Research on the Application of RFID Technology in Food Safety Traceability Platform 2017-10-17
"Food for the people, food to safety for the first", food safety is a big thing, is a key factor affecting human health. In recent years, domestic and international food safety incidents occur frequently, the people of food safety is very hard to prevent, whether the quality of food clearance, whether to achieve safety standards are often skeptical. From the "farmland to the table", the food industry's production and management of many links, any one part of the error, there may be a variety of security issues, affecting people's lives and health [1]. How to make people eat assured food, in addition to the establishment of the corresponding quality standards, strengthen the monitoring and testing, put an end to the problem of food into the market, but also the use of advanced logistics technology, through the traceability system to establish accountability mechanisms in the food after the market Further discover the root of the problem food [2]. How to eliminate the people of food quality and safety concerns, the key is to provide consumers with real food production and processing information and reliable quality and safety report.
RFID (Radio Frequency Identification) radio frequency identification technology, is the 20th century, 90 years began to rise a technology. RFID technology in today's many things networking system played a key role, it is "material" and "network" of the connection. This paper studies the application of RFID in food safety traceability platform, through the RFID technology to collect food-related information, input to the food safety management system, stored in the central database, to achieve information and data sharing, consumers and regulators can easily query the food production, Processing, transportation and other information.
1 RFID working principle introduction
Research on the Application of RFID Technology in Food Safety Traceability Platform
A basic RFID system consists of hardware and software components, the hardware mainly by the electronic tags, readers, antennas, the configuration shown in Figure 1. Software by the reader software, application software and middleware software components.
An electronic tag is a memory-only chip with an antenna that stores the identifier in the chip. When the electronic tag into the read and write system antenna radiation range, the reader first receive the label issued by the radio wave read data, and then transfer the data to the back of the operating system, the user can handle the data through the operating system to manage control [3].
2 RFID technology advantages
RFID as a easy to control, simple and practical, flexible technology, the superiority of the bar code, magnetic cards, IC (Integrated Circuit, IC) card and other identification technology can not match [4]. Compared with other automatic identification technology, the most obvious advantage of RFID technology is non-contact identification, do not need to operate within the scope of the visible; at the same time can read more labels, do not scan the logo one by one, greatly improve work efficiency; According to the system frequency band selection, cost savings; electronic tags with a storage information function of the chip plus packaging, waterproof and dust can be anti-oil, affected by the external environment [5].
In daily life, common to the food marked on the bar code, it is a visual label, the amount of information is small. Reference to RFID technology, electronic tags as the target of the label, attached to the target object, is the target information carrier. Compared with the widely used logistics bar code labels, the use of RFID tags has many advantages [6]. The obvious features are the ability to adapt to the environment, the amount of information is large, the reading distance is long, the electronic tags do not need to be within the sight of the recognizer, as shown in Table 1 [7-8].
Research on the Application of RFID Technology in Food Safety Traceability Platform
RFID technology continues to promote the use of people's lives to bring a lot of convenience, especially in the tracking of items, a large extent to improve the accuracy of information and efficiency. In Western countries, especially the United States, many retailers have asked their suppliers to use RFID technology in logistics to reduce logistics costs and distribution efficiency, to prevent the emergence of product out of stock. Traditional identification techniques are often used in animal breeding, this technology to a certain extent, in the farm on the intelligent management and production of practical problems, but it is difficult to complete the entire supply chain information needs. RFID technology provides a new technical support, it can solve the animal identity authentication and tracking problem, is an ideal source of traceability technology.
Application of RFID Technology in Food Safety Traceability Platform
The application of RFID technology in food safety traceability platform is mainly reflected in the collection of product information. RFID technology is mainly the use of specific electronic tags and products to be mapped corresponding to the product at any time related to the information tracking, traceability and management [9].
Take the pig supply chain as an example, from farming to the final consumption, need to go through a series of production, processing, transportation and storage sales and other links. Livestock generally by breeding plants, slaughterhouses, logistics to the market, the quality of the safety of pigs is also reflected in these areas, so the production and processing of information transparency can effectively improve and monitor product quality and safety. According to these links, the design of meat quality information management system, the functional modules need to expand according to business processes (Figure 2).
Research on the Application of RFID Technology in Food Safety Traceability Platform
RFID technology will be applied to the meat quality and safety information traceability system, can easily access all aspects of information. According to the business process through the RFID technology can be recorded from the source of production to sales of the relevant information, effectively on the meat source and processing of transport and other processes to track, while making the meat production process more transparent, can be supervised. RFID technology will be applied to the retroactive system, the need for breeding parts of the live pig meat, slaughter and processing of meat carcass carcassing, transport and sales of meat products label identification, the various aspects of RFID systems and electronic tag configuration requirements as shown in Table 2. In order to achieve the information query of the product life cycle of the pig, in addition to the electronic label configuration requirements, the encoding of the label must be by the RFID coding scheme in order to uniquely identify the identifier, only the unique identity can be unique Reliable and reliable information, while tracking traceability.
Research on the Application of RFID Technology in Food Safety Traceability Platform
For example, in the breeding link, you can design the electronic label for the ear tag, each ear tag corresponds to a code, that is, to each pig a coding logo, let it carry "identity card." When the piglets are born, the breeding staff will wear the RFID tag with the ear tag, and establish a basic information file of the pig, all the information in the breeding process such as their own growth information, feed information, drug vaccine Information, belonging to the breeding plant and operator information, inspection and quarantine is qualified and so are recorded to the file, and through the computer in a timely manner to upload information to the management center of the database. The ear tag and the file will be transferred with the migration of the pig, by reading the RFID ear tag, can call the query to the database of the information about the pig. When the reader to read the electronic tag encoding, can be stored in the database corresponding to the encoded data call out, easy to query.
Research on the Application of RFID Technology in Food Safety Traceability Platform
In the meat quality and safety information traceability system, RFID applications mainly include RF reader module and PC application platform and RFID reader and application platform between the communication protocol, the flow chart shown in Figure 3 [10]. By the PC operating system to the reader reader module to send the query command, the processor to read and write data block program part is mainly rely on the reader module to send and receive request signal and response signal to read and write.
4 concluding remarks
RFID technology makes food source traceability, flow tracking, information preservation, accountability, product recall possible. Through the combination of RFID technology and Internet of Things information service technology, it can realize real-time data collection from production and processing to logistics distribution to sales of the whole supply chain, and realize the effective monitoring and tracking of food.

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