射频识别技术的竞时自动计圈及计时系统设计和实现

Design and Implementation of RFID Technology Based Circle-Counting and Timing System Used in Sports

为解决运动场内长距离竞时比赛的计时、计圈需耗费大量人力财力的问题,设计了适用于竟时比赛的自动计圈及计时系统。系统采用TI的低频RFID(射频识别)模块及感应器为核心部件,设计了符合运动比赛计时需要的射频天线,分别解决了RFID的防碰撞问题、系统对运动员的响应速度等问题,并设计了相应硬件及主机管理软件。本系统经测试,效果良好。

To solve the problem of consuming a lot of manpower and money in circle-counting and timing of sports in playing field, an automatic circle-counting and timing system which can be used for timing of sports was constructed. The system adopts low frequency RFID modules and transponders of Texas Instruments as its core components. Radio frequency antennae which are suitable for timing in sports were designed. Several problems such as anti-collision problem of RFID, responding speed of the system tO athlete, were solved. Management software of host computer and relevant hardware were designed. The system works well in tests.