The software architecture of open CNC systems are studied and the software developing method applying COM technology is proposed.
研究了开放式CNC系统的软件体系结构与开发方法，提出了应用COM组件技术构造和开发CNC系统软件的方法。
The model solves the hybrid task scheduling problem, reduces the coupling between the task modules, covers all of the scheduling objects, and is more suitable for open CNC systems.
该模型解决了数控系统中混合任务调度的问题，降低了任务模块间的耦合性，能够覆盖所有的调度对象，更适合开放式数控系统的设计要求。
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