The RFID system consists of Reader, Tag and Antenna. The electronic tag attached to the surface or inside of the object being identified, when the object is identified into the identification range of the reader, the reader automatically read contactless electronic tag identification of objects in the data to achieve automatic recognition of objects or Automatic collection of object information data. Radio frequency identification (RFID) is a non-contact automatic identification technology, with a large data storage, read and write, strong penetration, read and write distance, read speed, long life, good environmental adaptability It is also the only automatic identification technology that enables multi-target recognition.
Application in the monitoring of safety of agricultural and livestock products.
In early 2004, researchers at North Dakota State University (NDSU) in the United States developed a method for detecting mad cow disease using RFID technology, which provided new technical assurances for the U.S. public food safety. By implanting RFID tags on the ears of cattle, details of the cow, such as its feeding, age, weight and prevalence, can be recorded. At the same time these tags can automatically read the data, and can send these data directly to the computer database. Many farms in the United States now have access to the technology; the U.S. government also mandates the use of electronic tags to track animals and improve their ability to track and trace from farms to processing plants and must be identified within 48 hours. Japan under the auspices of the EDI Council of Fruits and Vegetables carried out on the production of apple, rice, vegetables and other agricultural products based on RFID technology and food tracking system, and in Japan's Chiba Prefecture conducted a test and achieved good results. Some domestic enterprises also showed great interest in this. Tsinghua Tongfang Group has developed a set of RFID food traceability management system, using advanced RFID technology and relying on network technology and database technology, to achieve information fusion, query, monitoring, for each Production phase and distribution to the final consumer areas in the process of providing security for each item, the source of food ingredients and inventory control of the rational decisions to achieve early warning mechanism for food safety. For food manufacturers to provide a complete set of solutions.
Application in animal identification and tracking.
Animal identification and tracking generally use a specific label, with a technical means corresponding to the animal to be identified, and can keep track of the relevant attributes of animals and management.
At present, cattle tracking systems have been established in Europe. In September 1998, the United Kingdom announced a cattle tracking system plan. The British government requires that cattle born or imported after July 1, 2000 must be digitally identified. By the end of 1999, all EU member states implemented this system plan. From November 1, 2003 onwards, the United Kingdom began to implement the new pig identification standards; January 1, 2008, Europe will be mandatory for sheep electronic identification; In addition, the British government also provides that from August 30, 2004 At first, all the horses should be identified and tracked. The use of RFID in animal identification represents the highest level of current animal identification technology. Install the electronic tag on the animal and write the ID code that represents the animal. When an animal enters the identification range of an RFID stationary reader or the worker holds the handheld reader close to the animal, the reader automatically identifies the animal's data. If the reader's data is transmitted to the animal management information system, animal tracking can be achieved.
In livestock and poultry fine production system application.
Tian asked servo system. The field servo system mainly records field weather images and soil micro-meteorology, temperature and humidity, sunshine and wind speed, rainfall and other micro-meteorological records automatically using the wireless technology such as RFID, monitoring records of production growth of agricultural products. Among them, Japan's field server (fjeld server) and the University of Berkeley developed by the MOTE and JPL developed SW (S, nsor Web) the most famous; in Taiwan, 2005 COA to promote rice, tea and Internet marketing Domestic fruit production and marketing information and RFID to promote the use of the program, intended for agricultural resources and environmental management of electronic, promote the development of organic rice, tea and network marketing of domestic fruits as a model system, which involves the use of field servo system of fine agricultural production mode .
Livestock products fine culture digital system. In 2003, the digital farming research project was first included in the 863 digital agriculture project in our country. At present, a set of RFID cattle individual identification system based on long-distance system has entered the practical stage. The system uses a collar-type transponder, hung on the neck of a cow. When a cow passes the automatic weighing system of the system, the reader in the system automatically reads the unique number of the cow and completes the weighing process through the pressure sensor. The two one-to-one correspondence data (numbering and weighting), along with the acquisition time, is sent over the wireless LAN to the server's upper server, providing vital real-time data to the digitized farming platform. In the fine culture digitization system, RFID and other sensor technologies are used to track the physical and productive activities of the captive livestock and are connected via wired or wireless communication, and the computer data control center forms a distributed computer management network.
Application in the Circulation of Agricultural Products.
RFID technology has the characteristics of automatic, fast and multi-target identification. If the RFID tag is affixed to agricultural products, the product information will greatly improve the product information collection rate in the circulation process of "a place of origin, a wholesale market, a retail store" Improve the degree of information integration and sharing in the agricultural supply chain, thus improving the efficiency and customer satisfaction of the entire supply chain.
Ballantine, a leading American producer of fruit and vegetable products, is passionate about being a pioneer in the industry. This Sanger, California-based agri-food company pioneered the development and application of RFID technology in the industry to meet the needs of its customers, Wal-Mart, for RFID technology Claim. In addition, Ballantine also has a dedicated RFID system implementation plan. Ballantine plans to extend the RFID system to other products such as grapes and fresh fruit imported from Chile in the near future.
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