摘要
为适应柔性化制造的发展趋势,提出一种基于可编程片上系统的机床数控系统设计方案,使得数控系统可以按需重构。给出了嵌入式数控系统的总体硬件设计;说明了可编程片上系统(SOPC)的内部架构和Nios II软核处理器具体配置,实现了MCU、DSP和用户逻辑在一片FPGA芯片上的集成;设计了数控系统的重构方案并在EP2C50芯片上进行了重构实验,结果表明:整个重构周期耗时748 ms,能满足数控机床使用中的现场实时重构要求。
To meet the development trend of flexible manufacturing, a CNC system design scheme was presented based on system on programmable chip （SOPC） technology to reconfigure CNC system as needed. The overall embedded CNC system hardware design was introduced. The internal design of SOPC and the configuration of Nios II soft-processor were specified. MCU, DSP and user logic were integrated in a single FPGA chip. Reconfignration scheme of the CNC system was presented. The CNC reconfiguration experiment was carried out in FPGA EP2C50. Experimental result shows that the reeonfiguration method is efficient. The whole reeonfiguration process consumes 748 ms. It meets the time requirement of CNC machine tools to run real-time configuration.
出处
《机床与液压》
北大核心
2012年第4期49-51,共3页
Machine Tool & Hydraulics
基金
河南科技大学科研创新能力培育基金(2010CZ0002)
关键词
机床
数控系统
可编程片上系统
可重构系统
Machine tools
CNC system
System on programmable chip
Reconfigurable system
