Water jet propulsion water inlet suction vortex identification method based on hydrodynamic noise chaotic characteristic analysis
Water jet propulsion water inlet suction vortex identification method based on hydrodynamic noise chaotic characteristic analysis
- Neue Suche nach: JIAO WEIXUAN
- Neue Suche nach: CHENG LI
- Neue Suche nach: XIA CHENZHI
- Neue Suche nach: BIAN WEIJIA
- Neue Suche nach: LI WEI
- Neue Suche nach: CUI YANG
- Neue Suche nach: JIAO WEIXUAN
- Neue Suche nach: CHENG LI
- Neue Suche nach: XIA CHENZHI
- Neue Suche nach: BIAN WEIJIA
- Neue Suche nach: LI WEI
- Neue Suche nach: CUI YANG
The invention provides a water jet propulsion water inlet suction vortex identification method based on hydrodynamic noise chaotic characteristic analysis. The method specifically comprises the following steps that S1, a plurality of hydrophones are installed in a water inlet runner of a water jet propulsion pump device; s2, monitoring a hydrodynamic noise signal in real time, and performing chaotic dynamic characteristic analysis on the collected singular attractor, the maximum Lyapunov index and the saturation correlation dimension; and S3, when the conditions that the singular attractor structure is suddenly changed, the maximum Lyapunov index has an increasing trend and the saturation correlation dimension has a decreasing trend are met at the same time, it can be judged that a suction vortex is generated.
本发明提供一种基于水动力噪声混沌特性分析的喷水推进进水口吸入涡识别方法，具体包括以下步骤：S1、在喷水推进泵装置进水流道内安装若干水听器；S2、实时监测水动力噪音信号，并对采集到的奇异吸引子、最大李雅普诺夫指数、饱和关联维数进行混沌动力学特性分析；S3、当同时满足奇异吸引子结构突变、最大李雅普诺夫指数有增大的趋势、饱和关联维数有减小的趋势时，可断定有吸入涡的产生。
Dokumentinformationen
Water jet propulsion water inlet suction vortex identification method based on hydrodynamic noise chaotic characteristic analysis
一种基于水动力噪声混沌特性分析的喷水推进进水口吸入涡识别方法
2022-10-18
Patent
Elektronische Ressource
Chinesisch
| IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen / G06K Erkennen von Daten , RECOGNITION OF DATA |
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