As far as the issue of vibration isolating of ship, this paper studies the feedback control theory of hydraulic servo isolation mounting and sets up the theory model of two_stage isolation mounting.

Dynamic parameter of power unit mounting system is an important basis for re-searching dynamic characteristic and vibration isolation design of the mounting system.

The most effective way for powerplant-mounting system to obtain excellent vibration isolation performance is to uncouple the multi-degree-of-freedom vibrations as much as possible.