In HARPMS,aimed at the group-based deployment model,the key space is partitioned into some subspaces,and in key distribution and setup phases the Hash chain technology is used to improve the WSNs resilience against node capture.

This text depicts a series of PC-Based NC machines that developed by PA system,which win high public praise in application.

This paper is according to the PC-BASED system structure, using total distributed control fashion, adopting HF2510A and TSFAL-560 power module, with the ICP’s I-7000 series distribute collecting module and RS485/232 connecting circuit to carry out the data collect and the data deliver function , developing the procedure under the Configuration Software.

The essay introduces a new control method, in which the process control of making the main spindle tool return to tool changing point can be fulfilled by using the integration of user program and Part program in the machining of CX600 turning-milling center.