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1. Technical features and advantages of RFID
RFID is a non-contact automatic identification technology. It uses radio frequency signals to automatically identify target objects and obtain related data. The identification work does not require human intervention. The RFID application system has a series of advantages such as non-contact, long working distance, high accuracy, automatic and fast information collection and processing, and good environmental adaptability. It can not only replace the traditional manual entry method, greatly improve the operating efficiency of the enterprise, but also because of its advanced technology. The automatic identification function can easily achieve tasks that were previously difficult to complete manually, and provide strong support for improving the competitive advantage of the enterprise and enhancing the core competitiveness of the enterprise.
2. Introduction to RFID system composition
The most basic RFID system consists of the following three parts:
? Tag (Tag): Composed of coupling components and chips, each tag has a unique electricalSub-code, attached to the object to identify the target object;
? Reader: A device that reads (and sometimes writes) tag information,Can be designed as handheld or fixed;
? Antenna: Transmit radio frequency signals between the tag and the reader.
An electronic tag generally stores electronic data in an agreed format. In practical applications, the electronic tag is attached to the surface of the object to be identified. The reader can read and identify the electronic data stored in the electronic tag without contact, so as to achieve the purpose of automatically identifying the object. Usually the reader is connected to the computer, and the read label information is transferred to the computer for further processing. RFID information processing system (ie, back-end application support software) is integrated and collected by the readerTo the label data.The system is shown in Figure 2-1
3. The impact of establishing an RFID system on manufacturing production lines
Production enterprises introduce RFID, combine RFID with existing manufacturing information systems such as MES, ERP, etc., establish a real-time management system for production lines, optimize and rationally use resources, increase production capacity, increase asset utilization, and higher-level Quality control and various online measurements create greater benefits for enterprises.
3.1 Impact on real-time data flow
RFID can provide a continuously updated real-time data stream. Complementing the manufacturing execution system, the information provided by RFID can be used to ensure the correct use of labor, machines, tools, and components, thereby achieving paperless production and reducing downtime. Furthermore, when materials, parts and assemblies pass through the production line, the production process can be controlled, modified or even reorganized in real time to ensure reliability and high quality. All data is collected by the client computer at high speed via wireless means.
3.2 Impact on real-time supervision of production lines
With real-time data streams as the basis, management systems such as ERP can mine these large amounts of data, conduct real-time and effective supervision of production schedules and processes, identify production bottlenecks, solve production problems, and deploy higher-level quality control and Various online measurements.
3.3 Impact on the actual production capacity of the production line
RFID can provide the most accurate calculation results of the man-hours required for the process. ERP software can accurately evaluate each worker’s process and working hours through RFID, and calculate the actual production capacity of each production line. Enterprise managers can use these data to make more accurate analysis of the company’s business capabilities.
3.4 Impact on the balanced production line
After completing data mining and analysis, enterprise managers can master workshop production capacity, solve production bottlenecks in real time, monitor production progress in real time, and improve production processes through quality monitoring. RFID provides the basis for enterprises to achieve a balanced production line, and is compatible with enterprise ERP, SCM, MCS, etc. The combination of mainstream management systems allows every employee in the company to play the best role. The effective working time of the production line is increased by 15%, and the output is increased by 10%; supply chain costs are reduced by 30%, inventory is reduced by 25%, and sales are increased by 10%.
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