A Two-DOF Active-Passive Hybrid Vibration Isolator Based on Multi-Line Spectrum Adaptive Control
In order to effectively control the low-frequency vibration of ship machinery, based on the improved multi-line spectrum adaptive control algorithm, a two-degree-of-freedom (two-DOF) active-passive hybrid vibration isolator composed of an electromagnetic actuator, rubber spring, and the hydraulic de...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-09-01
|
| Series: | Machines |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2075-1702/10/10/825 |
| _version_ | 1797407006818041856 |
|---|---|
| author | Qingchao Yang Zhaozhao Ma Ruiping Zhou |
| author_facet | Qingchao Yang Zhaozhao Ma Ruiping Zhou |
| author_sort | Qingchao Yang |
| collection | DOAJ |
| description | In order to effectively control the low-frequency vibration of ship machinery, based on the improved multi-line spectrum adaptive control algorithm, a two-degree-of-freedom (two-DOF) active-passive hybrid vibration isolator composed of an electromagnetic actuator, rubber spring, and the hydraulic device is proposed. The dynamic model of the two-DOF vibration isolation system is established and the main control force demand of the vibration isolation system at different damping forces is analyzed. By introducing the improved wavelet packet decomposition algorithm with the Hartley block least mean square algorithm to the filter-x least mean square (FxLMS) algorithm, an improved wavelet packet Hartley block filter-x least mean square (IWPHB-FxLMS) algorithm is established. The experimental results show that the IWPHB-FxLMS algorithm has better control performance. Compared with the traditional FxLMS algorithm, the IWPHB-FxLMS control algorithm improves the convergence speed by 91.7% and the line spectrum power spectrum attenuation by 58.1%. The active-passive hybrid vibration isolator is based on multi-line spectrum adaptive control and can achieve good control effects under the excitation of multi-frequency line spectrum and constant frequency line spectrum. |
| first_indexed | 2024-03-09T03:35:02Z |
| format | Article |
| id | doaj.art-e7064c23a335459694965e169c3eff39 |
| institution | Directory Open Access Journal |
| issn | 2075-1702 |
| language | English |
| last_indexed | 2024-03-09T03:35:02Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Machines |
| spelling | doaj.art-e7064c23a335459694965e169c3eff392023-12-03T14:50:36ZengMDPI AGMachines2075-17022022-09-01101082510.3390/machines10100825A Two-DOF Active-Passive Hybrid Vibration Isolator Based on Multi-Line Spectrum Adaptive ControlQingchao Yang0Zhaozhao Ma1Ruiping Zhou2College of Naval Architecture and Ocean Engineering, Naval University of Engineering, Wuhan 430033, ChinaSchool of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, ChinaSchool of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, ChinaIn order to effectively control the low-frequency vibration of ship machinery, based on the improved multi-line spectrum adaptive control algorithm, a two-degree-of-freedom (two-DOF) active-passive hybrid vibration isolator composed of an electromagnetic actuator, rubber spring, and the hydraulic device is proposed. The dynamic model of the two-DOF vibration isolation system is established and the main control force demand of the vibration isolation system at different damping forces is analyzed. By introducing the improved wavelet packet decomposition algorithm with the Hartley block least mean square algorithm to the filter-x least mean square (FxLMS) algorithm, an improved wavelet packet Hartley block filter-x least mean square (IWPHB-FxLMS) algorithm is established. The experimental results show that the IWPHB-FxLMS algorithm has better control performance. Compared with the traditional FxLMS algorithm, the IWPHB-FxLMS control algorithm improves the convergence speed by 91.7% and the line spectrum power spectrum attenuation by 58.1%. The active-passive hybrid vibration isolator is based on multi-line spectrum adaptive control and can achieve good control effects under the excitation of multi-frequency line spectrum and constant frequency line spectrum.https://www.mdpi.com/2075-1702/10/10/825low-frequency vibrationactive-passive hybrid vibration isolatoradaptive controlIWPHB-FxLMS algorithm |
| spellingShingle | Qingchao Yang Zhaozhao Ma Ruiping Zhou A Two-DOF Active-Passive Hybrid Vibration Isolator Based on Multi-Line Spectrum Adaptive Control Machines low-frequency vibration active-passive hybrid vibration isolator adaptive control IWPHB-FxLMS algorithm |
| title | A Two-DOF Active-Passive Hybrid Vibration Isolator Based on Multi-Line Spectrum Adaptive Control |
| title_full | A Two-DOF Active-Passive Hybrid Vibration Isolator Based on Multi-Line Spectrum Adaptive Control |
| title_fullStr | A Two-DOF Active-Passive Hybrid Vibration Isolator Based on Multi-Line Spectrum Adaptive Control |
| title_full_unstemmed | A Two-DOF Active-Passive Hybrid Vibration Isolator Based on Multi-Line Spectrum Adaptive Control |
| title_short | A Two-DOF Active-Passive Hybrid Vibration Isolator Based on Multi-Line Spectrum Adaptive Control |
| title_sort | two dof active passive hybrid vibration isolator based on multi line spectrum adaptive control |
| topic | low-frequency vibration active-passive hybrid vibration isolator adaptive control IWPHB-FxLMS algorithm |
| url | https://www.mdpi.com/2075-1702/10/10/825 |
| work_keys_str_mv | AT qingchaoyang atwodofactivepassivehybridvibrationisolatorbasedonmultilinespectrumadaptivecontrol AT zhaozhaoma atwodofactivepassivehybridvibrationisolatorbasedonmultilinespectrumadaptivecontrol AT ruipingzhou atwodofactivepassivehybridvibrationisolatorbasedonmultilinespectrumadaptivecontrol AT qingchaoyang twodofactivepassivehybridvibrationisolatorbasedonmultilinespectrumadaptivecontrol AT zhaozhaoma twodofactivepassivehybridvibrationisolatorbasedonmultilinespectrumadaptivecontrol AT ruipingzhou twodofactivepassivehybridvibrationisolatorbasedonmultilinespectrumadaptivecontrol |