Dynamic analysis and isolation effectiveness of a low-stiffness nonlinear isolator

This paper presents a low-stiffness nonlinear vibration isolator using a pneumatic spring with an auxiliary chamber which is shortened by LSNVI. Firstly, the mechanical model of the isolator, which is constructed by two opposite stiffness mechanisms includes the load-bearing mechanism (LBM) and the stiffness-corrected mechanism (SCM), is introduced.