The concept of open system architecture, the reason and the benefits of the avionics system adopting open system architecture are introduced in this paper.

This paper analyses the requirements of device dynamic management in open system architecture,designs a software architecture which meets the real-time requirement and plug and play function based on the communication middleware CORBA,and then gives the function architecture,system structure,and the ways to realize key technologies.

Based on the Huazhong-1 CNC System with Open System Architecture,this dissertation designs and implements the CNC system for the heavy equipment(lather),which includes its architecture, control software of machining process and hardware.

In this paper,the development of a four axes coordinated NC system for automatic spring coiling machine is introduced, the system is based on Windows platform with open architecture.

This article expatiates on the characteristics of the open architecture NC system, pointing out that the open architecture NC system is the tendency of NC development.

Thorough exploration on the open architecture of Auto CAD and by using the developing tools provided by ACAD, a versatile and practical computer aided design system was developed for plan and design of pier on sheet pile.