可控变频电路在激光凹印制版控制系统中的应用  

Application of controllable frequency conversion circuit in the control system of laser gravure plate making

作　　者：周思聪[1] 夏琴香[1] 朱以林 王石子 

机构地区：[1]华南理工大学,广东广州510640 [2]东莞东运机械制造有限公司,广东东莞523563

出　　处：《微计算机信息》2010年第20期33-35,共3页Control & Automation

基　　金：基金申请人:秦学锋;夏琴香;项目名称:粤港关键领域重点突破招标项目(东莞专项)<基于嵌入式控制技术的激光凹印制版设备研制及其产业化>;基金颁发部门:广东省东莞财政局(2007168206)

摘　　要：为了提高激光凹印制版的雕刻精度,满足人们对商品包装图形图像高质量的要求,提出了在编码器信号反馈环节中插入一个基于FPGA的可控变频电路设计方案。首先简要介绍了可控变频电路在激光凹印制版控制系统反馈环节中的应用意义和作用;其次,分别对组成可控变频电路的分频模块和锁相倍频模块的硬件设计进行了分析,并利用QuartusⅡ仿真工具对其进行了时序仿真;然后,重点介绍了一种可控变频电路中倍频系数M和分频系数N的最优化算法,且利用Matlab软件对其中一组制版工艺参数进行了数值计算和分析。实践结果表明,该硬件、软件设计方案简易可行,具有很高的灵活性和可重构性,为实际生产起到理论指导作用。To improve the carving precision of laser gravure plate making and fill the demand of high quality of commodity packaging picture,a new design project of adding a controllable frequency conversion circuit based on FPGA in the encoder feedback loop is given.The significance and function application of frequency conversion circuit in the feedback loop of control system of laser gravure plate making is simply introduced in the first part of paper;The hardware design of frequency division module and frequency multiplication module which worked in the frequency conversion circuit are analyzed individually,including the timing simulation by simulation tool of QuartusⅡ;Then a optimization algorithms about coefficient of frequency division and frequency multiplication in the frequency conversion circuit is mainly explained.According to the optimization algorithms,a group of plate making process parameters are numerical calculated and analyzed by Matlab in the final.The results of test demonstrate that the hardware、software design project is simple and feasible,with high flexibility and good reconstructive ability.It will play a important role in production.

关 键 词：变频电路 激光凹印制版 分频 倍频 锁相环 

分 类 号：TN47[电子电信—微电子学与固体电子学]