The importance of RFID technology in the development of intelligent logistics is growing
Warehousing management has been playing a very important role in the logistics sector. With the adoption of RFID technology in the logistics field, a large number of logistics commodities are circulated every day. With the characteristics of fast speed and good stability, RFID technology quickly banned the traditional technology. The development of intelligent logistics can not be separated from the Internet of Things, RFID, sorting and other technologies, and gradually integrate various technologies into the logistics industry. RFID technology is expected to become a cornerstone of the development trend of intelligent logistics.
Although most of the deployment of RFID technology has begun, logistics companies have been able to shorten the operation process, increase the throughput of the distribution center, improve the quality of inventory operations, increase the transparency of supply chain management, and transmit information more quickly, accurately, and safely. , but still have to continue to optimize.
Because of the variety of materials transported by logistics, in general, conductive liquid substances can strongly absorb electromagnetic waves, while metal objects or high-density non-metal materials can reflect electromagnetic waves. In logistics applications, especially in the case of daily necessities, bag sorting, etc., the content of the logistics object is often uncertain, that is, the nature of the logistics object is very complex, solid, and Leading liquids, metal objects may still be present.
The shape and size of the object. The shape of the identified object is easy to install and does not form occlusion for objects with regular shape. It is necessary to consider the effect of RFID recognition from several aspects. Recognition of object size is directly related to the distance of reading system and the way of installation of the reader system. Of course, if the tag is fixed on one side of the reader antenna, the reading effect will be better.
The speed at which objects move. The moving speed of the identified object is related to the time that the tag stays in the electromagnetic field, that is, the time for the tag to obtain energy. The longer the time, the more charged the capacitance inside the tag, the longer the continuous discharge time, and the more stable and reliable the work is. However, with the gradual improvement of the performance of the reader and antenna, the high speed will affect the accuracy of reading results will be effectively controlled.
Because the basic principle of the RFID system is the coupling and propagation of electromagnetic waves, the performance of the system is very sensitive to the electromagnetic impact of the installation environment. In practical applications, a wire, a net line and so on in the installation environment may have an impact on the reading performance of the system. In the logistics center, there may be various metal shelves, which will seriously affect the transmission of RFID electromagnetic wave.
The so-called application level of the RFID system refers to the application level of the RFID tag, which is single grade, small packaging level, large packaging level, pallet level or container level, etc. Take cigarettes as an example, its application can be each pack of cigarettes, can also be one, or a box, and for warehouse management, can also be a pallet. The application of different levels will change the size of the recognizer, the number of identifiers recognized at the same time, and so on, so it will also affect the recognition effect.
The shape and size of the label and the way it is installed also affect the stability of the label. Labels come in various shapes, including strip, card, cylinder and all kinds of special-shaped labels. The size and shape of tags need to be determined according to the requirements of specific application systems. But the smaller the label is, the worse the reading effect is, and the more difficult it is to encapsulate the label. Label installation includes pasting, hanging, embedding, wearing and other ways. For larger labels used in trucks, containers, etc., riveting can also be used. The selection of installation mode and location is also very important for the system.
For the whole RFID system, the RFID tag is a consumable, so the cost of tag is relatively high. Therefore, the choice of the RFID system must be based on the value of the identified items and the added value that can be created.
The application of RFID in logistics has become a contributor to the development trend of intelligent logistics. There are still many problems to be optimized. The advantages of RFID technology will play a perfect role. With the acceleration of technological innovation in logistics enterprises, the efficiency and transparency of information management become the ideal goal. Continuously improve the effective operation process and work efficiency, to meet the logistics future informatization, intelligence, modernization of a major construction.
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