Business goals are the engines that drive the methods, through their realization as scenarios... an ideal design method or process must take into account many stakeholders and many forces.

Through expert system to establish connections among database? Manufacturing database and rule database, reached parameter drive design on network platform, finally, combined with CAM module for CIMS.

Through the drive circuit design of the new hydraulic transformer, it is concluded that the transmission ratio has multi-level changes due to the combination of each sub motor working mode.