一种基于EtherCAT总线技术的快刀伺服控制系统和控制方法
By combining EtherCAT bus technology and Xenomai real-time kernel, high-frequency motion control of the fast tool servo system was realized, solving the problem of low machining efficiency of fast tool servo and improving the machining efficiency of microstructures.
CN117311272BActive Publication Date: 2026-07-17HARBIN INST OF TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HARBIN INST OF TECH
- Filing Date
- 2023-10-09
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The current fast tool servo machining frequency is limited, resulting in low machining efficiency and failing to fully utilize its high-frequency motion characteristics.
Method used
A fast tool servo control system is built using EtherCAT bus technology. The EtherCAT slave module collects the machine tool position signal in real time, and the data is processed on a PC in conjunction with the Xenomai real-time kernel to achieve high-frequency motion control.
Benefits of technology
It realizes high-frequency motion control of the fast tool servo system, improves the processing efficiency of microstructures, has good scalability and real-time performance, and the control frequency can reach thousands of hertz.
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Abstract
一种基于EtherCAT总线技术的快刀伺服控制系统和控制方法，属于自动化控制领域，具体方案如下：超精密机床运行前，将G代码文件导入PC中，运行PC中的快刀控制程序将文件中的数据读取并保存到实时域中的结构体数组。机床运行时，其X轴和C轴位置信号被EtherCAT从站模块Ⅱ采集并通过EtherCAT发送至PC中，快刀控制程序将得到的位置信息与结构体数组中的数据比对，找到快刀的位移数据，程序将该数据转化为电压值后传递至EtherCAT从站模块Ⅰ中，随后EtherCAT从站模块Ⅰ输出对应电压，驱动快刀高频位移。本发明提升了快刀的运动控制频率，解决了超精密机床数控系统无法高频控制快刀进行加工的问题。
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