Research and Analysis of Quasi-Zero-Stiffness Isolator with Geometric Nonlinear Damping
This paper presents a novel quasi-zero-stiffness (QZS) isolator designed by combining a tension spring with a vertical linear spring. In order to improve the performance of low-frequency vibration isolation, geometric nonlinear damping is proposed and applied to a quasi-zero-stiffness (QZS) vibratio...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2017-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2017/6719054 |
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| _version_ | 1849397951275728896 |
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| author | Qingguo Meng Xuefeng Yang Wei Li En Lu Lianchao Sheng |
| author_facet | Qingguo Meng Xuefeng Yang Wei Li En Lu Lianchao Sheng |
| author_sort | Qingguo Meng |
| collection | DOAJ |
| description | This paper presents a novel quasi-zero-stiffness (QZS) isolator designed by combining a tension spring with a vertical linear spring. In order to improve the performance of low-frequency vibration isolation, geometric nonlinear damping is proposed and applied to a quasi-zero-stiffness (QZS) vibration isolator. Through the study of static characteristics first, the relationship between force displacement and stiffness displacement of the vibration isolation mechanism is established; it is concluded that the parameters of the mechanism have the characteristics of quasi-zero stiffness at the equilibrium position. The solutions of the QZS system are obtained based on the harmonic balance method (HBM). Then, the force transmissibility of the QZS vibration isolator is analyzed. And the results indicate that increasing the nonlinear damping can effectively suppress the transmissibility compared with the nonlinear damping system. Finally, this system is innovative for low-frequency vibration isolation of rehabilitation robots and other applications. |
| format | Article |
| id | doaj-art-a5c91c1d1c274d1e906fb1601830a7ed |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-a5c91c1d1c274d1e906fb1601830a7ed2025-08-20T03:38:48ZengWileyShock and Vibration1070-96221875-92032017-01-01201710.1155/2017/67190546719054Research and Analysis of Quasi-Zero-Stiffness Isolator with Geometric Nonlinear DampingQingguo Meng0Xuefeng Yang1Wei Li2En Lu3Lianchao Sheng4School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, ChinaSchool of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, ChinaSchool of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, ChinaSchool of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, ChinaSchool of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, ChinaThis paper presents a novel quasi-zero-stiffness (QZS) isolator designed by combining a tension spring with a vertical linear spring. In order to improve the performance of low-frequency vibration isolation, geometric nonlinear damping is proposed and applied to a quasi-zero-stiffness (QZS) vibration isolator. Through the study of static characteristics first, the relationship between force displacement and stiffness displacement of the vibration isolation mechanism is established; it is concluded that the parameters of the mechanism have the characteristics of quasi-zero stiffness at the equilibrium position. The solutions of the QZS system are obtained based on the harmonic balance method (HBM). Then, the force transmissibility of the QZS vibration isolator is analyzed. And the results indicate that increasing the nonlinear damping can effectively suppress the transmissibility compared with the nonlinear damping system. Finally, this system is innovative for low-frequency vibration isolation of rehabilitation robots and other applications.http://dx.doi.org/10.1155/2017/6719054 |
| spellingShingle | Qingguo Meng Xuefeng Yang Wei Li En Lu Lianchao Sheng Research and Analysis of Quasi-Zero-Stiffness Isolator with Geometric Nonlinear Damping Shock and Vibration |
| title | Research and Analysis of Quasi-Zero-Stiffness Isolator with Geometric Nonlinear Damping |
| title_full | Research and Analysis of Quasi-Zero-Stiffness Isolator with Geometric Nonlinear Damping |
| title_fullStr | Research and Analysis of Quasi-Zero-Stiffness Isolator with Geometric Nonlinear Damping |
| title_full_unstemmed | Research and Analysis of Quasi-Zero-Stiffness Isolator with Geometric Nonlinear Damping |
| title_short | Research and Analysis of Quasi-Zero-Stiffness Isolator with Geometric Nonlinear Damping |
| title_sort | research and analysis of quasi zero stiffness isolator with geometric nonlinear damping |
| url | http://dx.doi.org/10.1155/2017/6719054 |
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