Radio Frequency Identification (RFID) technology is an innovative application of modern science and technology in all aspects of society. As one of the top ten technologies with the most potential for development in the 21st century, the development of RFID technology has brought tremendous market value. RFID technology has been widely used in retail, logistics, manufacturing and many other fields. In the field of aeronautics, due to the cooperation between aircraft manufacturers, component suppliers and airlines, RFID technology has penetrated into all aspects of the supply chain system in the aviation field. However, on the whole, RFID technology started relatively late in the aviation field, The application of the field started later. It is of great significance to carry out RFID technology research in aviation field.
1. Aeronautical RF identification technology application layout
RFID technology in the field of aviation applications, divided by category, is currently divided into three major directions, including aviation manufacturing, aviation operations and maintenance, airport management.
Application Research of Radio Frequency Identification (RFID) Technology in Aviation
Figure 1 aviation applications RFID layout
1.1 in aviation manufacturing applications
In the field of aviation manufacturing, there are many kinds of parts and tools and tooling, and there are many kinds of parts and tooling tools. The process route is complicated and changeable, and the production cycle is long. Finished products need to go through a series of links such as processing and assembly of parts, and many parts may need dozens of parts Road processes can be produced, involving many workshops, outsourcing manufacturers. The production process is complicated. To maintain the production, raw materials, equipment, fixtures, warehouses, operators and a series of scientific cooperation, involving all business units and suppliers, the production process is extremely complex organization.
RFID technology can be applied to aircraft manufacturing operations and process tracking areas, through the use of RFID technology, the system can automatically collect production data and equipment status data for production managers to provide real-time data of all aspects of business processes, combined with process equipment, process characteristics And related process, quality indicators of the parameters of the production of important aspects of process parameters and equipment operating parameters and other production information online monitoring and analysis to help enterprises achieve the production process semi-finished products process, product process measurement, warehousing storage management Automation and information integration, automatic real-time tracking of the supply chain, sales and after-sales service feedback, so that enterprises can grasp the process of real-time information, and supervision and management of business operations. By adopting RFID technology, the level and efficiency of the aviation manufacturing industry can be greatly improved. In addition, by establishing an intelligent warehouse, the materials and materials in the warehouse can be checked and checked in real time and in time, which reduces the risk caused by human factors, Control of material costs also has a very important role, but also can further enhance the economic efficiency of aviation manufacturing enterprises.
1.2 in the aviation operation and maintenance applications
1) Air material management
The variety and quantity of aviation materials are increasing, which leads to the difficulty of aviation material management and the increase of complexity. Aeronautical materials management is different from the general materials, the price is relatively expensive, if the aviation material is not sufficient supply, it will inevitably have an adverse impact on aviation maintenance, then the vicious circle caused by it is difficult to make up. The storage of aviation materials should be controlled within an ideal limit. Too much aviation materials will inevitably lead to a mess of airlines' financial affairs, which will adversely affect the overall development of the aviation industry. Therefore, the management of aviation materials, we need to take into account many factors to complete the desired control.
The use of RFID technology can realize the unique identification of aviation materials, aviation materials according to the name, model and part number can only determine an aeronautical material, aviation materials equipped with RFID tags unique, to achieve one-to-one correspondence with the aviation material. The RFID reading and writing equipment should first enter the name, model, part number, quantity, storage location and other information of the aviation material in the label, and finally install the label on the aviation material package and bind the label with the storage location label, Easy to find later. Aviation materials storage management, inventory management, a library management.
2) Maintenance Management
Maintenance is a relatively central part of the development of the aviation industry. The complexity of the aircraft system determines that more maintenance tools and ground support equipment are needed in modern aviation maintenance. The effective control of these tools and equipment has become normal The material prerequisites that have a direct impact on the efficiency and effectiveness of maintenance, but also reflects the maintenance and management capabilities and maintenance of aviation maintenance enterprises [1]. How to effectively control these tools and equipment is an important issue for aviation maintenance companies. Research on the application of RFID technology to the management of aviation maintenance tools has been more in-depth. Relevant commercial hardware products have also appeared, which provides the conditions for the efficient management and control of maintenance tools.
RFID technology can be used to manage maintenance tools for real-time tools to achieve real-time visualization. Paste the tool before entering the electronic tag of the tool information, each time the tool is lent and returned, simply by having all the tools through the reader's identification area, you can complete the exchange of information on all tools, tools, "Play a significant role.
3) life-saving equipment management
After the oxygen generator is installed on the aircraft, it often takes a lot of manual inspection routinely to prevent the equipment from over-expired. Before RFID technology was used, staff had to open the panel above the seat to check the oxygen generator's date, so in practice, to avoid its expiry, many oxygen generators were replaced without expiring, Reduces the service life of the equipment and increases the operating costs. Using RFID technology can help companies know how long each oxygen generator has expired. Similarly, life jackets have the same regulatory needs and management pain points, through the use of RFID technology, provides a good technical means to protect the life-saving equipment management.
Delta has been using RFID technology for pilot applications since 2011. Uses UHF RFID tags to manage ten Boeing 757s. After an actual trial comparison, Delta Data came up with the following data: Before using RFID technology, every time the oxygen generator was checked, the panel above the seat had to be repeatedly opened and the inspection of the entire aircraft required an engineer for about 8 hours Right to finish. After using RFID technology, with a dedicated handheld, you can read the information directly from the label on the oxygen generator across the panel. The inspection of the entire aircraft takes only 2 minutes for an engineer to complete.
1.3 in the airport management application
1) Airport baggage management
Airports and airlines are working to use RFID to enhance baggage tracking, distribution and delivery. Compared with the traditional barcode management, RFID baggage management system can read tags at a long distance, which enables faster identification and more accurate results. It enables the airport's baggage handling system to track luggage more accurately and help deliver the baggage on time.
Las Vegas McCarran International Airport is used by Allegiant, Southwest and US Airways as key hubs and is also the largest operating base for Allegiant and Southwest Airlines. McCarran International Airport is also the first airport in the United States that uses RFID to manage its entire baggage.
Application Research of Radio Frequency Identification (RFID) Technology in Aviation
Figure 2 Airport baggage management
2) e-ticket
E-ticket, is an electronic form of paper ticket. It stores the coupon information in the reservation system, can perform the same as a ticket votes, void, refund, change sign and other operations. Passengers do not need to get the traditional paper ticket, as long as the ID card and e-ticket order number, one hour before the plane took off to the airport airlines specialized counters, you can get the boarding pass directly on the plane, thus avoiding the ticket Lost or forgotten caused by the embarrassment of not boarding.
3) Control and dispatch of vehicles in the airport
The on-site vehicle monitoring and command dispatch system based on GPS / BDS / GLONASS, RS, RFID, GIS, network technology and database technology has been widely used in large airports at home and abroad.
In particular, RFID has been successfully applied to the management of the airport's freight transportation, thus realizing the real-time, accurate and complete recording and tracking of the goods, which can comprehensively and efficiently enhance the management from product production, transportation to sales and other aspects and provide various improvements Easy to use query, statistics, data analysis and other functions. Each cargo can be set up within the network complete information, cargo tracking and management of content, lines and logs can be clear at a glance.
4) Security Management
The application of RFID in security prevention mainly includes: airport security prevention management, staff management, crossing vehicle management and so on. Through the RFID technology can blacklist the staff to issue a warning signal when passing through the level, and quickly indicate where the person's luggage, so that managers can be promptly and accurately identify the luggage to do the relevant work to better prevent terrorist incidents occur. Each tag has a set of uncorrected, individual numbers that are specifically encrypted to manage and interrogate devices such as new, deleted, modified sensor attributes and motion sensors. The airport can be based on the position of each staff member to regulate their scope of activities, and then placed the electronic tag of the above information on the employee's work card. RFID technology identifies whether the employee has entered an unauthorized area in order to better manage the workforce.
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