Study of Nonlinear Dynamics of Rotor-Bearing System Coupled with a Floating Raft Isolation Device-Reference-Cited by-同舟云学术

Study of Nonlinear Dynamics of Rotor-Bearing System Coupled with a Floating Raft Isolation Device

Published:2014-07 Issue: Volume:598 Page:202-205
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Zhao Wen¹,Li Ming¹

Affiliation:

1. Xi’an University of Science and Technology

Abstract

The mathematic model of rotor-bearing system coupled with floating raft isolation device is developed and its nonlinear dynamic characteristics are mainly discussed in this paper. First, on the basic assumption theory of short bearing, the nonlinear dynamic motions of the system with 4 DOF is deduced after considering the vertical and horizontal deformation and the nonlinear vibrating behaviors are analyzed such as the steady state response and its spectrum, orbit and its Poincaré map. The results show that the responses at a low speed appear single periodic motion, with increasing the speed it indicates the doubling and quasi periodic motion, etc.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.598.202.pdf

Reference9 articles.

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4. Chen Yang. Active vibration control of Marine Floating raft vibration isolation system. Da Lian: the Dalian university of maritime (2012) (In Chinese).

5. Zhiqiang Liu, Wei Xu and Changgeng Shuai: A rigid-body motion model of large raft isolation system. The technology and Science of Marine. 34 (2012), p.64 (In Chinese).

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