Abstract: The logistics and supply chain management system uses RFID tags as the information carrier for goods in the process of logistics and supply chain management. RFID readers and handheld data collectors are used as information collection devices to realize logistics and supply chain management. Quick, automatic, efficient and batch collection of information in key operations such as warehousing, warehousing, inventory, transportation, and transfer, realizing automatic management of information collection in logistics and supply chain management, and improving logistics and supply chain management And efficiency.
1 Overview
1.1. Analysis of the status quo of logistics and supply chain management
Logistics and supply chain management play a very important role in the entire management process of the enterprise. If the timely and accurate supply chain management such as warehousing, warehousing, logistics and inventory control cannot be guaranteed, it will bring huge losses to the enterprise. Not only the increase in management costs, but also the quality of customer service is difficult to guarantee, and ultimately affect the market competitiveness of enterprises.
The traditional logistics and supply chain management model relies mainly on manual management, and the transparency is poor. Logistics and supply chain management personnel do not know much about the storage situation of the entire warehouse, and lack real-time tracking management. Although with the popularization of computer applications, most enterprises' logistics and supply chain management data have been managed by computer data systems, but the data is collected and statistically collected by first recording the paper and then manually inputting the computer. This not only causes a lot of waste of human resources, but also due to human factors, data entry speed is slow and accuracy is low.
With the continuous development of the scale of enterprises, the number of items in logistics and supply chain management is increasing, the frequency of storage and storage is increasing rapidly, logistics management and warehouse management operations are also very complicated and diverse. Traditional manual warehouse operation mode and data collection The method has been difficult to meet the fast and accurate requirements of warehouse management, which seriously affects the operational efficiency of the enterprise. Therefore, it is urgent to build an intelligent warehouse management system to improve logistics and supply chain management, improve the utilization of warehouse space, speed up the efficiency of storage operations, rationally distribute labor, and improve production efficiency; thereby achieving human resources, equipment utilization, logistics and supply. Effective optimization of chain management to improve the core competitiveness of enterprises.
1.2. Application of RFID in Logistics and Supply Chain Management
The RFID-based logistics and supply chain management system introduces RFID technology into existing logistics and supply chain management, and performs data on various operations such as warehouse-to-cargo logistics, distribution, warehousing, delivery, transfer, and inventory. Automated data collection ensures the speed and accuracy of data input in all aspects of logistics and supply chain management, ensuring that enterprises can accurately and accurately grasp the real data in stock and in transit, and maintain and control inventory reasonably. By using the system's location management function, it is possible to grasp the current location of all inventory items in time, which is conducive to improving the efficiency of warehouse management.
By attaching RFID electronic tags to the materials, the system can quickly and batchly identify the substances, and accurately obtain relevant information of the products at any time, such as the type of materials, suppliers, delivery time, expiration date, inventory, etc. Wait. RFID logistics and supply chain management system can realize real-time monitoring of materials from all aspects such as storage, storage, inventory, and transfer, which not only greatly improves the degree of automation, but also can greatly reduce the error rate, thereby significantly improving logistics and supply chain. Management transparency and management efficiency; RFID's application in logistics and supply chain management helps companies reduce costs and gain competitive advantage. Information flow is conducive to control and reduce inventory, and reduce costs (including labor costs), enabling enterprises to warehousing The management of materials is more efficient, accurate and scientific.
2. System architecture and design
2.1. Overall design thinking RFID logistics and supply chain management system, through RFID electronic tags as the information carrier of goods in the process of logistics and supply chain management, RFID readers and handheld devices as information collection equipment, in logistics and supply chain management Quick, automatic, effective and batch collection of information in key operations such as warehousing, warehousing, inventory, and transfer in the process, realizing automatic management of information collection in logistics and supply chain management, and improving logistics and supply chain management And efficiency.
2.2. System Logical Architecture
The figure above shows the logical relationship between the various components of the RFID identification system and the logical relationship with the user's existing business system. Each application module management center service, storage terminal service, handheld terminal service and middleware of the upper application exchange data; the middleware manipulates hardware devices (including fixed readers and handhelds) through the data transmission layer according to the instructions of the application module sub-module Data collector, RFID card issuer), and obtain the data returned by the hardware device; the hardware device reads or prints the electronic tag according to the instructions of the middleware, and the middleware is also responsible for data exchange between the application and the database.
The system reserves a standard data interface during the overall design to facilitate data exchange with the user's existing business system (ERP system).
2.3. System Topology
The logistics and supply chain management system consists of a central management subsystem, a warehouse operation management system, and a handheld terminal operation system. These systems are linked to each other to achieve labeling, warehousing, delivery, storage, transfer, etc. of storage materials. The data of each operation link is collected quickly and accurately, ensuring that the enterprise can accurately grasp the real data of the inventory in a timely and accurate manner, reasonably maintain and control the enterprise inventory, effectively improve the efficiency of warehouse management and reduce the operating cost.
System topology The management center subsystem is the core of the entire logistics and supply chain management system. Its main functions include data collection and data backup. Each application service module is delivered as an inbound order and a material outbound order. , the transfer of materials and materials, the issuance of materials and materials, the management of materials, the management of basic data, and the management of warehouse authorization.
The label issuance subsystem is the starting point of materials in the storage life cycle. Its main function is to add electronic tags to the new materials to write material information, and complete the information identification of materials in the system.
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