基于RFID技术和FPGA主控模块的智能图书测距系统设计  

Design of Intelligent Book Ranging System Based on RFID Technology and FPGA Main Control Module

作　　者：杜文龙 DU Wenlong(Library,Xi’an Aeronautical Institute,Xi’an 710077,China)

机构地区：[1]西安航空学院,图书馆,陕西西安710077

出　　处：《微型电脑应用》2024年第4期43-46,共4页Microcomputer Applications

基　　金：陕西省教育厅科研计划项目(19JK0334)。

摘　　要：为了提高用户在书架中搜索、获取目标图书的效率,设计一款基于RFID技术和FPGA主控模块的智能图书测距系统。设计的智能图书测距系统的整体架构由RFID系统、FPGA主控模块和显示模块等3部分组成。重点对RFID系统的组成进行剖析并深度分析,设计出智能图书测距系统的通信框架,并对图书相位差测距原理流程、最小二乘拟合算法和系统测距方法进行阐述。设计智能图书测距系统的指令流程,并采用MATLAB的Simulink进行高度拟合和可视化仿真测试。经过测试得知,系统运行流畅,电子标签测距误差范围较小,为0.1~5.0 cm,能够满足在书架中精确测距、快速发现和获取指定图书的系统设计要求。In order to improve the efficency of users searching and obtain tagget books on bookshelves,an intelligent book ranging system is designed based on RFID technology and FPGA main control module.The overall architecture of the intelligent book ranging system is designed,which is composed of RFID system,FPGA main control module and display module.The composition of RFID system is analyzed in detail,the communication framework of intelligent book ranging system is designed,and the principle flow of book phase difference ranging,least square fitting algorithm and system ranging method are described.The instruction flow of the intelligent book ranging system is designed,and the Simulink of MATLAB is used for height fitting and visual simulation test.The test shows that the system runs smoothly and the error range of electronic tag ranging is small(0.1-5.0 cm),which can meet the system design requirements of accurate ranging in bookshelves,rapid discovery and acquisition of designated books.

关 键 词：RFID技术 FPGA主控模块 系统设计 测距 相位差 电子标签 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]