Research and application of abnormal noise source positioning experiment based on double cylindrical shell
Aiming at the problem of frequent abnormal outboard noise in ships, an abnormal noise source location method is proposed, and a location model checked by the double cylindrical shell experiment is built. The model calculates the coordinates through the improved hyperbolic positioning method on the b...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Editorial Office of Chinese Journal of Ship Research
2017-08-01
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| Series: | Zhongguo Jianchuan Yanjiu |
| Subjects: | |
| Online Access: | http://www.ship-research.com/EN/Y2017/V12/I4/140 |
| _version_ | 1818570936373215232 |
|---|---|
| author | LI Ruibiao XU Rongwu CUI Lilin YU Wenjing |
| author_facet | LI Ruibiao XU Rongwu CUI Lilin YU Wenjing |
| author_sort | LI Ruibiao |
| collection | DOAJ |
| description | Aiming at the problem of frequent abnormal outboard noise in ships, an abnormal noise source location method is proposed, and a location model checked by the double cylindrical shell experiment is built. The model calculates the coordinates through the improved hyperbolic positioning method on the basis of the traditional hyperbolic positioning method, with the time-delay estimation by the generalized cross-correlation method as the input. In the process of the experiment, the outboard abnormal noise source is simulated by the percussion, comparing the positioning accuracy of the two methods and analyzing the influence of time-delay estimation on positioning accuracy. The results show that the hyperbolic positioning method based on double cylindrical shell can accurately locate the coordinates of abnormal noise sources, and is feasible for the abnormal outboard noise source positioning of ships. In addition, the method can provide theoretical guidance for the location of abnormal outboard noise sources. |
| first_indexed | 2024-12-14T13:48:42Z |
| format | Article |
| id | doaj.art-23f452b62ba34cda906d53078cdf1e91 |
| institution | Directory Open Access Journal |
| issn | 1673-3185 1673-3185 |
| language | English |
| last_indexed | 2024-12-14T13:48:42Z |
| publishDate | 2017-08-01 |
| publisher | Editorial Office of Chinese Journal of Ship Research |
| record_format | Article |
| series | Zhongguo Jianchuan Yanjiu |
| spelling | doaj.art-23f452b62ba34cda906d53078cdf1e912022-12-21T22:59:12ZengEditorial Office of Chinese Journal of Ship ResearchZhongguo Jianchuan Yanjiu1673-31851673-31852017-08-0112414014610.3969/j.issn.1673-3185.2017.04.022201704022Research and application of abnormal noise source positioning experiment based on double cylindrical shellLI Ruibiao0XU Rongwu1CUI Lilin2YU Wenjing3National Key Laboratory on Ship Vibration and Noise, Naval University of Engineering, Wuhan 430033, ChinaNational Key Laboratory on Ship Vibration and Noise, Naval University of Engineering, Wuhan 430033, ChinaNational Key Laboratory on Ship Vibration and Noise, Naval University of Engineering, Wuhan 430033, ChinaNational Key Laboratory on Ship Vibration and Noise, Naval University of Engineering, Wuhan 430033, ChinaAiming at the problem of frequent abnormal outboard noise in ships, an abnormal noise source location method is proposed, and a location model checked by the double cylindrical shell experiment is built. The model calculates the coordinates through the improved hyperbolic positioning method on the basis of the traditional hyperbolic positioning method, with the time-delay estimation by the generalized cross-correlation method as the input. In the process of the experiment, the outboard abnormal noise source is simulated by the percussion, comparing the positioning accuracy of the two methods and analyzing the influence of time-delay estimation on positioning accuracy. The results show that the hyperbolic positioning method based on double cylindrical shell can accurately locate the coordinates of abnormal noise sources, and is feasible for the abnormal outboard noise source positioning of ships. In addition, the method can provide theoretical guidance for the location of abnormal outboard noise sources.http://www.ship-research.com/EN/Y2017/V12/I4/140shipsabnormal noisehyperbolic positioning methodtime-delay estimation |
| spellingShingle | LI Ruibiao XU Rongwu CUI Lilin YU Wenjing Research and application of abnormal noise source positioning experiment based on double cylindrical shell Zhongguo Jianchuan Yanjiu ships abnormal noise hyperbolic positioning method time-delay estimation |
| title | Research and application of abnormal noise source positioning experiment based on double cylindrical shell |
| title_full | Research and application of abnormal noise source positioning experiment based on double cylindrical shell |
| title_fullStr | Research and application of abnormal noise source positioning experiment based on double cylindrical shell |
| title_full_unstemmed | Research and application of abnormal noise source positioning experiment based on double cylindrical shell |
| title_short | Research and application of abnormal noise source positioning experiment based on double cylindrical shell |
| title_sort | research and application of abnormal noise source positioning experiment based on double cylindrical shell |
| topic | ships abnormal noise hyperbolic positioning method time-delay estimation |
| url | http://www.ship-research.com/EN/Y2017/V12/I4/140 |
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