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Signal processing and instrumentation requirements

Signal processing and instrumentation requirements

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Condition Monitoring of Rotating Electrical Machines — Recommend this title to your library

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This chapter has described the signal-processing methods now available for computer monitoring electrical machines and the wide range of instrumentation and processing techniques used to monitor machines. Modern techniques and methods have been shown and the next chapters show how the signals from these have been applied to provide CM information. The following chapters will therefore describe the major temperature, chemical, mechanical and electrical techniques available for monitoring.

Chapter Contents:

  • 5.1 Introduction
  • 5.2 Spectral analysis
  • 5.3 Higher-order spectral analysis
  • 5.4 Correlation analysis
  • 5.5 Vibration signal processing
  • 5.5.1 General
  • 5.5.2 Cepstrum analysis
  • 5.5.3 Time averaging and trend analysis
  • 5.6 Wavelet analysis
  • 5.7 Model-based information extraction
  • 5.7.1 Kalman filter
  • 5.7.2 Observer
  • 5.8 Temperature instrumentation
  • 5.9 Vibration instrumentation
  • 5.9.1 General
  • 5.9.2 Displacement transducers
  • 5.9.3 Velocity transducers
  • 5.9.4 Accelerometers
  • 5.10 Force and torque instrumentation
  • 5.11 Electromagnetic instrumentation
  • 5.12 Wear and debris instrumentation
  • 5.13 Signal conditioning
  • 5.14 Data acquisition
  • 5.15 Conclusions

Inspec keywords: condition monitoring; computerised monitoring; signal processing; electric machine analysis computing

Other keywords: mechanical technique; temperature technique; chemical technique; computer monitoring electrical machines; signal processing requirement; CM information; electrical technique; signal-processing methods; instrumentation requirement

Subjects: Digital signal processing; d.c. machines; Maintenance and reliability; Computerised instrumentation; Signal processing and detection; Other engineering applications of IT; Power engineering computing; Computerised instrumentation; a.c. machines

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