Komponenten gekoppelt an das Bibliothekssystem SISIS-SunRise einsetzte.
![Figure 1. Typical RFID system components [18]](profile/Mohamed-Beqqal/publication/317244937/figure/fig1/AS:915690387152897@1595329009722/Typical-RFID-system-components-18_Q320.jpg)
Citations
... Traceability technology selection criteria are scattered throughout the existing literature [8,44,60]. In this section we consolidate the criteria related to sustainable FSCs, namely product identification and temperature monitoring, into a set of seventeen characteristics that can be used to determine the performance of the aforementioned technologies. ...
... For both the 1D and 2D barcode technologies, presence of water may cause a noticeable performance downturn due to the requirements for a clean clear optic and line-of-sight [40]. Whereas, RFID tags using LF and HF can easily be read while attaching objects containing water and other liquids, UHF passive and semi-passive tags cannot transmit data if the attaching products are high in water content as the UHF wave is absorbed by water [47,55,60]. The performance of active RFID, WSN and smart packaging indicators is not impaired by water [8,60,63]. ...
... Whereas, RFID tags using LF and HF can easily be read while attaching objects containing water and other liquids, UHF passive and semi-passive tags cannot transmit data if the attaching products are high in water content as the UHF wave is absorbed by water [47,55,60]. The performance of active RFID, WSN and smart packaging indicators is not impaired by water [8,60,63]. ...
Traceability technologies have great potential to improve sustainable performance in cold food supply chains by reducing food loss. In existing approaches, traceability technologies are selected either intuitively or through a random approach, that neither considers the trade-off between multiple cost–benefit technology criteria nor systematically translates user requirements for traceability systems into the selection process. This paper presents a hybrid approach combining the fuzzy Analytic Hierarchy Process (AHP) and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) with integer linear programming to select the optimum traceability technologies for improving sustainable performance in cold food supply chains. The proposed methodology is applied in four case studies utilising data collected from literature and expert interviews. The proposed approach can assist decision-makers, e.g., food business operators and technology companies, to identify what combination of technologies best suits a given food supply chain scenario and reduces food loss at minimum cost.
... The effect on the RF field based on materials8 ...
Radio Frequency Identification (RFID) is an automatic identification technology, relying on storing and remotely retrieving data using devices called RFID tags. This technology is being used in enterprise supply chain management-related applications to improve the efficiency of inventory tracking and management. However, this technology has not been able to realize its promised potential because of several factors, such as lack of congruous worldwide standards, privacy issues and less than perfect read rates in supply chain applications. This research aimed to evaluate the readability issues commonly faced by tagged cases of palletized consumer products. The variables studied in this research were product-package type, tag type, tag location on cases, pallet pattern and forklift speed through a RFID portal representative of a dock door in a warehouse. To determine which variables were the most significant, a binary logistic regression was run. The number of tags read was inputted for the number of events and total number of products per pallet as the number of trials. The variables product content, pallet pattern, and speed, and all interactions were then included in the model. It was observed that readability greatly varies for different product-package systems, with paper towels producing near-perfect reads, followed by bottled water and carbonated soda cans. The slower the forklift truck speed, the better the readability across the board, and the best pallet patterns were dependent on the product-package type. For bottled water, the best pallet pattern was column, and for carbonated soda, the interlocking pattern.
... Incluye una antena, un dispositivo con un elemento identificador y/o memoria ("chipless" o "with a chip", el 99% del mercado está utilizando tags con chip) y en algunos casos, una batería. Existen del tipo read-only (clase 0), donde el tag sólo puede enviar información al lector, y read-write (clase 1), es decir, una comunicación en dos direcciones, donde el tag puede recibir información del lector (ser "escrito") y enviar información al lector [4]. Existen tags con mayores funcionalidades, que se clasifican como clase 2, clase 3, y clase 4. ...
... Este sistema se comporta como el tipo de acoplamiento en los transformadores, donde el lector actúa como la bobina del primario, y la bobina del tag como secundario. Los sistemas RFID pasivos generalmente utilizan este principio [4]. 1 Este punto se desarrolla en mayor profundidad en la sección 5.2. 2 Este punto se desarrolla en profundidad en el anexo B, sección B.2. ...
... Para realizar una correcta selección de las componentes del sistema RFID, deben considerarse ciertos parámetros relevantes [1], [6], [4]: ...
Actualmente, es común encontrarse con la utilización de equipos electrónicos de telecomunicaciones involucrados en el desarrollo de procesos productivos en industrias de distintas áreas. Debido a la importancia de este tipo de equipamiento, resulta indispensable poder evitar fallas que involucren la suspensión del funcionamiento normal de la producción. Para ello, resulta de gran utilidad recurrir a tecnologías de identificación, por ejemplo, RFID (Radio Frequency IDentification), que es un sistema de identificación sin contacto, que utiliza ondas de radio para lograr la comunicación entre un dispositivo identificador (tag) de un objeto y un lector. En la actualidad, esta tecnología se encuentra en etapa de implementación y de estudio de nuevas aplicaciones. El presenta trabajo se titula “Diseño de un Sistema de Monitoreo de Equipos Utilizando Identificación por Radio-Frecuencia (RFID)”. El objetivo principal es desarrollar un prototipo de rack de comunicaciones, basado en la tecnología RFID, que permita un monitoreo remoto permanente, y la prevención y detección oportuna de fallas del equipamiento crítico, para ser implementado en el área de mantención de la División El Teniente de la empresa CODELCO-CHILE. Para ello, se realiza un estudio del estado actual de la tecnología RFID, de modo de evaluar las distintas alternativas tecnológicas, y seleccionar una solución acorde con los requerimientos de la aplicación. Se proponen dos posibles soluciones, que utilizan componentes RFID de distintos proveedores y que utilizan distintos principios de operación. De estas dos alternativas, se selecciona la más idónea, y se realiza una evaluación experimental de la solución para garantizar que cumpla con los requerimientos de la aplicación. Como resultado, se obtiene que el sistema RFID cumple con las especificaciones, a pesar de las fuertes interferencias que produce la presencia de metal en el entorno cercano del sistema, y que su funcionamiento puede ser optimizado variando la distribución de las componentes dentro del rack. Se realiza también un análisis teórico del sistema RFID, para estudiar su funcionamiento en ambientes confinados con la presencia de más de un rack, y se determina que idealmente, los racks deben estar a una distancia de 3m para evitar interferencias entre sí. Tomando como mercado objetivo las distintas divisiones de CODELCO-CHILE, se realizó un estudio de factibilidad comercial del prototipo, y se determinó que el sistema RFID tiene muy buenas perspectivas comerciales, debido a los grandes beneficios que genera, en términos de ahorro en inversión tecnológica y sobretodo, de evitar pérdidas críticas de producción. Por otra parte, se identificó que la incorporación de un sistema RFID puede generar un fuerte impacto sobre la infraestructura tecnológica y los recursos humanos existentes, y que por lo tanto, la factibilidad de su implementación estará determinada por la capacidad de la empresa de adaptarse a las nuevas condiciones.
The detection process of defective tags in most of Korean domestic RFID manufacturing companies is treated by on-hand processing after the job of chip bonding, so it has been requested to reduce the time and cost for manufacturing of RFID tags. Therefore, in this paper, we implement the system to perform the detection of defective tags after the process of chip bonding, and so provide the basis of software to establish the foundation of automation system for the detection of defected RFID tags which is requested in the related Korean domestic industrial field. We have developed the system by using UML in modeling phase and JAVA in implementation phase to reduce the cost of development of program and make it easy to maintain. The developed system in this paper shows the very enhanced performance in processing speed and perfect detection rate of defective tags, comparing to the method of on-hand processing.
Radio frequency identification (RFID) is a contactless identification technology that has proven to work well in conjunction with reusable plastic containers (RPCs). The impact of this technology on returnable containers has been explored by several past studies. This study evaluates an innovative system for improving readability of passive UHF RFID tags in conjunction with RPCs. The system involves an energy transfer device (ETD), which when attached to the RPCs, passively transfers radio frequency signals to interior regions of a unitized load thereby improving the readability of all RFID tags attached to the RPCs. This study included an evaluation of the improvement in readability of tagged RPCs in a unitized load with forklift truck speed, product type and pallet pattern as the variables and with readability as the main control variable. It was observed that ETDs vastly improve the readability rates by nearly 97%. Results are also included in this paper describing the effects of the product type, pallet patterns and forklift truck speeds on the readability of tagged RPCs in a unitized load. Copyright © 2011 John Wiley & Sons, Ltd.
