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Dynamic Analysis of a High-Static-Low-Dynamic-Stiffness Vibration Isolator with Time-Delayed Feedback Control
Joint Authors
Wang, Yong
Li, Shunming
Cheng, Chun
Jiang, Xingxing
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-19, 19 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-03-31
Country of Publication
Egypt
No. of Pages
19
Main Subjects
Abstract EN
This paper proposes the time-delayed cubic velocity feedback control strategy to improve the isolation performance of High-Static-Low-Dynamic-Stiffness (HSLDS) vibration isolator.
Firstly, the primary resonance of the controlled HSLDS vibration isolator is obtained by using multiple scales method.
The equivalent damping ratio and equivalent resonance frequency are defined to study the effects of feedback gain and time delay on the primary resonance.
The jump phenomenon analysis of the controlled system without and with time delay is investigated by using Sylvester resultant method and optimization method, respectively.
The stability analysis of the controlled system is also considered.
Then, the 1/3 subharmonic resonance of the controlled system is studied by using multiple scales method.
The effects of feedback gain and time delay on the 1/3 subharmonic resonance are also presented.
Finally, force transmissibility is proposed to evaluate the performance of the controlled system and compared with an equivalent linear passive vibration isolator.
The results show that the vibration amplitude of the controlled system around the resonance frequency region decreases and the isolation frequency band is larger compared to the equivalent one.
A better isolation performance in the high frequency band can be achieved compared to the passive HSLDS vibration isolator.
American Psychological Association (APA)
Wang, Yong& Li, Shunming& Cheng, Chun& Jiang, Xingxing. 2015. Dynamic Analysis of a High-Static-Low-Dynamic-Stiffness Vibration Isolator with Time-Delayed Feedback Control. Shock and Vibration،Vol. 2015, no. 2015, pp.1-19.
https://search.emarefa.net/detail/BIM-1078314
Modern Language Association (MLA)
Wang, Yong…[et al.]. Dynamic Analysis of a High-Static-Low-Dynamic-Stiffness Vibration Isolator with Time-Delayed Feedback Control. Shock and Vibration No. 2015 (2015), pp.1-19.
https://search.emarefa.net/detail/BIM-1078314
American Medical Association (AMA)
Wang, Yong& Li, Shunming& Cheng, Chun& Jiang, Xingxing. Dynamic Analysis of a High-Static-Low-Dynamic-Stiffness Vibration Isolator with Time-Delayed Feedback Control. Shock and Vibration. 2015. Vol. 2015, no. 2015, pp.1-19.
https://search.emarefa.net/detail/BIM-1078314
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1078314