Because ring-stiffened cylindrical shell structures have many merits, they are widely used in many areas. However, as the strength of steel increase continuousl
The virtual prototype technology is applied to the design of the hydraulic impingement shovel, which is to increase the reliability of the design. The work prin
This paper informally introduces colored object-oriented Petri Nets(COOPN) with the application of the AUV system.According to the characteristic of the AUV systems running environment,the object-orie