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通过分析基于PC机的数控系统及嵌入式数控系统架构存在的局限性,结合开放式数控系统的功能需求,设计了一个具有工业以太网功能的模块化嵌入式可重构计算机数控(CNC)系统.该系统改进了传统的基于ARM+DSP+FPGA的嵌入式系统设计架构,并扩展了工业以太网功能模块.在此基础上构建了系统硬件平台,给出了系统硬件构成及系统软件实现.该系统中央数字控制单元不再是一个通用的单CPU系统,而是一个嵌入式多CPU系统,不但运算能力强、结构灵活、成本低廉,而且具有通用性强、可组合、易扩展、可伸缩和开放性等特点.
By analyzing the limitations of CNC system and embedded CNC system based on PC and combining with the functional requirements of open CNC system, a modular embedded reconfigurable computer numerical control (CNC) system with industrial Ethernet is designed This system improves the traditional design framework of embedded system based on ARM + DSP + FPGA and expands the module of industrial Ethernet, and builds the system hardware platform and gives the system hardware structure and system software implementation. The central digital control unit of the system is no longer a universal single-CPU system, but an embedded multi-CPU system, which not only has the advantages of high computing capability, flexible structure and low cost, but also has the advantages of versatility, combinability, scalability and scalability And open and so on.