作者：WANGYu; FENGQi; WANGQi-yue舰艇动力机械设备抗冲隔振系统数学模型建模非线性
摘要：Exactly modeling of anti-shock isolation system of a marinein its design.For an isolation system with some rigid stops,the enginebody and isolators as springs and dampers,for which three nonlinearengine is an important stepcan be modeled as a rigidfactors exist.This paper isaimed at that whether there are any nonlinear factors can be neglected?In this paper, the marine en-gine with anti-shock isolation system is firstly suggested as a vibro-impact system to study.An ap-proximate discrete model described by impact Poincaré map can be derived.Analysis of example shows that O-order approximate model conceals possible chaotic phenomenon; simultaneously,limiting clearance of stops can influence bifurcation area in bifurcation diagram.
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