安徽工程大学学报

提出了基于嵌入式系统的两轴数控系统的硬件设计方案,设计了ARM(Advanced RISC Machine)+FPGA(Field Programmable Gate Array)的硬件体系结构.完成了ARM和FPGA之间通信的程序设计,为开发人员提供了一个良好的开发平台。针对两轴数控系统的细插补和复杂控制I/O的要求,完成了FPGA内部逻辑的设计,并实现了数控系统的细插补脉冲发送和编码器脉冲的反馈.

This paper presents the hardware design of two-axis CNC system based on embedded system ie.The ARM(Advanced RISC Machine) + FPGA(Field Programmable Gate Array) hardware architecture.It builds the software development environment,and accomplishes the communication program between ARM and FPGA.All of these provide excellent development platform for the application program developers.According to the requirement of two-axis CNC system fine interpolation and complex I/O control,the research accomplishes internal logic design of FPGA,realizes the fine interpolation pulse transmitting of CNC system and the feedback pulse signal of encoder.