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 Posted: Sun 3:39, 08 May 2011 Post subject: mulberry tasker Based on Chaos Theory applied rese |
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Based on Chaos Theory equipment condition monitoring application
Calculation of characteristic quantities can generally be completed within a few minutes, you can calculate such a set of sample data is complete, then calculate the vibration of the newly collected data, the specific time interval, as the calculation speed. While this has some lag, but the actual monitoring still has a certain significance. 3 Conclusion In this paper, automobile transmission gear system for example. Chaos Theory and Wavelet full use of each method in condition monitoring and fault diagnosis field advantage, the combination of mechanical system condition monitoring and fault location, the result of calculation is consistent with the experimental results prove the feasibility of the method. At the same time for the practical application of the method to handle large volumes of data and calculation of velocity lag problem, the paper puts forward the corresponding approach applied research in the future this issue can be discussed in depth. References 1 Sun. Li Guihua. Gu Yuanxian. Based on wavelet packet analysis of stress wave nondestructive testing methods. Vibration Engineering. 2002; 15 (4) :488 -4912 Shibo Jiang and so on. Mechanical fault diagnosis of a fractal theory and practice. Beijing: Metallurgical Industry Press. 20013 sheep and save the people. Zhu Zhongkui. Wavelet packet decomposition and neural networks combined transmission gear fault identification. Agricultural Machinery. 2001; (9) :78-814 Lu Kan such as translation. Chaotic dynamics. Shanghai: Shanghai Translation Publishing Company. 1990.65 Ho Lake, Xu Jian school. Chen Yonghong. Studies in Nonlinear wavelet phase space reconstruction method. Vibration Engineering,[link widoczny dla zalogowanych], 1999,12 (1) :27-326 Sun Haiyun and so on. Phase space reconstruction to determine the delay time. Shandong University of Technology. 2000; 30 (2): 1O7-1107 Teng Lina,[link widoczny dla zalogowanych], Liu Tianxiong. De-Chun Tong. Correlation dimension in condition monitoring of the application. Vibration Engineering. 2002; 15 (4) :399-4O3ApplicationofChaosDynamicsMethodtoProcessingFilteredSignalsZhaoJiwenFengZhihuaKongFanrangZhuZhongkuiWangJianpingLiuZhigang (DepartmentofPrecisionMachineryandPrecisionInstrumentation,[link widoczny dla zalogowanych], UniversityofScienceandTechnologyofChinaHefei, 230022) AbstractThispapertakesgearboxfatiguetestasanexampletointroducethechaosmethod. Itcanmakefulluseofadvan-tagesofwaveletpacketandchaosmethodinconditionmonitoringandfaultdiagnosis. Vibrationsignalsaredecomposedandreconstructedbythewaveletpacketmethod. andthecharacteristicsignalsoftargetpartsareextracted. Then. signalsareprocessedagainbymeansofthechaosmethod. Itcannotonlydistinguishnormalconditionsfromfaultyconditions. butalsolocatethefaults. Experimentsprovethecorrectnessofthecomputationresults,[link widoczny dla zalogowanych], whichmeansthatthemethodintroducedinthispaperiseffective. Keywords: signalprocessing; chaosdynamics; waveletpacket; faultorientation Zhao Jiwen male first author, doctoral student. Born in 1973,[link widoczny dla zalogowanych], Tel: (0551) 3607590; E-mail: hfgdzjw @ sohu. com
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