Dynamic Analysis of Nonlinear Vibration in Piston Compressors
The nonlinear perturbation of the periodic vibration system of reciprocating piston compressors seriously affects the compressor performance.In this paper,the discrete mapping method is used for the construction of the mapping structure of periodic motion.Furthermore,the two-degree-of-freedom system with nonlinear restoring force is employed for the approximation of the periodic oscillation of system,the stability of nonlinear system is analyzed,and the eigenvalue conditions for the stability and bifurcation characteristics of the periodic orbit are given.
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