RFID (Radio Frequency Identification) inventory tracking system refers to the automatic storage and transmission of component specifications, serial numbers and other information by sticking RFID tags on pallets, boxes or components. RFID tags can transfer information to radio frequency card readers within 10 feet, so that warehouses and workshops no longer need to use handheld bar code readers to scan bar codes one by one for components and work in progress, which reduces the omission Occurred, and greatly improved work efficiency. Advocates of RFID believe that this move may significantly reduce costs and clear obstacles in the supply chain. The technology is closely linked to the logistics supply chain and is expected to replace barcode scanning technology in the next few years. Various indications show that RFID technology will be the first to be applied and promoted in the field of pharmaceutical logistics. Medical logistics is regarded as RFID "proving ground" According to media reports, a US pharmaceutical group will use RFID tags in its supply chain to evaluate its actual effectiveness. According to Accenture, the group's project manager, companies involved in this project include pharmaceutical manufacturers, distributors and retailers. Including Abbott Laboratories, Barrharmaceuticals Inc., Cardinal Health, CVS Pharmacy, Johnson & Johnson, McKesson, Pfizer, P & G and RiteAid. In addition, the Medical Distribution Management Committee and the National Chain Drug Stores Committee have expressed support for this project and will provide relevant information to its members. RFID technology is currently being developed in the retail industry, which is mainly driven by large retailers such as Wal-Mart. This technology is mainly used for tracking the flow of boxes and pallets between the warehouse and the store. Texas Instruments (TI) is a technology leader in the RFID field and an advocate of some standards. It is also the world's largest integrated manufacturer of electronic tags and reader systems, and has produced more than 400 million tags. RFID products have been widely used in the world. For example, Marks & Spencer supermarket in the United Kingdom uses TI's RFID electronic tags to manage the supply chain of fresh food. The use of this technology is the application of bar code costs of 110, and greatly improves the supply chain. Management improves efficiency. The application of RFID technology to 10,000 trays in the Dutch Flower Order Center has enabled the order accuracy of flowers to reach 99%. Sportswear produced by Goldwin uses RFID technology, reducing the overall cost and shortening the production and distribution time period. Gap company uses RFID technology to track and manage clothing, so that the company's sales increased by 20%. 3M's book management system is completely replaced by TI's electronic tag "Tag-it". The original barcode identification system can be used by the library to manage the borrowing, search, inventory, and anti-theft of books. TI is more optimistic about the following application areas: One is the application area of ​​the pharmaceutical industry. If the pharmaceutical industry can use RFID technology, it will solve many production and sales problems. Pharmacists can accurately grasp the current status of products, improve production efficiency, reduce labor costs, shorten product quality assurance time, monitor all situations in the product manufacturing process in real time, quickly respond to the market, and reduce the number of expired products. The other is the application field of supply chain. The supply chain system using RFID technology can greatly increase the accuracy of inventory management to 100% and increase the productivity of distribution centers by 10% to 20%. In addition, the RFID system can also reduce the labor cost of warehousing and distribution centers; effectively evaluate the products that need to be recovered and quickly find products in the sales process; reduce counterfeiting, monitor inventory and distribution in real time, and reduce production cycles. RFID challenge barcode Road automatic toll collection system, access control system, identity recognition and other applications have been integrated into our daily life, but RFID as the core technology has not caused much attention; Wal-Mart "requires the top 100 suppliers in 2005 A paper agreement on the use of RFID technology when sending pallets and boxes to its distribution center before January and the establishment of the China National Standards Working Group on Electronic Labels pushed RFID to a new wave, making RFID the most popular in 2004 One of the words. To be precise, not the RFID technology itself, but the application of RFID in the field of commodity circulation and supply chain is the real hot spot; or the rise of RFID technology is not because it is a new technology, but because of this technology It has begun to mature and gradually has the ability to move to practical applications. Although logistics and supply chain are only one of the application fields of RFID, if RFID technology can be closely connected with the electronic supply chain, it is likely to replace barcode scanning technology within a few years and will bring revolution to retail, logistics and other industries Variety. At present, in the field of commodity circulation, barcodes are the main means of product identification, but barcodes still have many shortcomings that cannot be overcome. For example, bar codes can only identify one type of product, but not single products; bar codes are visual communication technology, which can only be read when they are visible; bar codes are easy to be torn, defaced, or detached. RFID (radio frequency identification) is a non-contact automatic identification technology. It automatically identifies target objects and obtains relevant data through radio frequency signals. The identification work does not require human intervention. At the same time, RFID technology can identify moving objects and can simultaneously identify multiple tags. , Not afraid of oil stains, dust pollution, etc. It can be said that RFID has the advantages of waterproof, antimagnetic, high temperature resistance, long service life, long reading distance, data on the label can be encrypted, the storage capacity of the data is larger, and the storage information can be changed. Of course, the application of RFID in the logistics field does not only involve the RFID technology itself, but a huge application system, which involves many aspects including technology, management, hardware, software, network, system security, radio frequency and so on. From the current situation, RFID replaces barcodes and still faces many problems that need to be solved, such as standard problems, follow-up of application systems, and price, security, and privacy protection issues. RFID can realize the identification and tracking of each item in the supply chain. The key is that each RFID tag has a unique identification code. At present, there are coding systems for various articles in the field of circulation. For example, the JAN code, EAN code, UPC code used in the barcode and the ISBN code in the book. But these are codes for product types, not for each item.
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