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Vibration Analysis of Ship Steam Turbine Rotating Stalling Based on FFT and Wavelet

机译:基于FFT和小波的轮机失速振动分析。

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摘要

The ultimate reason of Ship Steam Turbine rotating stalling is the reduction of flux. The rotating stalling happens and the Ship Steam Turbine vibration signal is recorded through contrived reducing the input fluxes gradually. FFT and Wavelet are used to do the vibration time sequence analyses carefully. Furthermore, the symptom of each rotating stalling phase is observed. This creates the hard foundation for machine fault diagnosis.
机译:船舶汽轮机旋转失速的最终原因是通量的减少。发生旋转失速,并通过逐渐减小输入通量来记录船舶蒸汽轮机的振动信号。 FFT和小波用于仔细进行振动时间序列分析。此外,观察到每个旋转失速阶段的症状。这为机器故障诊断奠定了坚实的基础。

著录项

  • 来源
  • 会议地点 Harbin(CN)
  • 作者单位

    LidongWei@Institute of Internal Combustion Engine, Dalian University of Technology, Dalian, 116023--DongxinXue@Institute of Internal Combustion Engine, Dalian University of Technology, Dalian, 116023--PingWang@Institute of Internal Combustion Engine, Dalian University of Technology, Dalian, 116023--XigengSong@Institute of Internal Combustion Engine, Dalian University of Technology, Dalian, 116023--;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 船舶工程;
  • 关键词

    rotating stalling; FFT; Wavelet;

    机译:旋转失速FFT小波;

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