Break the traditional warehouse management mode, actively explore new information management technology, and build a new warehouse management information system platform to coordinate the operation of all links on the basis of adapting to the original management process of the enterprise. On april20,2007, the Ministry of Information Industry issued the notice on Issuing the Trial Provisions on the application of 800/900mhz frequency band radio frequency identification (RFID) technology. Open source software radio technology has a deep impact on the radio industry, and electronic labels are no exception. GNU radio is a free suite of software development tools. UHF Handheld Terminalprovides signal operation and processing modules, which can be used to implement software defined radio on low-cost radio frequency (RF) hardware and general-purpose microprocessors. This suite is widely used by amateurs, academic institutions and commercial institutions to research and build wireless communication systems. RFID technology warehouse management is aimed at warehouse arrival detection, warehousing, outbound, distribution, warehouse transfer, RFID technology application, RFID technology, RFID technology, etc.

The application of radio frequency identification (RFID) can fundamentally solve the above problems. Based on radio frequency identification (RFID) technology and according to the actual situation and needs of warehouse management, Hangzhou Dongshi technology has developed an RFID intelligent warehouse management system.

RFID is the abbreviation of radio frequency identification, namely radio frequency identification. It is a non-contact automatic identification technology. RFID can be traced back to the Second World War (about 1940). At that time, its main function was to distinguish the enemy from the British aircraft. In recent years, with the development of large-scale integrated circuit, network communication, information security and other technologies, as well as the promotion of Wal Mart, the world's leading retailer, RFID has been rapidly applied to smart grid, transportation, logistics industry, medical health, fine agriculture and animal husbandry, finance and service industry, industry and automatic control, smart home, environment and security detection, public security, national defense, smart city and other industries and fields. RFID is to automatically identify the target object and obtain relevant data through RF signals. It is mainly composed of electronic tag, fixed reader and Android Handheld RFID Reader. Tags are composed of coupling elements (also known as antennas) and chips. Each tag has an electronic code (EPC), and the chip can store specific serial numbers and other information. The reader is the bridge between the tag and the software system. On the one hand, it reads the tag information, and on the other hand, it communicates the reading results with the software system. The antenna exists in the tag and reader and is responsible for data transmission from the tag chip to the reader and then to the software system.

RFID technology is divided into low frequency, high frequency, ultra-high frequency, active, etc. RFID technology has the characteristics of non-contact, fast scanning, high identification efficiency, not easy to be damaged, suitable for harsh environment, convenient operation, fast reading and writing speed, large amount of information storage, multi-purpose one card, anti-collision, good security encryption performance, reusability, tracking and positioning, etc.

To realize the unification of information flow and real logistics, the traditional warehousing management inevitably faces the real-time data lag due to the limitations of technical conditions, which can not accurately reflect the warehousing inventory and logistics in real time, resulting in a serious disconnection between information flow and real logistics. In RFID backscatter coupling mode, the frequency of electromagnetic wave reflected by a target is determined by the reflection cross section. The size of the reflection cross section is related to a series of parameters, such as the size, shape and material of the target, the wavelength and polarization direction of the electromagnetic wave, etc. Since the reflection performance of the target usually increases with the increase of frequency, the RFID backscatter coupling mode adopts UHF, and the distance between the transponder and the reader is greater than 1m. Reader / writer, transponder (electronic tag) and antenna constitute a transceiver communication system. Visual warehouse in / out management mainly covers warehouse in and warehouse out of goods (pallets). The intelligent warehouse management system shall be able to realize the visual management of warehouse real-time data in the management center. Truly realize the synchronization of real logistics and data flow.

By using RFID technology, improve the efficiency of warehouse management and provide the accuracy of WMS system data. The main objectives are as follows:

Reduce human operation leakage, improve management level and reduce potential safety hazards;

Real time data acquisition, keeping the consistency of items and records in time;

Reliable and stable data acquisition and accurate data;

The statements are manually sorted and summarized and then completed by computer;

Improve the efficiency of data management, timely register the detailed accounts of various safety tools and instruments, and achieve the consistency of accounts, materials and cards;

The system is flexible and has expansion function;

The system is practical and easy to operate for users with different levels of professional quality.

Because of UHF Handheld Reader, we can pass through some daily channels and pass the ticket inspection efficiently, saving a lot of time; Because of the PDA, during this period, the medical staff can carry out data collection in many scenes without contact and with high efficiency, greatly improving the work efficiency of fighting the epidemic and saving people. It is convenient for individuals or doctors to consult. It can also monitor the health status of the human body, and then send the detected data to the communication terminal, which can save costs in medical expenses and make people's life easier. Smart home: in the daily life of the family, the rapid development of the Internet of things enables people to live in a more convenient and comfortable environment. People can use the wireless mechanism to operate the running state of a large number of electrical appliances, and can also realize the functions of quickly locating the location of family members. Therefore, the Internet of things can be used to control and manage family life. The data of each operation link such as inventory is automatically collected, so that the speed and accuracy of data in each link of warehouse management are more intelligent, and it is convenient for enterprises to manage stored goods.

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