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research-article

Tests and modeling of a new vibration isolation and suppression device

[+] Author and Article Information
Zhao-Dong Xu

Key Laboratory of C&PC Structures of the Ministry of Education, Southeast University, Nanjing 210096, China
zhdxu@163.com

Xu Yeshou

Key Laboratory of C&PC Structures of the Ministry of Education, Southeast University, Nanjing 210096, China
xuyeshou@163.com

Qianqiu Yang

ARTS Group Co., Ltd., Suzhou 215000, China
qianqiuyoung@163.com

Chao Xu

Key Laboratory of C&PC Structures of the Ministry of Education, Southeast University, Nanjing 210096, China
xuchaolove11@126.com

Fei-Hong Xu

Key Laboratory of C&PC Structures of the Ministry of Education, Southeast University, Nanjing 210096, China
xufeihong666@163.com

Cheng Wang

Key Laboratory of C&PC Structures of the Ministry of Education, Southeast University, Nanjing 210096, China
seuwangc@163.com

1Corresponding author.

ASME doi:10.1115/1.4036948 History: Received January 07, 2017; Revised April 28, 2017

Abstract

Vibration is an environmental factor that has hazardous effects on the instruments precision, structure stability and service life in engineering fields. Many kinds of energy dissipation devices have been invented to reduce dynamic responses of structures and instruments due to environmental excitations. In this paper, a new kind of vibration isolation and suppression device with high damping performance, fine deformation recoverability and bearing capacity for platform structures is developed, which is designed by considering the combination of energy dissipation mechanisms of viscoelastic material, viscous fluid and air spring. A series of dynamic properties tests on the device are carried out under different excitation frequencies and displacement amplitudes, and a mathematical model which can consider the coupling effects of energy dissipation of viscoelastic material, viscous liquid and air spring is proposed. The research results indicate that the vibration isolation and suppression device has high damping capacity, and the proposed mathematical model can well describe the mechanical properties which are affected by excitation frequency and displacement amplitude.

Copyright (c) 2017 by ASME
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