Abstract
Vibration isolation technology is one of the main methods for controlling the vibration and noise of underwater vehicles. This paper presents a vibration analysis and vibration isolator component design method of the power system in autonomous underwater gliders (AUGs). The dynamic models of the single-layer and double-layers vibration isolation systems of the power system of the AUG are established to analyze the force transfer rate in the system. A reasonable stiffness range of the vibration isolation system is obtained according to the results of the dynamic model. To validate the vibration isolation performances of the presented vibration isolation systems, the finite element (FE) models of single-layer and double-layers vibration isolation systems are established. The vibration responses and vibration isolation performances of the system with and without the rubber isolation systems are compared. Moreover, the effect of stiffness on the vibration isolation performances of the system is discussed. The presented results can provide some guidance for the design method of the vibration isolation system in the power system of AUGs.
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