地铁AFC系统中的票卡读写器设计  

Rail transit AFC system card reader design

作　　者：李渔 万礼华 王怀翊 

机构地区：[1]重庆金美通信有限责任公司,重庆400030

出　　处：《电子技术应用》2013年第12期28-30,共3页Application of Electronic Technique

摘　　要：票卡读写器在地铁AFC(自动售检票)系统中属于票卡业务的核心部件。基于重庆地铁应用实例,阐述了地铁AFC系统的组成结构和票卡读写器在AFC系统中的地位;分析了票卡读写器的系统构成、票卡操作的原理;根据重庆地方票卡规划系统性阐述了读写器的系统软件设计和多任务规划;对多任务中的重要任务(读卡任务和数据任务)进行了较详细的阐述;分析了票卡处理业务的软件实现细节。目前该票卡读写器已经应用于重庆地铁系统中,运行稳定,性能符合要求。Card reader is a core component in the rail transit AFC system. This article describes the structure of AFC system and the position of card reader in AFC system, and analyses system structure and operation theories, This article aIse decribes the design of system software and multi-tasks programme for card reader according to the plan of ticket-card in Chongqing systemat- icly. Finally, the article elaborates the details of the most importmant task（the task of reading card and the task of data） in mutli- tasks, and analyses the details of software implementation in analysis of card processing. The card reader in discussion has met the CRT standard. It is stable and has high performance.

关 键 词：AFC RC531 SAM AGM TVM BOM 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]