3Zhang X,Nassehi A, Newman S T. Process comprehen- sion for interoperable CNC manufacturing[-J-. Computer Sci- ence and Automation Engineering, 2011 (4) : 225-229.
4Andrew M,Luscombe D J T, William T,et al. A new type of machine control system to replace traditional CNC [J]. The International Journal of Advanced Manufacturing Technology, 1994,9 (6): 369-374.