基于TMS320F2812的挤出装置串行通信研究  

Research on Asynchronous Serial Communication based on F2812 DSP in Paste Extrusion Device

作　　者：刘洪军[1] 郑华滨[1] 高辉[1] 

机构地区：[1]兰州理工大学有色金属新材料省部共建国家重点实验室,兰州730050

出　　处：《微计算机信息》2011年第5期23-25,共3页Control & Automation

基　　金：基金申请人:刘洪军;项目名称:水基ZrB2膏体非连续挤出过程中液相迁移行为研究;基金颁发部门:国家自然科学基金青年基金;国家自然科学基金委(50906037);基金申请人:刘洪军;项目名称:复杂UHTCs零件FEF成型过程中膏体挤出流变行为研究;基金颁发部门:甘肃省国际科技合作项目;甘肃省科技厅(1011WCGA163)

摘　　要：膏体挤出自由成型是一种陶瓷零件快速制作工艺,挤出位置和挤出速度的控制以及挤压力的实时采集对于陶瓷膏体挤出装置的运行非常关键。本文采用了TMS320F2812DSP对挤出装置进行控制和数据传输,分析了控制任务的结构,研究了DSP与PC机之间的串行异步通信方案,详细阐述了数据传输格式和接收方式,并设计了上下位机的控制程序。对通信方案的实施结果表明:该通信方案准确有效,可以完成电机控制和数据采集。The Extrusion Freeform Fabrication（EFF） process is one of rapid prototyping technologies for ceramic components.The control of extrusion position and extrusion velocity and the data collection of extrusion force are very important to smooth running of the extrusion device of ceramic paste.In this paper,the TMS320F2812 DSP was applied to control the extrusion device and transfer data.The structure of control task was analyzed and the asynchronous serial communication between TMS320F2812 DSP and computer was investigated.The data transfer format and data receiving mode were introduced detailed.The control programs of computer and DSP microprocessor were designed also.The results show：the asynchronous serial communication project between PC and DSP is accurate and effective and can conduct the motor control and data collection of extrusion device.

关 键 词：串行异步通信 TMS320F2812 PC机 步进电机 挤出装置 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]