Research of Open CNC System Based on CORBA

The author analyzes the control structure of open CNC (Computer Number Control) system and work principle of CORBA (Common Object Request Broker Architecture), and puts forward a open CNC system structure based on CORBA, then divides the system into several components according to their function. The author uses TAO (The ACE ORB, a concrete realization for CORBA) for system components as Soft Bus. The author defines interface of system components by OMG (Object Management Group) IDL (Interface Definition Language), and compiles the IDL file through IDL compiler and transforms to concrete implementation language, then develops the function of the system components. At last the author designs an experiment to verify the interchangeability of the system.