Research on Architecture and Key Issues of PC–Based 3D Laser Machining CNC System

CHI Guanxin; WU Xiang; CUI Lijuan

doi:10.16080/j.issn1671-833x.2020.23/24.040

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Research on Architecture and Key Issues of PC–Based 3D Laser Machining CNC System

更新时间：2025-10-30

- Research on Architecture and Key Issues of PC–Based 3D Laser Machining CNC System
- Aeronautical Manufacturing Technology Vol. 63, Issue 23/24, (2020)
- 作者机构：
  
  哈尔滨工业大学机电工程学院,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2020.23/24.040
  CLC：
- Published：2020
- 稿件说明：
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迟关心，吴湘，崔丽娟. 基于PC的三维激光加工数控系统构架与关键问题研究[J]. 航空制造技术, 2020, 63(23/24): 40-45. CHI Guanxin，WU Xiang，CUI Lijuan. Research on Architecture and Key Issues of PC–Based 3D Laser Machining CNC System. Aeronautical Manufacturing Technology, 2020, 63(23/24): 40-45.

CHI Guanxin, WU Xiang, CUI Lijuan. Research on Architecture and Key Issues of PC–Based 3D Laser Machining CNC System[J]. Aeronautical Manufacturing Technology, 2020, 63(23/24).
迟关心，吴湘，崔丽娟. 基于PC的三维激光加工数控系统构架与关键问题研究[J]. 航空制造技术, 2020, 63(23/24): 40-45. CHI Guanxin，WU Xiang，CUI Lijuan. Research on Architecture and Key Issues of PC–Based 3D Laser Machining CNC System. Aeronautical Manufacturing Technology, 2020, 63(23/24): 40-45. DOI： 10.16080/j.issn1671-833x.2020.23/24.040.

CHI Guanxin, WU Xiang, CUI Lijuan. Research on Architecture and Key Issues of PC–Based 3D Laser Machining CNC System[J]. Aeronautical Manufacturing Technology, 2020, 63(23/24). DOI： 10.16080/j.issn1671-833x.2020.23/24.040.

摘要

提出了以微步距硬件插补为核心的三维激光切割数控系统构架，分析了软件任务并构建了控制功能的实时调度模型，实现了 Windows 平台的实时性及多任务协调控制。开发了基于 DDA 精插补的微步距硬件插补模块，满足运动控制的速度与精度要求；构建了内核驱动模块实现中断响应与伺服控制；结合空间圆弧转接理论与前推 – 回溯算法开发了轨迹速度预测与平滑模块；提出了硬件分频调节法实现进给倍率的改变。该三维激光切割数控系统能够实现高速高精度运动控制，并且软硬件结合的开放式结构提高了系统的实时性以及功能的可扩展性。

Abstract

A three-dimensional laser cutting CNC system architecture with micro-step hardware interpolation as the core is proposed. The software tasks are analyzed and a real-time scheduling model of control functions is constructed. The real-time and multi-task coordinated control of the Windows platform is realized. Developed a micro-step hardware interpolation module based on DDA precision interpolation to meet the speed and accuracy requirements of motion control; built a core drive module to achieve interrupt response and servo control; combined space arc transfer theory and forwardbacktracking algorithm to develop the trajectory speed prediction and smoothing module; proposed the hardware frequency division adjustment method to realize the change of the feed rate. The 3D laser cutting numerical control system can realize high-speed and high-precision motion control

and the open structure of the combination of software and hardware improves the real-time performance of the system and the scalability of functions.

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